-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-- pgRouting extension upgrade from 2.3.0 to 2.6.0
-- generated by tools/build-extension-update-files
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



\echo Use "ALTER extension pgrouting update to '2.6.0'" to load this file. \quit


-------------------------------------
-- remove functions no longer in the 2.6.0 extension
-------------------------------------




ALTER EXTENSION pgrouting DROP FUNCTION _pgr_astar(text,bigint,bigint,boolean,integer,double precision,double precision,boolean);
DROP FUNCTION IF EXISTS _pgr_astar(text,bigint,bigint,boolean,integer,double precision,double precision,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_dijkstra(text,anyarray,anyarray,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_dijkstra(text,anyarray,anyarray,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_dijkstra(text,anyarray,bigint,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_dijkstra(text,anyarray,bigint,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_dijkstra(text,bigint,anyarray,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_dijkstra(text,bigint,anyarray,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_dijkstra(text,bigint,bigint,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_dijkstra(text,bigint,bigint,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_drivingdistance(text,anyarray,double precision,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_drivingdistance(text,anyarray,double precision,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_drivingdistance(text,bigint,double precision,boolean);
DROP FUNCTION IF EXISTS _pgr_drivingdistance(text,bigint,double precision,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_maxflow(text,anyarray,anyarray,text);
DROP FUNCTION IF EXISTS _pgr_maxflow(text,anyarray,anyarray,text);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_maxflow(text,anyarray,bigint,text);
DROP FUNCTION IF EXISTS _pgr_maxflow(text,anyarray,bigint,text);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_maxflow(text,bigint,anyarray,text);
DROP FUNCTION IF EXISTS _pgr_maxflow(text,bigint,anyarray,text);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_maxflow(text,bigint,bigint,text);
DROP FUNCTION IF EXISTS _pgr_maxflow(text,bigint,bigint,text);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_pickdeliver(text,integer,double precision,double precision,integer);
DROP FUNCTION IF EXISTS _pgr_pickdeliver(text,integer,double precision,double precision,integer);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_trsp(text,integer,integer,boolean,boolean,text);
DROP FUNCTION IF EXISTS _pgr_trsp(text,integer,integer,boolean,boolean,text);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_withpoints(text,text,anyarray,anyarray,boolean,character,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_withpoints(text,text,anyarray,anyarray,boolean,character,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_withpoints(text,text,anyarray,bigint,boolean,character,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_withpoints(text,text,anyarray,bigint,boolean,character,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_withpoints(text,text,bigint,anyarray,boolean,character,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_withpoints(text,text,bigint,anyarray,boolean,character,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION _pgr_withpoints(text,text,bigint,bigint,boolean,character,boolean,boolean);
DROP FUNCTION IF EXISTS _pgr_withpoints(text,text,bigint,bigint,boolean,character,boolean,boolean);


ALTER EXTENSION pgrouting DROP FUNCTION pgr_fakecontraction(text,integer[]);
DROP FUNCTION IF EXISTS pgr_fakecontraction(text,integer[]);


------------------------------------------
--    New functions:  2.0
-- Signature change:  2.4
--       Deprecated:  2.4
------------------------------------------
-- pgr_bddijkstra
-- 2.3.0: {      sql, source_vid, target_vid, directed, has_reverse_cost}   
-- 2.6.0: {edges_sql,  start_vid,    end_vid, directed, has_rcost}

UPDATE pg_proc SET
proargnames = '{"edges_sql","start_vid","end_vid","directed","has_rcost"}'
WHERE proname = 'pgr_bddijkstra'
    AND proargnames = '{"sql","source_vid","target_vid","directed","has_reverse_cost"}';


------------------------------------------
--       New functions:  2.1
--    Signature change:  2.4
------------------------------------------
-- 2.3.0: {edges_sql,start_v,  distance,directed,seq,node,edge,cost,agg_cost}
-- 2.6.0: {edges_sql,start_vid,distance,directed,seq,node,edge,cost,agg_cost}

UPDATE pg_proc SET
proargnames = '{"edges_sql","start_vid","distance","directed","seq","node","edge","cost","agg_cost"}'
WHERE proname = 'pgr_drivingdistance'
    AND proargnames = '{"edges_sql","start_v","distance","directed","seq","node","edge","cost","agg_cost"}';


------------------------------------------
--       New functions:  2.1
--    Signature change:  2.4
------------------------------------------
-- 2.3.0: {sql,      start_v,   distance,directed,equicost,seq,from_v,node,edge,cost,agg_cost}
-- 2.6.0: {edges_sql,start_vids,distance,directed,equicost,seq,from_v,node,edge,cost,agg_cost}

UPDATE pg_proc SET
proargnames = '{"edges_sql","start_vids","distance","directed","equicost","seq","from_v","node","edge","cost","agg_cost"}'
WHERE proname = 'pgr_drivingdistance'
    AND proargnames = '{"sql","start_v","distance","directed","equicost","seq","from_v","node","edge","cost","agg_cost"}';


------------------------------------------
--       New functions:  2.3
--    Signature change:  2.5
-- Inner query changed:  2.5
------------------------------------------

ALTER EXTENSION pgrouting DROP FUNCTION pgr_edgedisjointpaths(text,bigint,bigint,boolean);
DROP FUNCTION IF EXISTS pgr_edgedisjointpaths(text,bigint,bigint,boolean);



ALTER EXTENSION pgrouting DROP FUNCTION pgr_edgedisjointpaths(text,bigint,anyarray,boolean);
DROP FUNCTION IF EXISTS pgr_edgedisjointpaths(text,bigint,anyarray,boolean);



ALTER EXTENSION pgrouting DROP FUNCTION pgr_edgedisjointpaths(text,anyarray,bigint,boolean);
DROP FUNCTION IF EXISTS pgr_edgedisjointpaths(text,anyarray,bigint,boolean);



ALTER EXTENSION pgrouting DROP FUNCTION pgr_edgedisjointpaths(text,anyarray,anyarray,boolean);
DROP FUNCTION IF EXISTS pgr_edgedisjointpaths(text,anyarray,anyarray,boolean);


ALTER EXTENSION pgrouting DROP TYPE contraction_vertex;
DROP TYPE contraction_vertex;







--- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
---
--- pgRouting provides geospatial routing functionality.
--- http://pgrouting.org
--- copyright
--- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
---
---
--- This is free software; you can redistribute and/or modify it:
--- the terms of the GNU General Public Licence. See the COPYING file.
--- the terms of the MIT-X Licence. See the COPYING file.
---
--- The following functions have MIT-X licence:
---     pgr_version()
---     pgr_tsp(matrix float8[][], startpt integer, endpt integer DEFAULT -1, OUT seq integer, OUT id integer)
---     _pgr_makeDistanceMatrix(sqlin text, OUT dmatrix double precision[], OUT ids integer[])
---     pgr_analyzegraph(edge_table text,tolerance double precision,the_geom text default 'the_geom',id text default 'id',source text default 'source',target text default 'target',rows_where text default 'true')
---
---
--- All other functions are under GNU General Public Licence.
---
--- -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
--
-- WARNING: Any change in this file must be evaluated for compatibility.
--          Changes cleanly handled by postgis_upgrade.sql are fine,
--          other changes will require a bump in Major version.
--          Currently only function replaceble by CREATE OR REPLACE
--          are cleanly handled.
--
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -




--  pgRouting 2.0 types











CREATE OR REPLACE FUNCTION pgr_version()
RETURNS TABLE(
        "version" varchar,
        tag varchar,
        hash varchar,
        branch varchar,
        boost varchar
    ) AS
$BODY$
    SELECT '2.6.0'::varchar AS version,
        'v2.6.0'::varchar AS tag,
        'a6226c4'::varchar AS hash,
        'release/2.6'::varchar AS branch,
        '1.59.0'::varchar AS boost;
$BODY$
LANGUAGE sql IMMUTABLE;







CREATE OR REPLACE FUNCTION _pgr_getTableName(IN tab text, IN reportErrs int default 0, IN fnName text default '_pgr_getTableName', OUT sname text,OUT tname text)
  RETURNS RECORD AS
$$
DECLARE
        naming record;
        i integer;
        query text;
        sn text; -- schema name
        tn text; -- table name
        ttype text; --table type for future use
        err boolean;
        debuglevel text;
        var_types text[] = ARRAY['BASE TABLE', 'VIEW'];
BEGIN

    execute 'show client_min_messages' into debuglevel;


    perform _pgr_msg( 0, fnName, 'Checking table ' || tab || ' exists');
    --RAISE DEBUG 'Checking % exists',tab;

    i := strpos(tab,'.');
    IF (i <> 0) THEN
        sn := split_part(tab, '.',1);
        tn := split_part(tab, '.',2);
    ELSE
        sn := current_schema;
        tn := tab;
    END IF;


   SELECT schema_name INTO sname
   FROM information_schema.schemata WHERE schema_name = sn;

    IF sname IS NOT NULL THEN -- found schema (as is)
       SELECT table_name, table_type INTO tname, ttype
       FROM information_schema.tables
       WHERE
                table_type = ANY(var_types) and
                table_schema = sname and
                table_name = tn ;
        IF tname is NULL THEN
            SELECT table_name, table_type INTO tname, ttype
            FROM information_schema.tables
            WHERE
                table_type  = ANY(var_types) and
                table_schema = sname and
                table_name = lower(tn) ORDER BY table_name;
        END IF;
    END IF;
    IF sname is NULL or tname is NULL THEN --schema not found or table not found
        SELECT schema_name INTO sname
        FROM information_schema.schemata
        WHERE schema_name = lower(sn) ;

        IF sname IS NOT NULL THEN -- found schema (with lower caps)
            SELECT table_name, table_type INTO tname, ttype
            FROM information_schema.tables
            WHERE
                table_type  =  ANY(var_types) and
                table_schema = sname and
                table_name= tn ;

           IF tname IS NULL THEN
                SELECT table_name, table_type INTO tname, ttype
                FROM information_schema.tables
                WHERE
                    table_type  =  ANY(var_types) and
                    table_schema = sname and
                    table_name= lower(tn) ;
           END IF;
        END IF;
    END IF;
   err = (sname IS NULL OR tname IS NULL);
   perform _pgr_onError(err, reportErrs, fnName, 'Table ' || tab ||' not found',' Check your table name', 'Table '|| tab || ' found');

END;
$$
LANGUAGE plpgsql VOLATILE STRICT;






CREATE OR REPLACE FUNCTION _pgr_getColumnName(sname text, tname text, col text, IN reportErrs int default 1, IN fnName text default '_pgr_getColumnName')
RETURNS text AS
$BODY$
DECLARE
    cname text;
    naming record;
    err boolean;
BEGIN

    execute 'SELECT column_name FROM information_schema.columns
          WHERE table_name='||quote_literal(tname)||' and table_schema='||quote_literal(sname)||' and column_name='||quote_literal(col) into cname;

    IF cname is null  THEN
    execute 'SELECT column_name FROM information_schema.columns
          WHERE table_name='||quote_literal(tname)||' and table_schema='||quote_literal(sname)||' and column_name='||quote_literal(lower(col))  into cname;
    END if;

    err = cname is null;

    perform _pgr_onError(err, reportErrs, fnName,  'Column '|| col ||' not found', ' Check your column name','Column '|| col || ' found');
    RETURN cname;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;



CREATE OR REPLACE FUNCTION _pgr_getColumnName(tab text, col text, IN reportErrs int default 1, IN fnName text default '_pgr_getColumnName')
RETURNS text AS
$BODY$
DECLARE
    sname text;
    tname text;
    cname text;
    naming record;
    err boolean;
BEGIN
    select * into naming from _pgr_getTableName(tab,reportErrs, fnName) ;
    sname=naming.sname;
    tname=naming.tname;

    select * into cname from _pgr_getColumnName(sname,tname,col,reportErrs, fnName);
    RETURN cname;
END;

$BODY$
LANGUAGE plpgsql VOLATILE STRICT;



CREATE OR REPLACE FUNCTION _pgr_isColumnInTable(tab text, col text)
RETURNS boolean AS
$BODY$
DECLARE
    cname text;
BEGIN
    select * from _pgr_getColumnName(tab,col,0, '_pgr_isColumnInTable') into cname;
    return cname is not null;
END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;




CREATE OR REPLACE FUNCTION _pgr_isColumnIndexed(sname text, tname text, cname text,
      IN reportErrs int default 1, IN fnName text default '_pgr_isColumnIndexed')
RETURNS boolean AS
$BODY$
DECLARE
    naming record;
    rec record;
    pkey text;
BEGIN
    SELECT
          pg_attribute.attname into pkey
         --  format_type(pg_attribute.atttypid, pg_attribute.atttypmod)
          FROM pg_index, pg_class, pg_attribute
          WHERE
                  pg_class.oid = _pgr_quote_ident(sname||'.'||tname)::regclass AND
                  indrelid = pg_class.oid AND
                  pg_attribute.attrelid = pg_class.oid AND
                  pg_attribute.attnum = any(pg_index.indkey)
                  AND indisprimary;

    IF pkey=cname then
          RETURN TRUE;
    END IF;

    SELECT a.index_name,
           b.attname,
           b.attnum,
           a.indisunique,
           a.indisprimary
      INTO rec
      FROM ( SELECT a.indrelid,
                    a.indisunique,
                    a.indisprimary,
                    c.relname index_name,
                    unnest(a.indkey) index_num
               FROM pg_index a,
                    pg_class b,
                    pg_class c,
                    pg_namespace d
              WHERE b.relname=tname
                AND b.relnamespace=d.oid
                AND d.nspname=sname
                AND b.oid=a.indrelid
                AND a.indexrelid=c.oid
           ) a,
           pg_attribute b
     WHERE a.indrelid = b.attrelid
       AND a.index_num = b.attnum
       AND b.attname = cname
  ORDER BY a.index_name,
           a.index_num;

  RETURN FOUND;
  EXCEPTION WHEN OTHERS THEN
    perform _pgr_onError( true, reportErrs, fnName,
    'Error when checking for the postgres system attributes', SQLERR);
    RETURN FALSE;
END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;

CREATE OR REPLACE FUNCTION _pgr_isColumnIndexed(tab text, col text,
      IN reportErrs int default 1, IN fnName text default '_pgr_isColumnIndexed')
RETURNS boolean AS
$BODY$
DECLARE
    naming record;
    rec record;
    sname text;
    tname text;
    cname text;
    pkey text;
    value boolean;
BEGIN
    SELECT * into naming FROM _pgr_getTableName(tab, 0, fnName);
    sname=naming.sname;
    tname=naming.tname;
    IF sname IS NULL OR tname IS NULL THEN
        RETURN FALSE;
    END IF;
    SELECT * into cname from _pgr_getColumnName(sname, tname, col, 0, fnName) ;
    IF cname IS NULL THEN
        RETURN FALSE;
    END IF;
    select * into value  from _pgr_isColumnIndexed(sname, tname, cname, reportErrs, fnName);
    return value;
END
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;



create or replace function _pgr_quote_ident(idname text)
    returns text as
$body$
declare
    t text[];
    pgver text;

begin
    pgver := regexp_replace(version(), E'^PostgreSQL ([^ ]+)[ ,].*$', E'\\1');

    if _pgr_versionless(pgver, '9.2') then
        select into t array_agg(quote_ident(term)) from
            (select nullif(unnest, '') as term
               from unnest(string_to_array(idname, '.'))) as foo;
    else
        select into t array_agg(quote_ident(term)) from
            (select unnest(string_to_array(idname, '.', '')) as term) as foo;
    end if;
    return array_to_string(t, '.');
end;
$body$
language plpgsql immutable;


CREATE OR REPLACE FUNCTION _pgr_versionless(v1 text, v2 text)
  RETURNS boolean AS
$BODY$


declare
    v1a text[];
    v2a text[];
    nv1 integer;
    nv2 integer;
    ne1 integer;
    ne2 integer;

begin
    -- separate components into an array, like:
    -- '2.1.0-beta3dev'  =>  {2,1,0,beta3dev}
    v1a := regexp_matches(v1, E'^(\\d+)(?:[\\.](\\d+))?(?:[\\.](\\d+))?[-+\\.]?(.*)$');
    v2a := regexp_matches(v2, E'^(\\d+)(?:[\\.](\\d+))?(?:[\\.](\\d+))?[-+\\.]?(.*)$');

    -- convert modifiers to numbers for comparison
    -- we do not delineate between alpha1, alpha2, alpha3, etc
    ne1 := case when v1a[4] is null or v1a[4]='' then 5
                when v1a[4] ilike 'rc%' then 4
                when v1a[4] ilike 'beta%' then 3
                when v1a[4] ilike 'alpha%' then 2
                when v1a[4] ilike 'dev%' then 1
                else 0 end;

    ne2 := case when v2a[4] is null or v2a[4]='' then 5
                when v2a[4] ilike 'rc%' then 4
                when v2a[4] ilike 'beta%' then 3
                when v2a[4] ilike 'alpha%' then 2
                when v2a[4] ilike 'dev%' then 1
                else 0 end;

    nv1 := v1a[1]::integer * 10000 +
           coalesce(v1a[2], '0')::integer * 1000 +
           coalesce(v1a[3], '0')::integer *  100 + ne1;
    nv2 := v2a[1]::integer * 10000 +
           coalesce(v2a[2], '0')::integer * 1000 +
           coalesce(v2a[3], '0')::integer *  100 + ne2;

    --raise notice 'nv1: %, nv2: %, ne1: %, ne2: %', nv1, nv2, ne1, ne2;

    return nv1 < nv2;
end;
$BODY$
  LANGUAGE plpgsql VOLATILE
  COST 1;

create or replace function _pgr_startPoint(g geometry)
    returns geometry as
$body$
declare

begin
    if geometrytype(g) ~ '^MULTI' then
        return st_startpoint(st_geometryn(g,1));
    else
        return st_startpoint(g);
    end if;
end;
$body$
language plpgsql IMMUTABLE;



create or replace function _pgr_endPoint(g geometry)
    returns geometry as
$body$
declare

begin
    if geometrytype(g) ~ '^MULTI' then
        return st_endpoint(st_geometryn(g,1));
    else
        return st_endpoint(g);
    end if;
end;
$body$
language plpgsql IMMUTABLE;






CREATE OR REPLACE FUNCTION _pgr_parameter_check(fn text, sql text, big boolean default false)
  RETURNS bool AS
  $BODY$

  DECLARE
  rec record;
  rec1 record;
  has_rcost boolean;
  safesql text;
  BEGIN
    IF (big) THEN
       RAISE EXCEPTION 'This function is for old style functions';
    END IF;

    -- checking query is executable
    BEGIN
      safesql =  'select * from ('||sql||' ) AS __a__ limit 1';
      execute safesql into rec;
      EXCEPTION
        WHEN OTHERS THEN
            RAISE EXCEPTION 'Could not execute query please verify syntax of: '
              USING HINT = sql;
    END;

    -- checking the fixed columns and data types of the integers
    IF fn IN ('dijkstra','astar') THEN
        BEGIN
          execute 'select id,source,target,cost  from ('||safesql||') as __b__' into rec;
          EXCEPTION
            WHEN OTHERS THEN
                RAISE EXCEPTION 'An expected column was not found in the query'
                  USING ERRCODE = 'XX000',
                   HINT = 'Please veryfy the column names: id, source, target, cost';
        END;
        execute 'select pg_typeof(id)::text as id_type, pg_typeof(source)::text as source_type, pg_typeof(target)::text as target_type, pg_typeof(cost)::text as cost_type'
            || ' from ('||safesql||') AS __b__ ' into rec;
        -- Version 2.0.0 is more restrictive
        IF NOT(   (rec.id_type in ('integer'::text))
              AND (rec.source_type in ('integer'::text))
              AND (rec.target_type in ('integer'::text))
              AND (rec.cost_type = 'double precision'::text)) THEN
            RAISE EXCEPTION 'Error, columns ''source'', ''target'' must be of type int4, ''cost'' must be of type float8'
            USING ERRCODE = 'XX000';
        END IF;
    END IF;


    IF fn IN ('astar') THEN
        BEGIN
          execute 'select x1,y1,x2,y2  from ('||safesql||') as __b__' into rec;
          EXCEPTION
            WHEN OTHERS THEN
                RAISE EXCEPTION 'An expected column was not found in the query'
                  USING ERRCODE = 'XX000',
                   HINT = 'Please veryfy the column names: x1,y1, x2,y2';
        END;
        execute 'select pg_typeof(x1)::text as x1_type, pg_typeof(y1)::text as y1_type, pg_typeof(x2)::text as x2_type, pg_typeof(y2)::text as y2_type'
            || ' from ('||safesql||') AS __b__ ' into rec;
        -- Version 2.0.0 is more restrictive
        IF NOT(   (rec.x1_type = 'double precision'::text)
              AND (rec.y1_type = 'double precision'::text)
              AND (rec.x2_type = 'double precision'::text)
              AND (rec.y2_type = 'double precision'::text)) THEN
            RAISE EXCEPTION 'Columns: x1, y1, x2, y2 must be of type float8'
            USING ERRCODE = 'XX000';
        END IF;
    END IF;

    -- checking the fixed columns and data types of the integers
    IF fn IN ('johnson') THEN
        BEGIN
          execute 'select source,target,cost  from ('||safesql||') as __b__' into rec;
          EXCEPTION
            WHEN OTHERS THEN
                RAISE EXCEPTION 'An expected column was not found in the query'
                  USING HINT = 'Please veryfy the column names: id, source, target, cost',
                         ERRCODE = 'XX000';
        END;

        execute 'select pg_typeof(source)::text as source_type, pg_typeof(target)::text as target_type, pg_typeof(cost)::text as cost_type'
            || ' from ('||safesql||') AS __b__ ' into rec;
        -- Version 2.0.0 is more restrictive
        IF NOT(   (rec.source_type in ('integer'::text))
              AND (rec.target_type in ('integer'::text))
              AND (rec.cost_type = 'double precision'::text)) THEN
            RAISE EXCEPTION 'Support for source,target columns only of type: integer. Support for Cost: double precision'
            USING ERRCODE = 'XX000';
        END IF;
    END IF;


    -- Checking the data types of the optional reverse_cost";
    has_rcost := false;
    IF fn IN ('johnson','dijkstra','astar') THEN
      BEGIN
        execute 'select reverse_cost, pg_typeof(reverse_cost)::text as rev_type  from ('||safesql||' ) AS __b__ limit 1 ' into rec1;
        has_rcost := true;
        EXCEPTION
          WHEN OTHERS THEN
            has_rcost = false;
            return has_rcost;
      END;
      if (has_rcost) then
        IF (big) then
           IF  not (rec1.rev_type in ('bigint'::text, 'integer'::text, 'smallint'::text, 'double precision'::text, 'real'::text)) then
             RAISE EXCEPTION 'Illegar type in optional parameter reverse_cost.'
             USING ERRCODE = 'XX000';
           END IF;
        ELSE -- Version 2.0.0 is more restrictive
           IF (rec1.rev_type != 'double precision') then
             RAISE EXCEPTION 'Illegal type in optional parameter reverse_cost, must be of type float8'
             USING ERRCODE = 'XX000';
           END IF;
        END IF;
      end if;
      return true;
    END IF;
    -- just for keeps
    return true;
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 1;







CREATE OR REPLACE FUNCTION _pgr_onError(
  IN errCond boolean,  -- true there is an error
  IN reportErrs int,   -- 0, 1 or 2
  IN fnName text,      -- function name that generates the error
  IN msgerr text,      -- error message
  IN hinto text default 'No hint', -- hint help
  IN msgok text default 'OK')      -- message if everything is ok
  RETURNS void AS
$BODY$
BEGIN
  if errCond=true then
     if reportErrs=0 then
       raise debug '----> PGR DEBUG in %: %',fnName,msgerr USING HINT = '  ---->'|| hinto;
     else
       if reportErrs = 2 then
         raise notice '----> PGR ERROR in %: %',fnName,msgerr USING HINT = '  ---->'|| hinto;
         raise raise_exception;
       else
         raise notice '----> PGR NOTICE in %: %',fnName,msgerr USING HINT = '  ---->'|| hinto;
       end if;
     end if;
  else
       raise debug 'PGR ----> %: %',fnName,msgok;
  end if;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;



CREATE OR REPLACE FUNCTION _pgr_msg(IN msgKind int, IN fnName text, IN msg text default '---->OK')
  RETURNS void AS
$BODY$
BEGIN
  if msgKind = 0 then
       raise debug '----> PGR DEBUG in %: %',fnName,msg;
  else
       raise notice '----> PGR NOTICE in %: %',fnName,msg;
  end if;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;




CREATE OR REPLACE FUNCTION _pgr_getColumnType(sname text, tname text, cname text,
     IN reportErrs int default 0, IN fnName text default '_pgr_getColumnType')
RETURNS text AS
$BODY$
DECLARE
    ctype text;
    naming record;
    err boolean;
BEGIN

    EXECUTE 'select data_type  from information_schema.columns '
            || 'where table_name = '||quote_literal(tname)
                 || ' and table_schema=' || quote_literal(sname)
                 || ' and column_name='||quote_literal(cname)
       into ctype;
    err = ctype is null;
    perform _pgr_onError(err, reportErrs, fnName,
            'Type of Column '|| cname ||' not found',
            'Check your column name',
            'OK: Type of Column '|| cname || ' is ' || ctype);
    RETURN ctype;
END;

$BODY$
LANGUAGE plpgsql VOLATILE STRICT;


CREATE OR REPLACE FUNCTION _pgr_getColumnType(tab text, col text,
     IN reportErrs int default 0, IN fnName text default '_pgr_getColumnType')
RETURNS text AS
$BODY$
DECLARE
    sname text;
    tname text;
    cname text;
    ctype text;
    naming record;
    err boolean;
BEGIN

    select * into naming from _pgr_getTableName(tab,reportErrs, fnName) ;
    sname=naming.sname;
    tname=naming.tname;
    select * into cname from _pgr_getColumnName(tab,col,reportErrs, fnName) ;
    select * into ctype from _pgr_getColumnType(sname,tname,cname,reportErrs, fnName);
    RETURN ctype;
END;

$BODY$
LANGUAGE plpgsql VOLATILE STRICT;






CREATE OR REPLACE FUNCTION _pgr_get_statement(o_sql text)
RETURNS text AS
$BODY$
DECLARE
sql TEXT;
BEGIN
    EXECUTE 'SELECT statement FROM pg_prepared_statements WHERE name ='  || quote_literal(o_sql) || ' limit 1 ' INTO sql;
    IF (sql IS NULL) THEN
      RETURN   o_sql;
    ELSE
      RETURN  regexp_replace(sql, '(.)* as ', '', 'i');
    END IF;
END
$BODY$
LANGUAGE plpgsql STABLE STRICT;



CREATE OR REPLACE FUNCTION _pgr_checkVertTab(vertname text, columnsArr  text[],
    IN reportErrs int default 1, IN fnName text default '_pgr_checkVertTab',
    OUT sname text,OUT vname text)
RETURNS record AS
$BODY$
DECLARE
    cname text;
    colname text;
    naming record;
    debuglevel text;
    err  boolean;
    msgKind int;

BEGIN
    msgKind = 0; -- debug_
    execute 'show client_min_messages' into debuglevel;

    perform _pgr_msg(msgKind, fnName, 'Checking table ' || vertname || ' exists');
       select * from _pgr_getTableName(vertname, 0, fnName) into naming;
       sname=naming.sname;
       vname=naming.tname;
       err = sname is NULL or vname is NULL;
    perform _pgr_onError( err, 2, fnName,
          'Vertex Table: ' || vertname || ' not found',
          'Please create ' || vertname || ' using  _pgr_createTopology() or pgr_createVerticesTable()',
          'Vertex Table: ' || vertname || ' found');


    perform _pgr_msg(msgKind, fnName, 'Checking columns of ' || vertname);
      FOREACH cname IN ARRAY columnsArr
      loop
         select _pgr_getcolumnName(vertname, cname, 0, fnName) into colname;
         if colname is null then
           perform _pgr_msg(msgKind, fnName, 'Adding column ' || cname || ' in ' || vertname);
           set client_min_messages  to warning;
                execute 'ALTER TABLE '||_pgr_quote_ident(vertname)||' ADD COLUMN '||cname|| ' integer';
           execute 'set client_min_messages  to '|| debuglevel;
           perform _pgr_msg(msgKind, fnName);
         end if;
      end loop;
    perform _pgr_msg(msgKind, fnName, 'Finished checking columns of ' || vertname);

    perform _pgr_createIndex(vertname , 'id' , 'btree', reportErrs, fnName);
 END
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;







CREATE OR REPLACE FUNCTION _pgr_createIndex(
    sname text, tname text, colname text, indext text,
    IN reportErrs int default 1, IN fnName text default '_pgr_createIndex')
RETURNS void AS
$BODY$
DECLARE
    debuglevel text;
    naming record;
    tabname text;
    query text;
    msgKind int;
BEGIN
  msgKind = 0; -- debug_

  execute 'show client_min_messages' into debuglevel;
  tabname=_pgr_quote_ident(sname||'.'||tname);
  perform _pgr_msg(msgKind, fnName, 'Checking ' || colname || ' column in ' || tabname || ' is indexed');
    IF (_pgr_isColumnIndexed(sname,tname,colname, 0, fnName)) then
       perform _pgr_msg(msgKind, fnName);
    else
      if indext = 'gist' then
        query = 'create  index '||_pgr_quote_ident(tname||'_'||colname||'_idx')||'
                         on '||tabname||' using gist('||quote_ident(colname)||')';
      else
        query = 'create  index '||_pgr_quote_ident(tname||'_'||colname||'_idx')||'
                         on '||tabname||' using btree('||quote_ident(colname)||')';
      end if;
      perform _pgr_msg(msgKind, fnName, 'Adding index ' || tabname || '_' ||  colname || '_idx');
      perform _pgr_msg(msgKind, fnName, ' Using ' ||  query);
      set client_min_messages  to warning;
      BEGIN
        execute query;
        EXCEPTION WHEN others THEN
          perform _pgr_onError( true, reportErrs, fnName,
            'Could not create index on:' || colname, SQLERRM);
      END;
      execute 'set client_min_messages  to '|| debuglevel;
      perform _pgr_msg(msgKind, fnName);
    END IF;
END;

$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;


CREATE OR REPLACE FUNCTION _pgr_createIndex(tabname text, colname text, indext text,
    IN reportErrs int default 1, IN fnName text default '_pgr_createIndex')
RETURNS void AS
$BODY$
DECLARE
    naming record;
    sname text;
    tname text;

BEGIN
    select * from _pgr_getTableName(tabname, 2, fnName)  into naming;
    sname=naming.sname;
    tname=naming.tname;
    execute _pgr_createIndex(sname, tname, colname, indext, reportErrs, fnName);
END;

$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;





CREATE OR REPLACE FUNCTION _pgr_pointToId(
    point geometry,
    tolerance double precision,
    vertname text,
    srid integer)

  RETURNS bigint AS
$BODY$
DECLARE
    rec record;
    pid bigint;

BEGIN
    EXECUTE 'SELECT ST_Distance(
        the_geom,
        ST_GeomFromText(ST_AsText('
                || quote_literal(point::text)
                || '),'
            || srid ||')) AS d, id, the_geom
    FROM '||_pgr_quote_ident(vertname)||'
    WHERE ST_DWithin(
        the_geom,
        ST_GeomFromText(
            ST_AsText(' || quote_literal(point::text) ||'),
            ' || srid || '),' || tolerance||')
    ORDER BY d
    LIMIT 1' INTO rec ;
    IF rec.id IS NOT NULL THEN
        pid := rec.id;
    ELSE
        execute 'INSERT INTO '||_pgr_quote_ident(vertname)||' (the_geom) VALUES ('||quote_literal(point::text)||')';
        pid := lastval();
END IF;

RETURN pid;

END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;



CREATE OR REPLACE FUNCTION _pgr_dijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    only_cost BOOLEAN DEFAULT false,
    normal BOOLEAN DEFAULT true,

    OUT seq integer,
    OUT path_seq integer,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'many_to_many_dijkstra'
LANGUAGE c VOLATILE;


-- V3 signature 1 to 1
CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vid BIGINT,

    OUT seq integer,
    OUT path_seq integer,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], true, false, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- V3 signature 1 to 1
CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vid BIGINT,
    directed BOOLEAN,

    OUT seq integer,
    OUT path_seq integer,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], directed, false, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,

    OUT seq integer,
    OUT path_seq integer,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, false, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT true,
    OUT seq integer,
    OUT path_seq integer,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, false, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    OUT seq integer, OUT path_seq integer,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost float,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], $4, false, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- COMMENTS

COMMENT ON FUNCTION  pgr_dijkstra(TEXT, BIGINT, BIGINT) IS 'pgr_dijkstra(One to One)';
COMMENT ON FUNCTION  pgr_dijkstra(TEXT, BIGINT, BIGINT, BOOLEAN) IS 'pgr_dijkstra(One to One)';
COMMENT ON FUNCTION  pgr_dijkstra(TEXT, BIGINT, ANYARRAY, BOOLEAN) IS 'pgr_dijkstra(One to Many)';
COMMENT ON FUNCTION  pgr_dijkstra(TEXT, ANYARRAY, BIGINT, BOOLEAN) IS 'pgr_dijkstra(Many to One)';
COMMENT ON FUNCTION  pgr_dijkstra(TEXT, ANYARRAY, ANYARRAY, BOOLEAN) IS 'pgr_dijkstra(Many to Many)';



CREATE OR REPLACE FUNCTION pgr_dijkstraCost(
    edges_sql TEXT,
    BIGINT,
    BIGINT,
    directed BOOLEAN DEFAULT TRUE,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_dijkstraCost(
    edges_sql TEXT,
    BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_dijkstraCost(
    edges_sql TEXT,
    start_vids ANYARRAY,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_dijkstraCost(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], $4, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- COMMENTS

COMMENT ON FUNCTION  pgr_dijkstraCost(TEXT, BIGINT, BIGINT, BOOLEAN) IS 'pgr_dijkstraCost(One to One)';
COMMENT ON FUNCTION  pgr_dijkstraCost(TEXT, BIGINT, ANYARRAY, BOOLEAN) IS 'pgr_dijkstraCost(One to Many)';
COMMENT ON FUNCTION  pgr_dijkstraCost(TEXT, ANYARRAY, BIGINT, BOOLEAN) IS 'pgr_dijkstraCost(Many to One)';
COMMENT ON FUNCTION  pgr_dijkstraCost(TEXT, ANYARRAY, ANYARRAY, BOOLEAN) IS 'pgr_dijkstraCost(Many to Many)';


CREATE OR REPLACE FUNCTION pgr_dijkstraVia(
    edges_sql TEXT,
    via_vertices ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    strict BOOLEAN DEFAULT FALSE,
    U_turn_on_edge BOOLEAN DEFAULT TRUE,


    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT,
    OUT route_agg_cost FLOAT)

  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'dijkstraVia'
    LANGUAGE c VOLATILE;




CREATE OR REPLACE FUNCTION pgr_johnson(edges_sql TEXT, directed BOOLEAN DEFAULT TRUE,
  OUT start_vid BIGINT, OUT end_vid BIGINT, OUT agg_cost float)
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'johnson'
    LANGUAGE c VOLATILE;



CREATE OR REPLACE FUNCTION pgr_floydWarshall(edges_sql TEXT, directed BOOLEAN DEFAULT TRUE,
  OUT start_vid BIGINT, OUT end_vid BIGINT, OUT agg_cost float)
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'floydWarshall'
    LANGUAGE c VOLATILE;




CREATE OR REPLACE FUNCTION _pgr_astar(
    edges_sql TEXT, -- XY edges sql
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    only_cost BOOLEAN DEFAULT false,
    normal BOOLEAN DEFAULT false,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'astarManyToMany'
LANGUAGE c VOLATILE;


CREATE OR REPLACE FUNCTION pgr_astar(
    edges_sql TEXT, -- XY edges sql
    start_vid BIGINT,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_astar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[],  ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_astar(
    edges_sql TEXT, -- XY edges sql
    start_vid BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_astar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[],  $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_astar(
    edges_sql TEXT, -- XY edges sql
    start_vids ANYARRAY,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_astar(_pgr_get_statement($1), $2::BIGINT[],  ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, normal:=false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_astar(
    edges_sql TEXT, -- XY edges sql
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT *
    FROM _pgr_astar(_pgr_get_statement($1), $2::BIGINT[],  $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- COMMENTS

COMMENT ON FUNCTION pgr_astar(TEXT, BIGINT, BIGINT, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_astar(One to One)';
COMMENT ON FUNCTION pgr_astar(TEXT, BIGINT, ANYARRAY, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_astar(One to Many)';
COMMENT ON FUNCTION pgr_astar(TEXT, ANYARRAY, BIGINT, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_astar(Many to One)';
COMMENT ON FUNCTION pgr_astar(TEXT, ANYARRAY, ANYARRAY, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_astar(Many to Many)';


CREATE OR REPLACE FUNCTION pgr_aStarCost(
    edges_sql TEXT, -- XY edges sql
    start_vid BIGINT,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_aStar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[],  ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a
    ORDER BY  a.start_vid, a.end_vid;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_aStarCost(
    edges_sql TEXT, -- XY edges sql
    start_vid BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_aStar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[],  $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a
    ORDER BY  a.start_vid, a.end_vid;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_aStarCost(
    edges_sql TEXT, -- XY edges sql
    start_vids ANYARRAY,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_aStar(_pgr_get_statement($1), $2::BIGINT[],  ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true, normal:=false) AS a
    ORDER BY  a.start_vid, a.end_vid;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

CREATE OR REPLACE FUNCTION pgr_aStarCost(
    edges_sql TEXT, -- XY edges sql
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_aStar(_pgr_get_statement($1), $2::BIGINT[],  $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a
    ORDER BY  a.start_vid, a.end_vid;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- COMMENTS

COMMENT ON FUNCTION pgr_aStarCost(TEXT, BIGINT, BIGINT, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_aStarCost(One to One)';
COMMENT ON FUNCTION pgr_aStarCost(TEXT, BIGINT, ANYARRAY, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_aStarCost(One to Many)';
COMMENT ON FUNCTION pgr_aStarCost(TEXT, ANYARRAY, BIGINT, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_aStarCost(Many to One)';
COMMENT ON FUNCTION pgr_aStarCost(TEXT, ANYARRAY, ANYARRAY, BOOLEAN, INTEGER, FLOAT, FLOAT) IS 'pgr_aStarCost(Many to Many)';


CREATE OR REPLACE FUNCTION pgr_withPointsDD(
    edges_sql TEXT,
    points_sql TEXT,
    start_pid ANYARRAY,
    distance FLOAT,

    directed BOOLEAN DEFAULT TRUE,
    driving_side CHAR DEFAULT 'b',
    details BOOLEAN DEFAULT FALSE,
    equicost BOOLEAN DEFAULT FALSE,

    OUT seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
  RETURNS SETOF RECORD AS
     '$libdir/libpgrouting-2.6', 'many_withPointsDD'
 LANGUAGE c VOLATILE STRICT;


CREATE OR REPLACE FUNCTION pgr_withPointsDD(
    edges_sql TEXT,
    points_sql TEXT,
    start_pid BIGINT,
    distance FLOAT,

    directed BOOLEAN DEFAULT TRUE,
    driving_side CHAR DEFAULT 'b',
    details BOOLEAN DEFAULT FALSE,

    OUT seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
  RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.node, a.edge, a.cost, a.agg_cost
    FROM pgr_withPointsDD($1, $2, ARRAY[$3]::BIGINT[], $4, $5, $6, $7, false) a;
$BODY$
LANGUAGE SQL VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_drivingDistance(
    edges_sql text,
    start_vids anyarray,
    distance FLOAT,
    directed BOOLEAN DEFAULT TRUE,
    equicost BOOLEAN DEFAULT FALSE,
    OUT seq integer,
    OUT from_v  bigint,
    OUT node bigint,
    OUT edge bigint,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
  RETURNS SETOF RECORD AS
     '$libdir/libpgrouting-2.6', 'driving_many_to_dist'
 LANGUAGE c VOLATILE STRICT;


CREATE OR REPLACE FUNCTION pgr_drivingDistance(
    edges_sql text,
    start_vid bigint,
    distance FLOAT8,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq integer,
    OUT node bigint,
    OUT edge bigint,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
  RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.node, a.edge, a.cost, a.agg_cost
    FROM pgr_drivingDistance($1, ARRAY[$2]::BIGINT[], $3, $4, false) a;
$BODY$
LANGUAGE SQL VOLATILE
COST 100
ROWS 1000;






CREATE OR REPLACE FUNCTION _pgr_ksp(edges_sql text, start_vid bigint, end_vid bigint, k integer, directed boolean, heap_paths boolean,
  OUT seq integer, OUT path_id integer, OUT path_seq integer, OUT node bigint, OUT edge bigint, OUT cost float, OUT agg_cost float)
  RETURNS SETOF RECORD AS
    '$libdir/libpgrouting-2.6', 'kshortest_path'
    LANGUAGE c STABLE STRICT;

-- V2 the graph is directed and there are no heap paths
CREATE OR REPLACE FUNCTION pgr_ksp(edges_sql text, start_vid integer, end_vid integer, k integer, has_rcost boolean)
  RETURNS SETOF pgr_costresult3 AS
  $BODY$
  DECLARE
  has_reverse boolean;
  sql TEXT;
  BEGIN
      RAISE NOTICE 'Deprecated signature of pgr_ksp';
      has_reverse =_pgr_parameter_check('dijkstra', edges_sql::text, false);
      sql = edges_sql;
      IF (has_reverse != has_rcost) THEN
         IF (has_rcost) THEN
           -- user says that it has reverse_cost but its not true
           RAISE EXCEPTION 'has_reverse_cost set to true but reverse_cost not found';
         ELSE
           -- user says that it does not have reverse_cost but it does have it
           -- to ignore we remove reverse_cost from the query
           sql = 'SELECT id, source, target, cost FROM (' || edges_sql || ') a';
         END IF;
      END IF;

      RETURN query SELECT ((row_number() over()) -1)::integer  AS seq,  (path_id - 1)::integer AS id1, node::integer AS id2, edge::integer AS id3, cost
            FROM _pgr_ksp(sql::text, start_vid, end_vid, k, TRUE, FALSE) WHERE path_id <= k;
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;


CREATE OR REPLACE FUNCTION pgr_ksp(edges_sql text, start_vid bigint, end_vid bigint, k integer,
  directed boolean default true, heap_paths boolean default false,
  --directed boolean, heap_paths boolean,
  OUT seq integer, OUT path_id integer, OUT path_seq integer, OUT node bigint, OUT edge bigint, OUT cost float, OUT agg_cost float)
  RETURNS SETOF RECORD AS
  $BODY$
  DECLARE
  BEGIN
         RETURN query SELECT *
                FROM _pgr_ksp(edges_sql::text, start_vid, end_vid, k, directed, heap_paths);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_withPointsKSP(
    edges_sql TEXT,
    points_sql TEXT,
    start_pid BIGINT,
    end_pid BIGINT,
    k INTEGER,

    directed BOOLEAN DEFAULT TRUE,
    heap_paths BOOLEAN DEFAULT FALSE,
    driving_side CHAR DEFAULT 'b',
    details BOOLEAN DEFAULT FALSE,

    OUT seq INTEGER, OUT path_id INTEGER, OUT path_seq INTEGER,
    OUT node BIGINT, OUT edge BIGINT,
    OUT cost FLOAT, OUT agg_cost FLOAT)
  RETURNS SETOF RECORD AS
    '$libdir/libpgrouting-2.6', 'withPoints_ksp'
    LANGUAGE c STABLE STRICT;



CREATE OR REPLACE FUNCTION _pgr_unnest_matrix(matrix float8[][], OUT start_vid integer, OUT end_vid integer, out agg_cost float8)
RETURNS SETOF record AS

$body$
DECLARE

m float8[];

BEGIN
    start_vid = 1;
    foreach m slice 1 in  ARRAY matrix
    LOOP
        end_vid = 1;
        foreach agg_cost in  ARRAY m
        LOOP
            RETURN next;
            end_vid = end_vid + 1;
        END LOOP;
        start_vid = start_vid + 1;
    END LOOP;
END;
$body$
language plpgsql volatile cost 500 ROWS 50;



CREATE OR REPLACE FUNCTION pgr_tsp(
    matrix float8[][],
    startpt INTEGER,
    endpt INTEGER DEFAULT -1,
    OUT seq INTEGER,
    OUT id INTEGER)
RETURNS SETOF record AS
$body$
DECLARE
table_sql TEXT;
debuglevel TEXT;
BEGIN
    RAISE NOTICE 'Deprecated Signature pgr_tsp(float8[][], integer, integer)';

    CREATE TEMP TABLE ___tmp2 ON COMMIT DROP AS SELECT * FROM _pgr_unnest_matrix( matrix );


    startpt := startpt + 1;
    IF endpt = -1 THEN endpt := startpt;
    END IF;


    RETURN QUERY
    WITH
    result AS (
        SELECT * FROM pgr_TSP(
        $$SELECT * FROM ___tmp2 $$,
        startpt, endpt,

        tries_per_temperature :=  500 :: INTEGER,
        max_changes_per_temperature := 30 :: INTEGER,
        max_consecutive_non_changes := 500 :: INTEGER,

        randomize:=false)
    )
    SELECT (row_number() over(ORDER BY result.seq) - 1)::INTEGER AS seq, (result.node - 1)::INTEGER AS id

    FROM result WHERE NOT(result.node = startpt AND result.seq != 1);

    DROP TABLE ___tmp2;
END;
$body$
language plpgsql volatile cost 500 ROWS 50;






CREATE OR  REPLACE FUNCTION pgr_tsp(sql text, start_id INTEGER, end_id INTEGER default (-1))
returns setof pgr_costResult as
$body$
DECLARE
table_sql TEXT;
rec RECORD;
debuglevel TEXT;
n BIGINT;

BEGIN
    RAISE NOTICE 'Deprecated Signature pgr_tsp(sql, integer, integer)';

    table_sql := 'CREATE TEMP TABLE ___tmp ON COMMIT DROP AS ' || sql ;
    EXECUTE table_sql;


    BEGIN
        EXECUTE 'SELECT id, x, y FROM ___tmp' INTO rec;
        EXCEPTION
            WHEN OTHERS THEN
                RAISE EXCEPTION 'An expected column was not found in the query'
                USING ERRCODE = 'XX000',
                HINT = 'Please verify the column names: id, x, y';
    END;

    EXECUTE
    'SELECT
        pg_typeof(id)::text as id_type,
        pg_typeof(x)::text as x_type,
        pg_typeof(y)::text as y_type FROM ___tmp' INTO rec;


    IF NOT((rec.id_type in ('integer'::text))
        AND (rec.x_type = 'double precision'::text)
        AND (rec.y_type = 'double precision'::text)) THEN
            RAISE EXCEPTION '''id'' must be of type INTEGER, ''x'' ad ''y'' must be of type FLOAT'
            USING ERRCODE = 'XX000';
    END IF;

    EXECUTE 'SELECT count(*) AS n FROM (' || sql || ') AS __a__' INTO rec;
    n = rec.n;

    RETURN query
        SELECT (seq - 1)::INTEGER AS seq, node::INTEGER AS id1, node::INTEGER AS id2, cost
        FROM pgr_eucledianTSP(sql, start_id, end_id,

            tries_per_temperature :=  500 * n :: INTEGER,
            max_changes_per_temperature := 60 * n :: INTEGER,
            max_consecutive_non_changes := 500 * n :: INTEGER,

            randomize := false) WHERE seq <= n;
    DROP TABLE ___tmp;

END;
$body$
language plpgsql volatile cost 500 ROWS 50;




create or replace function _pgr_makeDistanceMatrix(sqlin text, OUT dmatrix double precision[], OUT ids integer[])
  as
$body$
declare
    sql text;
    r record;

begin
    dmatrix := array[]::double precision[];
    ids := array[]::integer[];

    sql := 'with nodes as (' || sqlin || ')
        select i, array_agg(dist) as arow from (
            select a.id as i, b.id as j, st_distance(st_makepoint(a.x, a.y), st_makepoint(b.x, b.y)) as dist
              from nodes a, nodes b
             order by a.id, b.id
           ) as foo group by i order by i';

    for r in execute sql loop
        dmatrix := array_cat(dmatrix, array[r.arow]);
        ids := ids || array[r.i];
    end loop;

end;
$body$
language plpgsql stable cost 10;


CREATE OR REPLACE FUNCTION pgr_TSP(
    matrix_row_sql TEXT,
    start_id BIGINT DEFAULT 0,
    end_id BIGINT DEFAULT 0,

    max_processing_time FLOAT DEFAULT '+infinity'::FLOAT,

    tries_per_temperature INTEGER DEFAULT 500,
    max_changes_per_temperature INTEGER DEFAULT 60,
    max_consecutive_non_changes INTEGER DEFAULT 100,

    initial_temperature FLOAT DEFAULT 100,
    final_temperature FLOAT DEFAULT 0.1,
    cooling_factor FLOAT DEFAULT 0.9,

    randomize BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT node BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF record
AS '$libdir/libpgrouting-2.6', 'newTSP'
LANGUAGE c VOLATILE STRICT;


CREATE OR REPLACE FUNCTION pgr_eucledianTSP(
    coordinates_sql TEXT,
    start_id BIGINT DEFAULT 0,
    end_id BIGINT DEFAULT 0,

    max_processing_time FLOAT DEFAULT '+infinity'::FLOAT,

    tries_per_temperature INTEGER DEFAULT 500,
    max_changes_per_temperature INTEGER DEFAULT 60,
    max_consecutive_non_changes INTEGER DEFAULT 100,

    initial_temperature FLOAT DEFAULT 100,
    final_temperature FLOAT DEFAULT 0.1,
    cooling_factor FLOAT DEFAULT 0.9,

    randomize BOOLEAN DEFAULT true,

    OUT seq integer,
    OUT node BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF record
AS '$libdir/libpgrouting-2.6', 'eucledianTSP'
LANGUAGE c VOLATILE STRICT;





CREATE OR REPLACE FUNCTION pgr_alphashape(sql text, alpha float8 DEFAULT 0, OUT x float8, OUT y float8)
    RETURNS SETOF record
    AS '$libdir/libpgrouting-2.6', 'alphashape'
    LANGUAGE c VOLATILE;


CREATE OR REPLACE FUNCTION pgr_pointsAsPolygon(query varchar, alpha float8 DEFAULT 0)
	RETURNS geometry AS
	$$
	DECLARE
		r record;
		geoms geometry[];
		vertex_result record;
		i int;
		n int;
		spos int;
		q text;
		x float8[];
		y float8[];

	BEGIN
		geoms := array[]::geometry[];
		i := 1;

		FOR vertex_result IN EXECUTE 'SELECT x, y FROM pgr_alphashape('''|| query || ''', ' || alpha || ')'
		LOOP
			x[i] = vertex_result.x;
			y[i] = vertex_result.y;
			i := i+1;
		END LOOP;

		n := i;
		IF n = 1 THEN
			RAISE NOTICE 'n = 1';
			RETURN NULL;
		END IF;

		spos := 1;
		q := 'SELECT ST_GeometryFromText(''POLYGON((';
		FOR i IN 1..n LOOP
			IF x[i] IS NULL AND y[i] IS NULL THEN
				q := q || ', ' || x[spos] || ' ' || y[spos] || '))'',0) AS geom;';
				EXECUTE q INTO r;
				geoms := geoms || array[r.geom];
				q := '';
			ELSE
				IF q = '' THEN
					spos := i;
					q := 'SELECT ST_GeometryFromText(''POLYGON((';
				END IF;
				IF i = spos THEN
					q := q || x[spos] || ' ' || y[spos];
				ELSE
					q := q || ', ' || x[i] || ' ' || y[i];
				END IF;
			END IF;
		END LOOP;

		RETURN ST_BuildArea(ST_Collect(geoms));
	END;
	$$
	LANGUAGE 'plpgsql' VOLATILE STRICT;



CREATE OR REPLACE FUNCTION _pgr_bdAstar(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    only_cost BOOLEAN DEFAULT false,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
    '$libdir/libpgrouting-2.6', 'bd_astar'
LANGUAGE C VOLATILE;





-- V3
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    TEXT,
    BIGINT,
    BIGINT,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], directed:=true, only_cost:=false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- V3
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    TEXT,
    BIGINT,
    BIGINT,
    BOOLEAN,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- one to many
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    TEXT,
    BIGINT,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- many to one
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    TEXT,
    ANYARRAY,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- many to many
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT *
    FROM _pgr_bdAstar(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, false);
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- COMMENTS

COMMENT ON FUNCTION pgr_bdAstar(TEXT, BIGINT, BIGINT) IS 'pgr_bdAstar(One to One)';
COMMENT ON FUNCTION pgr_bdAstar(TEXT, BIGINT, BIGINT, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstar(One to One)';
COMMENT ON FUNCTION pgr_bdAstar(TEXT, ANYARRAY, BIGINT, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstar(Many to One)';
COMMENT ON FUNCTION pgr_bdAstar(TEXT, BIGINT, ANYARRAY, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstar(One to Many)';
COMMENT ON FUNCTION pgr_bdAstar(TEXT, ANYARRAY, ANYARRAY, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstar(Many to Many)';



-- one to one
CREATE OR REPLACE FUNCTION pgr_bdAstarCost(
    TEXT,
    BIGINT,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- one to many
CREATE OR REPLACE FUNCTION pgr_bdAstarCost(
    TEXT,
    BIGINT,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- many to one
CREATE OR REPLACE FUNCTION pgr_bdAstarCost(
    TEXT,
    ANYARRAY,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- many to many
CREATE OR REPLACE FUNCTION pgr_bdAstarCost(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], $4, $5, $6::FLOAT, $7::FLOAT, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- COMMENTS

COMMENT ON FUNCTION pgr_bdAstarCost(TEXT, BIGINT, BIGINT, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstarCost(One to One)';
COMMENT ON FUNCTION pgr_bdAstarCost(TEXT, BIGINT, ANYARRAY, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstarCost(One to Many)';
COMMENT ON FUNCTION pgr_bdAstarCost(TEXT, ANYARRAY, BIGINT, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstarCost(Many to One)';
COMMENT ON FUNCTION pgr_bdAstarCost(TEXT, ANYARRAY, ANYARRAY, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstarCost(Many to Many)';


-- bdDijkstra MANY TO MANY
CREATE OR REPLACE FUNCTION _pgr_bdDijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    only_cost BOOLEAN DEFAULT false,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'bdDijkstra'
LANGUAGE c VOLATILE;



-- ONE TO ONE
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vid BIGINT,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], true, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- TODO directed BOOLEAN DEFAULT TRUE,  on version 3
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vid BIGINT,
    directed BOOLEAN,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4, false) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- ONE TO MANY
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(
    edges_sql TEXT,
    start_vid BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, false) as a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- MANY TO ONE
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vid BIGINT,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, false) as a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



-- MANY TO MANY
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT *
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], directed, false) as a;
$BODY$
LANGUAGE SQL VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_bdDijkstraCost(
    edges_sql TEXT,
    BIGINT,
    BIGINT,
    directed BOOLEAN DEFAULT TRUE,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4, true) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-- ONE TO MANY
CREATE OR REPLACE FUNCTION pgr_bdDijkstraCost(
    edges_sql TEXT,
    BIGINT,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4, true) as a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-- MANY TO ONE
CREATE OR REPLACE FUNCTION pgr_bdDijkstraCost(
    edges_sql TEXT,
    start_vids ANYARRAY,
    BIGINT,
    directed BOOLEAN DEFAULT TRUE,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4, true) as a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



-- MANY TO MANY
CREATE OR REPLACE FUNCTION pgr_bdDijkstraCost(
    edges_sql TEXT,
    start_vids ANYARRAY,
    end_vids ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], directed, true) as a;
$BODY$
LANGUAGE SQL VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION _trsp(
    TEXT, -- edges_sql
    TEXT, -- restrictions_sql
    ANYARRAY,
    ANYARRAY,
    directed BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'turn_restriction'
LANGUAGE 'c' VOLATILE;



-------------------------------
-- trsp: one to one
-------------------------------
CREATE OR REPLACE FUNCTION _pgr_trsp(
    TEXT, -- edges_sql
    TEXT, -- restrictions_sql
    BIGINT, -- start_vid
    BIGINT, -- end_vid
    directed BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
        FROM _trsp(
            _pgr_get_statement($1),
            _pgr_get_statement($2),
            ARRAY[$3]::BIGINT[],
            ARRAY[$4]::BIGINT[],
            directed) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-------------------------------
-- trsp: one to many
-------------------------------
CREATE OR REPLACE FUNCTION _pgr_trsp(
    TEXT, -- edges_sql
    TEXT, -- restrictions_sql
    BIGINT, -- start_vid
    ANYARRAY, -- end_vids
    directed BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
        FROM _trsp(
            _pgr_get_statement($1),
            _pgr_get_statement($2),
            ARRAY[$3]::BIGINT[],
            $4::bigint[],
            directed) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


-------------------------------
-- trsp: many to one
-------------------------------
CREATE OR REPLACE FUNCTION _pgr_trsp(
    TEXT, -- edges_sql
    TEXT, -- restrictions_sql
    ANYARRAY, -- start_vids
    BIGINT, -- end_vid
    directed BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
        FROM _trsp(
            _pgr_get_statement($1),
            _pgr_get_statement($2),
            $3::bigint[],
            ARRAY[$4]::BIGINT[],
            $5) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;

-------------------------------
-- trsp: many to many
-------------------------------
CREATE OR REPLACE FUNCTION _pgr_trsp(
    TEXT, -- edges_sql
    TEXT, -- restrictions_sql
    ANYARRAY, -- start_vids
    ANYARRAY, -- end_vids
    directed BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.start_vid, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
        FROM _trsp(
            _pgr_get_statement($1),
            _pgr_get_statement($2),
            $3::bigint[],
            $4::bigint[],
            $5) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;





CREATE OR REPLACE FUNCTION _pgr_trsp(
    sql text,
    source_eid integer,
    source_pos float8,
    target_eid integer,
    target_pos float8,
    directed boolean,
    has_reverse_cost boolean,
    turn_restrict_sql text DEFAULT null)
RETURNS SETOF pgr_costResult
AS '$libdir/libpgrouting-2.6', 'turn_restrict_shortest_path_edge'
LANGUAGE 'c' IMMUTABLE;


CREATE OR REPLACE FUNCTION _pgr_array_reverse(anyarray) RETURNS anyarray AS $$
SELECT ARRAY(
    SELECT $1[i]
    FROM generate_subscripts($1,1) AS s(i)
    ORDER BY i DESC
);
$$ LANGUAGE 'sql' STRICT IMMUTABLE;



CREATE OR REPLACE FUNCTION pgr_trsp(
    edges_sql TEXT,
    start_vid INTEGER,
    end_vid INTEGER,
    directed BOOLEAN,
    has_rcost BOOLEAN,
    restrictions_sql TEXT DEFAULT NULL)
RETURNS SETOF pgr_costResult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
restrictions_query TEXT;
trsp_sql TEXT;
BEGIN
    has_reverse =_pgr_parameter_check('dijkstra', edges_sql, false);

    new_sql := edges_sql;
    IF (has_reverse != has_rcost) THEN  -- user contradiction
        IF (has_reverse) THEN  -- it has reverse_cost but user don't want it.
            -- to be on the safe side because it reads the data wrong, sending only postitive values
            new_sql :=
            'WITH old_sql AS (' || edges_sql || ')' ||
            '   SELECT id, source, target, cost FROM old_sql';
        ELSE -- it does not have reverse_cost but user wants it
            RAISE EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
            USING ERRCODE := 'XX000';
        END IF;
    END IF;

    IF (restrictions_sql IS NULL OR length(restrictions_sql) = 0) THEN
        -- no restrictions then its a dijkstra
        RETURN query SELECT a.seq - 1 AS seq, node::INTEGER AS id1, edge::INTEGER AS id2, cost
        FROM pgr_dijkstra(new_sql, start_vid, end_vid, directed) a;
        RETURN;
    END IF;


    restrictions_query = $$
        WITH old_restrictions AS ( $$ ||
            $6 || $$
        )
        SELECT ROW_NUMBER() OVER() AS id,
            _pgr_array_reverse(array_prepend(target_id, string_to_array(via_path, ',')::INTEGER[])) AS path,
            to_cost AS cost
        FROM old_restrictions;
    $$;



    RETURN query
        SELECT (seq - 1)::INTEGER, a.node::INTEGER, a.edge::INTEGER, a.cost
        FROM _pgr_trsp(new_sql, restrictions_query, start_vid, end_vid, directed) AS a;
    IF NOT FOUND THEN
        RAISE EXCEPTION 'Error computing path: Path Not Found';
    END IF;

END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_trspViaVertices(
    edges_sql TEXT,
    via_vids ANYARRAY,
    directed BOOLEAN,
    has_rcost BOOLEAN,
    restrictions_sql TEXT DEFAULT NULL)
RETURNS SETOF pgr_costResult3 AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
BEGIN

    has_reverse =_pgr_parameter_check('dijkstra', edges_sql, false);

    new_sql := edges_sql;
    IF (has_reverse != has_rcost) THEN  -- user contradiction
        IF (has_reverse) THEN  -- it has reverse_cost but user don't want it.
            new_sql :=
               'WITH old_sql AS (' || edges_sql || ')' ||
                '   SELECT id, source, target, cost FROM old_sql';
        ELSE -- it does not have reverse_cost but user wants it
            RAISE EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
            USING ERRCODE := 'XX000';
        END IF;
    END IF;

    IF (restrictions_sql IS NULL OR length(restrictions_sql) = 0) THEN
        RETURN query SELECT (row_number() over())::INTEGER, path_id:: INTEGER, node::INTEGER,
            (CASE WHEN edge = -2 THEN -1 ELSE edge END)::INTEGER, cost
            FROM pgr_dijkstraVia(new_sql, via_vids, directed, strict:=true) WHERE edge != -1;
        RETURN;
    END IF;


    -- make the call without contradiction from part of the user
    RETURN query SELECT * FROM _pgr_trspViaVertices(new_sql, via_vids::INTEGER[], directed, has_rcost, restrictions_sql);
    IF NOT FOUND THEN
        RAISE EXCEPTION 'Error computing path: Path Not Found';
    END IF;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION pgr_trsp(
    sql text,
    source_eid integer,
    source_pos float8,
    target_eid integer,
    target_pos float8,
    directed boolean,
    has_reverse_cost boolean,
    turn_restrict_sql text DEFAULT null)
RETURNS SETOF pgr_costResult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
trsp_sql TEXT;
source_sql TEXT;
target_sql TEXT;
union_sql TEXT;
union_sql1 TEXT;
union_sql2 TEXT;
final_sql TEXT;

BEGIN
    has_reverse =_pgr_parameter_check('dijkstra', sql, false);

    new_sql := sql;
    IF (has_reverse != has_reverse_cost) THEN  -- user contradiction
        IF (has_reverse) THEN
            -- it has reverse_cost but user don't want it.
            -- to be on the safe side because it reads the data wrong, sending only postitive values
            new_sql :=
            'WITH old_sql AS (' || sql || ')' ||
            '   SELECT id, source, target, cost FROM old_sql';
        ELSE -- it does not have reverse_cost but user wants it
            RAISE EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
            USING ERRCODE := 'XX000';
        END IF;
    END IF;

    IF (turn_restrict_sql IS NULL OR length(turn_restrict_sql) = 0) THEN
        -- no restrictions then its a withPoints or dijkstra
        IF source_pos = 0 THEN
            source_sql = '(SELECT source FROM (' || sql || ') b WHERE id = ' ||  source_eid || ')';
        ELSE IF source_pos = 1 THEN
            source_sql = '(SELECT target FROM (' || sql || ') b WHERE id = ' || source_eid || ')';
        ELSE
            source_sql = '-1';
            union_sql1 =  '(SELECT 1 as pid, ' || source_eid || ' as edge_id, ' || source_pos || '::float8 as fraction)';
        END IF;
        END IF;
        -- raise notice 'source_sql %', source_sql;
        -- raise notice 'union_sql1 %', union_sql1;


        IF target_pos = 0 THEN
            target_sql = '(SELECT source FROM (' || sql || ') c WHERE id = ' ||  target_eid || ')';
        ELSE IF target_pos = 1 THEN
            target_sql = '(SELECT target FROM (' || sql || ') c WHERE id = ' ||  target_eid || ')';
        ELSE
            target_sql = '-2';
            union_sql2 =  ' (SELECT 2 as pid, ' || target_eid || ' as edge_id, ' || target_pos || '::float8 as fraction)';
        END IF;
        END IF;

        -- raise notice 'target_sql %', target_sql;
        -- raise notice 'union_sql2 %', union_sql2;

        IF union_sql1 IS NOT NULL AND union_sql2 IS NOT NULL THEN
            union_sql = union_sql1 || ' UNION ' || union_sql2;
        ELSE IF union_sql1 IS NOT NULL AND union_sql2 IS NULL THEN
            union_sql = union_sql1;
        ELSE IF union_sql1 IS NULL AND union_sql2 IS NOT NULL THEN
            union_sql = union_sql2;
        END IF;
        END IF;
        END IF;

        IF union_sql IS NULL THEN
            -- no points then its a dijkstra
            final_sql = 'WITH final_sql AS (
                 SELECT  a.seq-1 AS seq, node::INTEGER AS id1, edge::INTEGER AS id2, cost FROM pgr_dijkstra($$' || new_sql || '$$
                ,' || source_sql || '
                ,' || target_sql || '
                , directed := ' || directed || '
            ) a )
            SELECT seq, id1, id2, cost  FROM final_sql ORDER BY seq';
        ELSE
            -- points then its a withPoints
            final_sql = 'WITH final_sql AS (
                SELECT  a.seq-1 AS seq, node::INTEGER AS id1, edge::INTEGER AS id2, cost FROM pgr_withpoints($$' || new_sql || '$$
                , $$' || union_sql || '$$
                ,' || source_sql || '
                ,' || target_sql || '
                , directed := ' || directed || '
            ) a )
            SELECT seq, CASE WHEN seq = 0 AND ' || source_pos || '=0 THEN id1
                             WHEN seq = 0 AND ' || source_pos || '!=0 THEN -1
                             WHEN id2 = -1 AND ' || target_pos || '=0 THEN id1
                             WHEN id2 = -1 AND ' || target_pos || '!=0 THEN id1
                             ELSE id1 END AS id1, id2, cost  FROM final_sql ORDER BY seq';
        END IF;


        -- raise notice 'final_sql %', final_sql;
        RETURN QUERY EXECUTE final_sql;
        RETURN;

    END IF;

    -- with restrictions calls the original code
    RETURN query SELECT * FROM _pgr_trsp(new_sql, source_eid, source_pos, target_eid, target_pos, directed, has_reverse_cost, turn_restrict_sql);
    RETURN;

END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;

create or replace function _pgr_trspViaVertices(sql text, vids integer[], directed boolean, has_rcost boolean, turn_restrict_sql text DEFAULT NULL)
    RETURNS SETOF pgr_costresult3 AS
$body$

declare
    i integer;
    rr pgr_costresult3;
    lrr pgr_costresult3;
    lrra boolean := false;
    seq integer := 0;
    seq2 integer := 0;
    restrictions_query TEXT;

begin
    IF (turn_restrict_sql IS NULL) THEN
        RAISE EXCEPTION 'Restrictions Missing';
    END IF;

    restrictions_query = $$
    WITH old_restrictions AS ( $$ ||
        $5 || $$
    )
    SELECT ROW_NUMBER() OVER() AS id,
    _pgr_array_reverse(array_prepend(target_id, string_to_array(via_path, ',')::INTEGER[])) AS path,
    to_cost AS cost
    FROM old_restrictions;
    $$;


    -- loop through each pair of vids and compute the path
    for i in 1 .. array_length(vids, 1)-1 loop
        seq2 := seq2 + 1;
        for rr in select a.seq, seq2 as id1, a.node::INTEGER as id2, a.edge::INTEGER as id3, a.cost
                    from _pgr_trsp(sql, restrictions_query, vids[i], vids[i+1], directed) as a loop
            -- filter out the individual path ends except the last one
            -- we might not want to do this so we can know where the via points are in the path result
            -- but this needs more thought
            --raise notice 'rr: %', rr;
            if rr.id3 = -1 then
                lrr := rr;
                lrra := true;
            else
                seq := seq + 1;
                rr.seq := seq;
                return next rr;
            end if;
        end loop;
    end loop;

    if lrra then
        seq := seq + 1;
        lrr.seq := seq;
        return next lrr;
    end if;
    return;
end;
$body$
    language plpgsql stable
    cost 100
    rows 1000;




----------------------------------------------------------------------------------------------------------

create or replace function pgr_trspViaEdges(sql text, eids integer[], pcts float8[], directed boolean, has_rcost boolean, turn_restrict_sql text DEFAULT NULL::text)
    RETURNS SETOF pgr_costresult3 AS
$body$

declare
    i integer;
    rr pgr_costresult3;
    lrr pgr_costresult3;
    first boolean := true;
    seq integer := 0;
    seq2 integer :=0;
    has_reverse BOOLEAN;
    point_is_vertex BOOLEAN := false;
    edges_sql TEXT;
    f float;

begin
    has_reverse =_pgr_parameter_check('dijkstra', sql, false);
    edges_sql := sql;
    IF (has_reverse != has_rcost) THEN
        IF (NOT has_rcost) THEN
            -- user does not want to use reverse cost column
            edges_sql = 'SELECT id, source, target, cost FROM (' || sql || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    FOREACH f IN ARRAY pcts LOOP
        IF f in (0,1) THEN
           point_is_vertex := true;
        END IF;
    END LOOP;

    IF (turn_restrict_sql IS NULL OR length(turn_restrict_sql) = 0) AND NOT point_is_vertex THEN
        -- no restrictions then its a _pgr_withPointsVia
        RETURN query SELECT a.seq::INTEGER, path_id::INTEGER AS id1, node::INTEGER AS id2, edge::INTEGER AS id3, cost
        FROM _pgr_withPointsVia(edges_sql, eids, pcts, directed) a;
        RETURN;
    END IF;

    if array_length(eids, 1) != array_length(pcts, 1) then
        raise exception 'The length of arrays eids and pcts must be the same!';
    end if;

    -- loop through each pair of vids and compute the path
    for i in 1 .. array_length(eids, 1)-1 loop
        seq2 := seq2 + 1;
        for rr in select a.seq, seq2 as id1, a.id1 as id2, a.id2 as id3, a.cost
                    from pgr_trsp(edges_sql,
                                  eids[i], pcts[i],
                                  eids[i+1], pcts[i+1],
                                  directed,
                                  has_rcost,
                                  turn_restrict_sql) as a loop
            -- combine intermediate via costs when cost is split across
            -- two parts of a segment because it stops it and
            -- restarts the next leg also on it
            -- we might not want to do this so we can know where the via points are in the path result
            -- but this needs more thought
            --
            -- there are multiple condition we have to deal with
            -- between the end of one leg and start of the next
            -- 1. same vertex_id. edge_id=-1; drop record with edge_id=-1
            -- means: path ends on vertex
            -- NOTICE:  rr: (19,1,44570022,-1,0)
            -- NOTICE:  rr: (0,2,44570022,1768045,2.89691196717448)
            -- 2. vertex_id=-1; sum cost components
            -- means: path end/starts with the segment
            -- NOTICE:  rr: (11,2,44569628,1775909,9.32885885148532)
            -- NOTICE:  rr: (0,3,-1,1775909,0.771386350984395)

            --raise notice 'rr: %', rr;
            if first then
                lrr := rr;
                first := false;
            else
                if lrr.id3 = -1 then
                    lrr := rr;
                elsif lrr.id3 = rr.id3 then
                    lrr.cost := lrr.cost + rr.cost;
                    if rr.id2 = -1 then
                        rr.id2 := lrr.id2;
                    end if;
                else
                    seq := seq + 1;
                    lrr.seq := seq;
                    return next lrr;
                    lrr := rr;
                end if;
            end if;
        end loop;
    end loop;

    seq := seq + 1;
    lrr.seq := seq;
    return next lrr;
    return;
end;
$body$
    language plpgsql stable
    cost 100
    rows 1000;



----------------------------
--    MANY TO MANY
----------------------------


CREATE OR REPLACE FUNCTION _pgr_maxflow(
    edges_sql TEXT,
    sources ANYARRAY,
    targets ANYARRAY,
    algorithm INTEGER DEFAULT 1,
    only_flow BOOLEAN DEFAULT false,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'max_flow_many_to_many'
    LANGUAGE c VOLATILE;




------------------------------------
-- 3 pgr_edmondsKarp
------------------------------------


CREATE OR REPLACE FUNCTION pgr_edmondsKarp(
    TEXT,
    BIGINT,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], 3);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_edmondsKarp(
    TEXT,
    BIGINT,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], 3);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_edmondsKarp(
    TEXT,
    ANYARRAY,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], 3);
  $BODY$
  LANGUAGE sql VOLATILE;


CREATE OR REPLACE FUNCTION pgr_edmondsKarp(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], 3);
  $BODY$
  LANGUAGE sql VOLATILE;



------------------------------------
-- 2 boykov_kolmogorov
------------------------------------


CREATE OR REPLACE FUNCTION pgr_boykovKolmogorov(
    TEXT,
    BIGINT,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], 2);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_boykovKolmogorov(
    TEXT,
    BIGINT,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], 2);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_boykovKolmogorov(
    TEXT,
    ANYARRAY,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], 2);
  $BODY$
  LANGUAGE sql VOLATILE;


CREATE OR REPLACE FUNCTION pgr_boykovKolmogorov(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], 2);
  $BODY$
  LANGUAGE sql VOLATILE;



------------------------------------
-- 1 pgr_pushRelabel
------------------------------------


CREATE OR REPLACE FUNCTION pgr_pushRelabel(
    TEXT,
    BIGINT,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], 1);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_pushRelabel(
    TEXT,
    BIGINT,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], 1);
  $BODY$
  LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_pushRelabel(
    TEXT,
    ANYARRAY,
    BIGINT,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], 1);
  $BODY$
  LANGUAGE sql VOLATILE;


CREATE OR REPLACE FUNCTION pgr_pushRelabel(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
        SELECT *
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], 1);
  $BODY$
  LANGUAGE sql VOLATILE;





CREATE OR REPLACE FUNCTION pgr_maxFlow(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertices ANYARRAY
    )
  RETURNS BIGINT AS
  $BODY$
        SELECT flow
        FROM _pgr_maxflow(_pgr_get_statement($1), $2::BIGINT[], $3::BIGINT[], algorithm := 1, only_flow := true);
  $BODY$
  LANGUAGE SQL VOLATILE;



CREATE OR REPLACE FUNCTION pgr_maxFlow(
    edges_sql TEXT,
    source_vertices BIGINT,
    sink_vertices BIGINT
    )
  RETURNS BIGINT AS
  $BODY$
        SELECT *
        FROM pgr_maxflow($1, ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[]);
  $BODY$
  LANGUAGE SQL VOLATILE;



CREATE OR REPLACE FUNCTION pgr_maxFlow(
    edges_sql TEXT,
    source_vertices BIGINT,
    sink_vertices ANYARRAY
    )
  RETURNS BIGINT AS
  $BODY$
        SELECT *
        FROM pgr_maxflow($1, ARRAY[$2]::BIGINT[], $3::BIGINT[]);
  $BODY$
  LANGUAGE SQL VOLATILE;



CREATE OR REPLACE FUNCTION pgr_maxFlow(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertices BIGINT
    )
  RETURNS BIGINT AS
  $BODY$
        SELECT *
        FROM pgr_maxflow($1, $2::BIGINT[], ARRAY[$3]::BIGINT[]);
  $BODY$
  LANGUAGE SQL VOLATILE;



--FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maxCardinalityMatch(
    edges_sql TEXT,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT edge BIGINT,
    OUT source BIGINT,
    OUT target BIGINT
    )
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'maximum_cardinality_matching'
    LANGUAGE c VOLATILE;






CREATE OR REPLACE FUNCTION pgr_edgeDisjointPaths(
    TEXT,
    ANYARRAY,
    ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT
    )
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'edge_disjoint_paths_many_to_many'
    LANGUAGE c VOLATILE;



CREATE OR REPLACE FUNCTION pgr_edgeDisjointPaths(
    TEXT,
    bigint,
    bigint,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT
    )
  RETURNS SETOF RECORD AS
  $BODY$
    SELECT a.seq, a.path_id, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM pgr_edgeDisjointPaths(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], $4) AS a;
  $BODY$
LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_edgeDisjointPaths(
    TEXT,
    bigint,
    ANYARRAY,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT
    )
  RETURNS SETOF RECORD AS
  $BODY$
    SELECT a.seq, a.path_id, a.path_seq, a.end_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM pgr_edgeDisjointPaths(_pgr_get_statement($1), ARRAY[$2]::BIGINT[], $3::BIGINT[], $4) AS a;
  $BODY$
LANGUAGE sql VOLATILE;



CREATE OR REPLACE FUNCTION pgr_edgeDisjointPaths(
    TEXT,
    ANYARRAY,
    BIGINT,
    IN directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT
    )
  RETURNS SETOF RECORD AS
  $BODY$
    SELECT a.seq, a.path_id, a.path_seq, a.start_vid, a.node, a.edge, a.cost, a.agg_cost
    FROM pgr_edgeDisjointPaths(_pgr_get_statement($1), $2::BIGINT[], ARRAY[$3]::BIGINT[], $4) AS a;
  $BODY$
LANGUAGE sql VOLATILE;


CREATE OR REPLACE FUNCTION pgr_contractGraph(
    edges_sql TEXT,
    contraction_order BIGINT[],
    max_cycles integer DEFAULT 1,
    forbidden_vertices BIGINT[] DEFAULT ARRAY[]::BIGINT[],
    directed BOOLEAN DEFAULT true,
    OUT seq integer,
    OUT type TEXT,
    OUT id BIGINT,
    OUT contracted_vertices BIGINT[],
    OUT source BIGINT,
    OUT target BIGINT,
    OUT cost float)

  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'contractGraph'
    LANGUAGE c VOLATILE;



CREATE OR REPLACE FUNCTION _pgr_pickDeliver(
    TEXT, -- orders_sql
    TEXT, -- vehicles_sql
    TEXT, -- matrix_cell_sql
    factor FLOAT DEFAULT 1,
    max_cycles INTEGER DEFAULT 10,
    initial_sol INTEGER DEFAULT 4,

    OUT seq INTEGER,
    OUT vehicle_seq INTEGER,
    OUT vehicle_id BIGINT,
    OUT stop_seq INTEGER,
    OUT stop_type INTEGER,
    OUT stop_id BIGINT,
    OUT order_id BIGINT,
    OUT cargo FLOAT,
    OUT travel_time FLOAT,
    OUT arrival_time FLOAT,
    OUT wait_time FLOAT,
    OUT service_time FLOAT,
    OUT departure_time FLOAT
)

RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'pickDeliver'
LANGUAGE c VOLATILE;




CREATE OR REPLACE FUNCTION _pgr_pickDeliverEuclidean (
    TEXT, -- orders_sql
    TEXT, -- vehicles_sql
    factor FLOAT DEFAULT 1,
    max_cycles INTEGER DEFAULT 10,
    initial_sol INTEGER DEFAULT 4,

    OUT seq INTEGER,
    OUT vehicle_seq INTEGER,
    OUT vehicle_id BIGINT,
    OUT stop_seq INTEGER,
    OUT stop_type INTEGER,
    OUT order_id BIGINT,
    OUT cargo FLOAT,
    OUT travel_time FLOAT,
    OUT arrival_time FLOAT,
    OUT wait_time FLOAT,
    OUT service_time FLOAT,
    OUT departure_time FLOAT
)

  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'pickDeliverEuclidean'
    LANGUAGE c VOLATILE;




CREATE OR REPLACE FUNCTION _pgr_vrpOneDepot(
    TEXT, -- customers_sql
    TEXT, -- vehicles_sql
    TEXT, -- matrix_sql
    INTEGER, -- depot_id

    OUT seq INTEGER,
    OUT vehicle_seq INTEGER,
    OUT vehicle_id BIGINT,
    OUT stop_seq INTEGER,
    OUT stop_type INTEGER,
    OUT stop_id BIGINT,
    OUT order_id BIGINT,
    OUT cargo FLOAT,
    OUT travel_time FLOAT,
    OUT arrival_time FLOAT,
    OUT wait_time FLOAT,
    OUT service_time FLOAT,
    OUT departure_time FLOAT
)
RETURNS SETOF RECORD AS
$BODY$
DECLARE
orders_sql TEXT;
trucks_sql TEXT;
matrix_sql TEXT;
final_sql TEXT;
BEGIN

    orders_sql = $$WITH
    vrp_orders AS ($$ || $1 || $$ ),
    pickups AS (
        SELECT id, x AS p_x, y AS p_y, open_time AS p_open, close_time AS p_close, service_time AS p_service
        FROM vrp_orders
        WHERE id = $$ || $4 || $$
    )
    SELECT vrp_orders.id AS id, order_unit AS demand, pickups.id AS p_node_id, p_x, p_y, p_open, p_close, p_service,
    vrp_orders.id AS d_node_id, x AS d_x, y AS d_y, open_time AS d_open, close_time AS d_close, service_time AS d_service
    FROM vrp_orders, pickups
    WHERE vrp_orders.id != $$ || $4;


    trucks_sql = $$ WITH
    vrp_orders AS ($$ || $1 || $$ ),
    vrp_vehicles AS ($$ || $2 || $$ ),
    starts AS (
        SELECT id AS start_node_id, x AS start_x, y AS start_y, open_time AS start_open, close_time AS start_close, service_time AS start_service
        FROM vrp_orders
        WHERE id = $$ || $4 || $$
    )
    SELECT vehicle_id AS id, capacity, starts.* FROM vrp_vehicles, starts;
    $$;

    final_sql = '
    SELECT * FROM _pgr_pickDeliver(
            $$' || orders_sql || '$$,
            $$' || trucks_sql || '$$,
            $$' || $3 || '$$,
            max_cycles := 2,
            initial_sol := 4 ); ';

    RAISE DEBUG '%', orders_sql;
    RAISE DEBUG '%', trucks_sql;
    RAISE DEBUG '%', $3;
    RAISE DEBUG '%', final_sql;

    RETURN QUERY EXECUTE final_sql;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;


-----------------------------------------------------------------------
-- Core function for vrp with sigle depot computation
-- See README for description
-----------------------------------------------------------------------
--
--

create or replace function pgr_vrpOneDepot(
	order_sql text,
	vehicle_sql text,
	cost_sql text,
	depot_id integer,

	OUT oid integer,
	OUT opos integer,
	OUT vid integer,
	OUT tarrival integer,
	OUT tdepart integer)
RETURNS SETOF RECORD AS
$BODY$
BEGIN
    RETURN query SELECT order_id::INTEGER, stop_seq::INTEGER, vehicle_id::INTEGER, arrival_time::INTEGER, departure_time::INTEGER
    FROM _pgr_vrpOneDepot($1, $2,
       '
            SELECT src_id AS start_vid, dest_id AS end_vid, traveltime AS agg_cost FROM ('||$3||') AS a
       ',
        $4
    ) a;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION _pgr_gsoc_vrppdtw(
    customers_sql TEXT,
    max_vehicles INTEGER,
    capacity FLOAT,
    speed FLOAT DEFAULT 1,
    max_cycles INTEGER DEFAULT 10,

    OUT seq INTEGER,
    OUT vehicle_id INTEGER,
    OUT vehicle_seq INTEGER,
    OUT stop_id BIGINT,
    OUT travel_time FLOAT,
    OUT arrival_time FLOAT,
    OUT wait_time FLOAT,
    OUT service_time FLOAT,
    OUT departure_time FLOAT
)
RETURNS SETOF RECORD AS
$BODY$
DECLARE
    orders_sql TEXT;
    vehicles_sql TEXT;
    final_sql TEXT;
BEGIN
    orders_sql = $$WITH
        customer_data AS ($$ || customers_sql || $$ ),
        pickups AS (
            SELECT id, demand, x as p_x, y as p_y, opentime as p_open, closetime as p_close, servicetime as p_service
            FROM  customer_data WHERE pindex = 0 AND id != 0
        ),
        deliveries AS (
            SELECT pindex AS id, x as d_x, y as d_y, opentime as d_open, closetime as d_close, servicetime as d_service
            FROM  customer_data WHERE dindex = 0 AND id != 0
        )
        SELECT * FROM pickups JOIN deliveries USING(id) ORDER BY pickups.id
    $$;

    vehicles_sql = $$WITH
        customer_data AS ($$ || customers_sql || $$ )
        SELECT id, x AS start_x, y AS start_y,
            opentime AS start_open, closetime AS start_close, $$ ||
            capacity || $$ AS capacity, $$ || max_vehicles || $$ AS number, $$ || speed || $$ AS speed
            FROM customer_data WHERE id = 0 LIMIT 1
        $$;
--  seq | vehicle_id | vehicle_seq | stop_id | travel_time | arrival_time | wait_time | service_time | departure_time
    final_sql = $$ WITH
        customer_data AS ($$ || customers_sql || $$ ),
        p_deliver AS (SELECT * FROM _pgr_pickDeliverEuclidean('$$ || orders_sql || $$',  '$$ || vehicles_sql || $$',  1, $$ || max_cycles || $$ )),
        picks AS (SELECT p_deliver.*, pindex, dindex, id AS the_id FROM p_deliver JOIN customer_data ON (id = order_id AND stop_type = 2)),
        delivers AS (SELECT p_deliver.*, pindex, dindex, dindex AS the_id FROM p_deliver JOIN customer_data ON (id = order_id AND stop_type = 3)),
        depots AS (SELECT p_deliver.*, 0 as pindex, 0 as dindex, 0 AS the_id FROM p_deliver WHERE (stop_type IN (-1,1,6))),
        the_union AS (SELECT * FROM picks UNION SELECT * FROM delivers UNION SELECT * from depots)

        SELECT (row_number() over(ORDER BY a.seq))::INTEGER, vehicle_seq, a.stop_seq, the_id::BIGINT, a.travel_time, a.arrival_time, a.wait_time, a.service_time, a.departure_time
        FROM (SELECT * FROM the_union) AS a ORDER BY a.seq
        $$;
    RETURN QUERY EXECUTE final_sql;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;
CREATE OR REPLACE FUNCTION pgr_gsoc_vrppdtw(
    sql text,
    vehicle_num INTEGER,
    capacity INTEGER
)
RETURNS SETOF pgr_costresult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
customers_sql TEXT;
BEGIN
    RETURN query
         SELECT a.seq, vehicle_id::INTEGER AS id1, stop_id::INTEGER AS id2, departure_time AS cost
        FROM _pgr_gsoc_vrppdtw($1, $2, $3, 1, 30) AS a WHERE vehicle_id NOT IN (-2);
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION _pgr_withPoints(
    edges_sql TEXT,
    points_sql TEXT,
    start_pids ANYARRAY,
    end_pids ANYARRAY,
    directed BOOLEAN,
    driving_side CHAR,
    details BOOLEAN,

    only_cost BOOLEAN DEFAULT false, -- gets path
    normal BOOLEAN DEFAULT true, -- false for many to onu


    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'withPoints'
LANGUAGE c VOLATILE;




CREATE OR REPLACE FUNCTION pgr_withPoints(
    edges_sql TEXT,
    points_sql TEXT,
    start_pid BIGINT,
    end_pid BIGINT,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL
    details BOOLEAN DEFAULT false,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.seq, a.path_seq, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, ARRAY[$3]::bigint[], ARRAY[$4]::bigint[], $5, $6, $7) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_withPoints(
    edges_sql TEXT,
    points_sql TEXT,
    start_pid BIGINT,
    end_pids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL
    details BOOLEAN DEFAULT false,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT end_pid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT a.seq, a.path_seq, a.end_pid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, ARRAY[$3]::bigint[], $4::bigint[], $5, $6, $7) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION pgr_withPoints(
    edges_sql TEXT,
    points_sql TEXT,
    start_pids ANYARRAY,
    end_pid BIGINT,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL
    details BOOLEAN DEFAULT false,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_pid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT a.seq, a.path_seq, a.start_pid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, $3::bigint[], ARRAY[$4]::bigint[], $5, $6, $7, FALSE, FALSE) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION pgr_withPoints(
    edges_sql TEXT,
    points_sql TEXT,
    start_pids ANYARRAY,
    end_pids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL
    details BOOLEAN DEFAULT false,

    OUT seq INTEGER,
    OUT path_seq INTEGER,
    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT a.seq, a.path_seq, a.start_pid, a.end_pid, a.node, a.edge, a.cost, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, $3::bigint[], $4::bigint[], $5, $6, $7) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_withPointsCost(
    edges_sql TEXT,
    points_sql TEXT,
    BIGINT,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL

    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT $3, $4, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, ARRAY[$3]::BIGINT[], ARRAY[$4]::BIGINT[], $5, $6, TRUE, TRUE) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_withPointsCost(
    edges_sql TEXT,
    points_sql TEXT,
    BIGINT,
    end_pids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL

    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT $3, a.end_pid, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, ARRAY[$3]::BIGINT[], $4::BIGINT[], $5, $6, TRUE, TRUE) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_withPointsCost(
    edges_sql TEXT,
    points_sql TEXT,
    start_pids ANYARRAY,
    BIGINT,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL

    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_pid, $4, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, $3::BIGINT[], ARRAY[$4]::BIGINT[], $5, $6, TRUE, TRUE) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_withPointsCost(
    edges_sql TEXT,
    points_sql TEXT,
    start_pids ANYARRAY,
    end_pids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL

    OUT start_pid BIGINT,
    OUT end_pid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_pid, a.end_pid, a.agg_cost
    FROM _pgr_withPoints(_pgr_get_statement($1), $2, $3::BIGINT[], $4::BIGINT[], $5,  $6, TRUE, TRUE) AS a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;




CREATE OR REPLACE FUNCTION  _pgr_withPointsVia(
    sql text,
    via_edges bigint[],
    fraction float[],
    directed BOOLEAN DEFAULT TRUE,

    OUT seq INTEGER,
    OUT path_id INTEGER,
    OUT path_seq INTEGER,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT node BIGINT,
    OUT edge BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT,
    OUT route_agg_cost FLOAT)

  RETURNS SETOF RECORD AS
  $BODY$
  DECLARE
  has_rcost boolean;
  sql_new_vertices text := ' ';
  sql_on_vertex text;
  v_union text := ' ';
  dummyrec record;
  rec1 record;
  via_vertices int[];
  sql_safe text;
  new_edges text;
  BEGIN
     BEGIN
        sql_safe = 'SELECT id, source, target, cost, reverse_cost FROM ('|| sql || ') AS __a';

        EXECUTE 'select reverse_cost, pg_typeof(reverse_cost)::text as rev_type  from ('||sql_safe||' ) AS __b__ limit 1 ' INTO rec1;
        has_rcost := true;
        EXCEPTION
          WHEN OTHERS THEN
            has_rcost = false;
     END;


      IF array_length(via_edges, 1) != array_length(fraction, 1) then
        RAISE EXCEPTION 'The length of via_edges is different of length of via_edges';
      END IF;

      FOR i IN 1 .. array_length(via_edges, 1)
      LOOP
          IF fraction[i] = 0 THEN
              sql_on_vertex := 'SELECT source FROM ('|| sql || ') __a where id = ' || via_edges[i];
              EXECUTE sql_on_vertex into dummyrec;
              via_vertices[i] = dummyrec.source;
          ELSE IF fraction[i] = 1 THEN
              sql_on_vertex := 'SELECT target FROM ('|| sql || ') __a where id = ' || via_edges[i];
              EXECUTE sql_on_vertex into dummyrec;
              via_vertices[i] = dummyrec.target;
          ELSE
              via_vertices[i] = -i;
              IF has_rcost THEN
                   sql_new_vertices = sql_new_vertices || v_union ||
                          '(SELECT id, source, ' ||  -i || ' AS target, cost * ' || fraction[i] || ' AS cost,
                              reverse_cost * (1 - ' || fraction[i] || ')  AS reverse_cost
                          FROM (SELECT * FROM (' || sql || ') __b' || i || ' WHERE id = ' || via_edges[i] || ') __a' || i ||')
                             UNION
                          (SELECT id, ' ||  -i || ' AS source, target, cost * (1 -' || fraction[i] || ') AS cost,
                              reverse_cost *  ' || fraction[i] || '  AS reverse_cost
                          FROM (SELECT * FROM (' || sql || ') __b' || i || ' where id = ' || via_edges[i] || ') __a' || i ||')';
                      v_union = ' UNION ';
               ELSE
                   sql_new_vertices = sql_new_vertices || v_union ||
                          '(SELECT id, source, ' ||  -i || ' AS target, cost * ' || fraction[i] || ' AS cost
                          FROM (SELECT * FROM (' || sql || ') __b' || i || ' WHERE id = ' || via_edges[i] || ') __a' || i ||')
                             UNION
                          (SELECT id, ' ||  -i || ' AS source, target, cost * (1 -' || fraction[i] || ') AS cost
                          FROM (SELECT * FROM (' || sql || ') __b' || i || ' WHERE id = ' || via_edges[i] || ') __a' || i ||')';
                      v_union = ' UNION ';
               END IF;
          END IF;
          END IF;
     END LOOP;

     IF sql_new_vertices = ' ' THEN
         new_edges := sql;
     ELSE
         IF has_rcost THEN
            new_edges:= 'WITH
                   original AS ( ' || sql || '),
                   the_union AS ( ' || sql_new_vertices || '),
                   first_part AS ( SELECT * FROM (SELECT id, target AS source,  lead(target) OVER w  AS target,
                         lead(cost) OVER w  - cost AS cost,
                         lead(cost) OVER w  - cost AS reverse_cost
                      FROM  the_union  WHERE source > 0 AND cost > 0
                      WINDOW w AS (PARTITION BY id  ORDER BY cost ASC) ) as n2
                      WHERE target IS NOT NULL),
                   second_part AS ( SELECT * FROM (SELECT id, lead(source) OVER w  AS source, source as target,
                         reverse_cost - lead(reverse_cost) OVER w  AS cost,
                         reverse_cost - lead(reverse_cost) OVER w  AS reverse_cost
                      FROM  the_union  WHERE target > 0 and reverse_cost > 0
                      WINDOW w AS (PARTITION BY id  ORDER BY reverse_cost ASC) ) as n2
                      WHERE source IS NOT NULL),
                   more_union AS ( SELECT * from (
                       (SELECT * FROM original)
                             UNION
                       (SELECT * FROM the_union)
                             UNION
                       (SELECT * FROM first_part)
                             UNION
                       (SELECT * FROM second_part) ) _union )
                  SELECT *  FROM more_union';
         ELSE
            new_edges:= 'WITH
                   original AS ( ' || sql || '),
                   the_union AS ( ' || sql_new_vertices || '),
                   first_part AS ( SELECT * FROM (SELECT id, target AS source,  lead(target) OVER w  AS target,
                         lead(cost) OVER w  - cost AS cost
                      FROM  the_union  WHERE source > 0 AND cost > 0
                      WINDOW w AS (PARTITION BY id  ORDER BY cost ASC) ) as n2
                      WHERE target IS NOT NULL ),
                   more_union AS ( SELECT * from (
                       (SELECT * FROM original)
                             UNION
                       (SELECT * FROM the_union)
                             UNION
                       (SELECT * FROM first_part) ) _union )
                  SELECT *  FROM more_union';
          END IF;
      END IF;

 -- raise notice '%', new_edges;
     sql_new_vertices := sql_new_vertices || v_union || ' (' || sql || ')';
     RETURN query SELECT *
         FROM pgr_dijkstraVia(new_edges, via_vertices, directed, has_rcost);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_lineGraphFull(
    TEXT, -- edges_sql
    OUT seq INTEGER,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT cost FLOAT,
    OUT edge BIGINT)

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'lineGraphFull'
LANGUAGE c IMMUTABLE STRICT;


CREATE OR REPLACE FUNCTION pgr_lineGraph(
    TEXT, -- edges_sql
    directed BOOLEAN DEFAULT true,
    OUT seq INTEGER,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT cost FLOAT,
    OUT reverse_cost FLOAT)

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'lineGraph'
LANGUAGE c IMMUTABLE STRICT;


CREATE OR REPLACE FUNCTION pgr_connectedComponents(
    TEXT,                       -- edges_sql
        OUT seq INTEGER,        -- seq
    OUT component BIGINT,       -- the lowest number of the node in the component
    OUT n_seq INTEGER,          -- nth_seq of the node in the component
    OUT node BIGINT)            -- the number of the node

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'connectedComponents'
LANGUAGE c IMMUTABLE STRICT;



CREATE OR REPLACE FUNCTION pgr_strongComponents(
    TEXT,                       -- edges_sql
        OUT seq INTEGER,        -- seq
    OUT component BIGINT,       -- the lowest number of the node in the component
    OUT n_seq INTEGER,          -- nth_seq of the node in the component
    OUT node BIGINT)            -- the number of the node

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'strongComponents'
LANGUAGE c IMMUTABLE STRICT;



CREATE OR REPLACE FUNCTION pgr_biconnectedComponents(
    TEXT,                       -- edges_sql
        OUT seq INTEGER,        -- seq
    OUT component BIGINT,       -- the lowest number of the edge in the component
    OUT n_seq INTEGER,          -- nth_seq of the edge in the component
    OUT edge BIGINT)            -- the number of the edge

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'biconnectedComponents'
LANGUAGE c IMMUTABLE STRICT;



CREATE OR REPLACE FUNCTION pgr_articulationPoints(
    TEXT,                       -- edges_sql
        OUT seq INTEGER,        -- seq
    OUT node BIGINT)            -- the number of the node

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'articulationPoints'
LANGUAGE c IMMUTABLE STRICT;



CREATE OR REPLACE FUNCTION pgr_bridges(
    TEXT,                       -- edges_sql
        OUT seq INTEGER,        -- seq
    OUT edge BIGINT)            -- the number of the edge

RETURNS SETOF RECORD AS
'$libdir/libpgrouting-2.6', 'bridges'
LANGUAGE c IMMUTABLE STRICT;





CREATE OR REPLACE FUNCTION pgr_createtopology(edge_table text, tolerance double precision,
		   the_geom text default 'the_geom', id text default 'id',
		   source text default 'source', target text default 'target',rows_where text default 'true',
		   clean boolean default FALSE)
RETURNS VARCHAR AS
$BODY$

DECLARE
    points record;
    sridinfo record;
    source_id bigint;
    target_id bigint;
    totcount bigint;
    rowcount bigint;
    srid integer;
    sql text;
    sname text;
    tname text;
    tabname text;
    vname text;
    vertname text;
    gname text;
    idname text;
    sourcename text;
    targetname text;
    notincluded integer;
    i integer;
    naming record;
    info record;
    flag boolean;
    query text;
    idtype text;
    gtype text;
    sourcetype text;
    targettype text;
    debuglevel text;
    dummyRec text;
    fnName text;
    err bool;
    msgKind int;
    emptied BOOLEAN;

BEGIN
    msgKind = 1; -- notice
    fnName = 'pgr_createTopology';
    raise notice 'PROCESSING:';
    raise notice 'pgr_createTopology(''%'', %, ''%'', ''%'', ''%'', ''%'', rows_where := ''%'', clean := %)',edge_table,tolerance,the_geom,id,source,target,rows_where, clean;
    execute 'show client_min_messages' into debuglevel;


    raise notice 'Performing checks, please wait .....';

        execute 'select * from _pgr_getTableName('|| quote_literal(edge_table)
                                                  || ',2,' || quote_literal(fnName) ||' )' into naming;
        sname=naming.sname;
        tname=naming.tname;
        tabname=sname||'.'||tname;
        vname=tname||'_vertices_pgr';
        vertname= sname||'.'||vname;
        rows_where = ' AND ('||rows_where||')';
      raise DEBUG '     --> OK';


      raise debug 'Checking column names in edge table';
        select * into idname     from _pgr_getColumnName(sname, tname,id,2,fnName);
        select * into sourcename from _pgr_getColumnName(sname, tname,source,2,fnName);
        select * into targetname from _pgr_getColumnName(sname, tname,target,2,fnName);
        select * into gname      from _pgr_getColumnName(sname, tname,the_geom,2,fnName);


        err = sourcename in (targetname,idname,gname) or  targetname in (idname,gname) or idname=gname;
        perform _pgr_onError( err, 2, fnName,
               'Two columns share the same name', 'Parameter names for id,the_geom,source and target  must be different',
	       'Column names are OK');

      raise DEBUG '     --> OK';

      raise debug 'Checking column types in edge table';
        select * into sourcetype from _pgr_getColumnType(sname,tname,sourcename,1, fnName);
        select * into targettype from _pgr_getColumnType(sname,tname,targetname,1, fnName);
        select * into idtype from _pgr_getColumnType(sname,tname,idname,1, fnName);

        err = idtype not in('integer','smallint','bigint');
        perform _pgr_onError(err, 2, fnName,
	       'Wrong type of Column id:'|| idname, ' Expected type of '|| idname || ' is integer,smallint or bigint but '||idtype||' was found');

        err = sourcetype not in('integer','smallint','bigint');
        perform _pgr_onError(err, 2, fnName,
	       'Wrong type of Column source:'|| sourcename, ' Expected type of '|| sourcename || ' is integer,smallint or bigint but '||sourcetype||' was found');

        err = targettype not in('integer','smallint','bigint');
        perform _pgr_onError(err, 2, fnName,
	       'Wrong type of Column target:'|| targetname, ' Expected type of '|| targetname || ' is integer,smallint or bigint but '||targettype||' was found');

      raise DEBUG '     --> OK';

      raise debug 'Checking SRID of geometry column';
         query= 'SELECT ST_SRID(' || quote_ident(gname) || ') as srid '
            || ' FROM ' || _pgr_quote_ident(tabname)
            || ' WHERE ' || quote_ident(gname)
            || ' IS NOT NULL LIMIT 1';
         raise debug '%',query;
         EXECUTE query INTO sridinfo;

         err =  sridinfo IS NULL OR sridinfo.srid IS NULL;
         perform _pgr_onError(err, 2, fnName,
	     'Can not determine the srid of the geometry '|| gname ||' in table '||tabname, 'Check the geometry of column '||gname);

         srid := sridinfo.srid;
      raise DEBUG '     --> OK';

      raise debug 'Checking and creating indices in edge table';
        perform _pgr_createIndex(sname, tname , idname , 'btree'::text);
        perform _pgr_createIndex(sname, tname , sourcename , 'btree'::text);
        perform _pgr_createIndex(sname, tname , targetname , 'btree'::text);
        perform _pgr_createIndex(sname, tname , gname , 'gist'::text);

        gname=quote_ident(gname);
        idname=quote_ident(idname);
        sourcename=quote_ident(sourcename);
        targetname=quote_ident(targetname);
      raise DEBUG '     --> OK';





    BEGIN
        -- issue #193 & issue #210 & #213
        -- this sql is for trying out the where clause
        -- the select * is to avoid any column name conflicts
        -- limit 1, just try on first record
        -- if the where clasuse is ill formed it will be caught in the exception
        sql = 'select * from '||_pgr_quote_ident(tabname)||' WHERE true'||rows_where ||' limit 1';
        EXECUTE sql into dummyRec;
        -- end

        -- if above where clasue works this one should work
        -- any error will be caught by the exception also
        sql = 'select count(*) from '||_pgr_quote_ident(tabname)||' WHERE (' || gname || ' IS NOT NULL AND '||
	    idname||' IS NOT NULL)=false '||rows_where;
        EXECUTE SQL  into notincluded;

        if clean then
            raise debug 'Cleaning previous Topology ';
               execute 'UPDATE ' || _pgr_quote_ident(tabname) ||
               ' SET '||sourcename||' = NULL,'||targetname||' = NULL';
        else
            raise debug 'Creating topology for edges with non assigned topology';
            if rows_where=' AND (true)' then
                rows_where=  ' and ('||quote_ident(sourcename)||' is null or '||quote_ident(targetname)||' is  null)';
            end if;
        end if;
        -- my thoery is that the select Count(*) will never go through here
        EXCEPTION WHEN OTHERS THEN
             RAISE NOTICE 'Got %', SQLERRM; -- issue 210,211
             RAISE NOTICE 'ERROR: Condition is not correct, please execute the following query to test your condition';
             RAISE NOTICE '%',sql;
             RETURN 'FAIL';
    END;

    BEGIN
         raise DEBUG 'initializing %',vertname;
         execute 'select * from _pgr_getTableName('||quote_literal(vertname)
                                                  || ',0,' || quote_literal(fnName) ||' )' into naming;
         emptied = false;
         set client_min_messages  to warning;
         IF sname=naming.sname AND vname=naming.tname  THEN
            if clean then
                execute 'TRUNCATE TABLE '||_pgr_quote_ident(vertname)||' RESTART IDENTITY';
                execute 'SELECT DROPGEOMETRYCOLUMN('||quote_literal(sname)||','||quote_literal(vname)||','||quote_literal('the_geom')||')';
                emptied = true;
            end if;
         ELSE -- table doesn't exist
            execute 'CREATE TABLE '||_pgr_quote_ident(vertname)||' (id bigserial PRIMARY KEY,cnt integer,chk integer,ein integer,eout integer)';
            emptied = true;
         END IF;
         IF (emptied) THEN
             execute 'select addGeometryColumn('||quote_literal(sname)||','||quote_literal(vname)||','||
	         quote_literal('the_geom')||','|| srid||', '||quote_literal('POINT')||', 2)';
             perform _pgr_createIndex(vertname , 'the_geom'::text , 'gist'::text);
         END IF;
         execute 'select * from  _pgr_checkVertTab('||quote_literal(vertname) ||', ''{"id"}''::text[])' into naming;
         execute 'set client_min_messages  to '|| debuglevel;
         raise DEBUG  '  ------>OK';
         EXCEPTION WHEN OTHERS THEN
             RAISE NOTICE 'Got %', SQLERRM; -- issue 210,211
             RAISE NOTICE 'ERROR: something went wrong when initializing the verties table';
             RETURN 'FAIL';
    END;



    raise notice 'Creating Topology, Please wait...';
        rowcount := 0;
        FOR points IN EXECUTE 'SELECT ' || idname || '::bigint AS id,'
            || ' _pgr_StartPoint(' || gname || ') AS source,'
            || ' _pgr_EndPoint('   || gname || ') AS target'
            || ' FROM '  || _pgr_quote_ident(tabname)
            || ' WHERE ' || gname || ' IS NOT NULL AND ' || idname||' IS NOT NULL '||rows_where
        LOOP

            rowcount := rowcount + 1;
            IF rowcount % 1000 = 0 THEN
                RAISE NOTICE '% edges processed', rowcount;
            END IF;


            source_id := _pgr_pointToId(points.source, tolerance,vertname,srid);
            target_id := _pgr_pointToId(points.target, tolerance,vertname,srid);
            BEGIN
                sql := 'UPDATE ' || _pgr_quote_ident(tabname) ||
                    ' SET '||sourcename||' = '|| source_id::text || ','||targetname||' = ' || target_id::text ||
                    ' WHERE ' || idname || ' =  ' || points.id::text;

                IF sql IS NULL THEN
                    RAISE NOTICE 'WARNING: UPDATE % SET source = %, target = % WHERE % = % ', tabname, source_id::text, target_id::text, idname,  points.id::text;
                ELSE
                    EXECUTE sql;
                END IF;
                EXCEPTION WHEN OTHERS THEN
                    RAISE NOTICE '%', SQLERRM;
                    RAISE NOTICE '%',sql;
                    RETURN 'FAIL';
            end;
        END LOOP;
        raise notice '-------------> TOPOLOGY CREATED FOR  % edges', rowcount;
        RAISE NOTICE 'Rows with NULL geometry or NULL id: %',notincluded;
        Raise notice 'Vertices table for table % is: %',_pgr_quote_ident(tabname), _pgr_quote_ident(vertname);
        raise notice '----------------------------------------------';

    RETURN 'OK';
 EXCEPTION WHEN OTHERS THEN
   RAISE NOTICE 'Unexpected error %', SQLERRM; -- issue 210,211
   RETURN 'FAIL';
END;


$BODY$
LANGUAGE plpgsql VOLATILE STRICT;
COMMENT ON FUNCTION pgr_createTopology(text, double precision,text,text,text,text,text,boolean)
IS 'args: edge_table,tolerance, the_geom:=''the_geom'',source:=''source'', target:=''target'',rows_where:=''true'' - fills columns source and target in the geometry table and creates a vertices table for selected rows';









CREATE OR REPLACE FUNCTION pgr_analyzegraph(edge_table text,tolerance double precision,the_geom text default 'the_geom',id text default 'id',source text default 'source',target text default 'target',rows_where text default 'true')
RETURNS character varying AS
$BODY$

DECLARE
    points record;
    seg record;
    naming record;
    sridinfo record;
    srid integer;
    ecnt integer;
    vertname text;
    sname text;
    tname text;
    vname text;
    idname text;
    sourcename text;
    targetname text;
    sourcetype text;
    targettype text;
    geotype text;
    gname text;
    tabName text;
    flag boolean ;
    query text;
    selectionquery text;
    i integer;
    tot integer;
    NumIsolated integer;
    numdeadends integer;
    numgaps integer;
    NumCrossing integer;
    numRings integer;
    debuglevel text;




BEGIN
  raise notice 'PROCESSING:';
  raise notice 'pgr_analyzeGraph(''%'',%,''%'',''%'',''%'',''%'',''%'')',edge_table,tolerance,the_geom,id,source,target,rows_where;
  raise notice 'Performing checks, please wait ...';
  execute 'show client_min_messages' into debuglevel;


  BEGIN
    RAISE DEBUG 'Checking % exists',edge_table;
    execute 'select * from _pgr_getTableName('||quote_literal(edge_table)||',2)' into naming;
    sname=naming.sname;
    tname=naming.tname;
    tabname=sname||'.'||tname;
    vname=tname||'_vertices_pgr';
    vertname= sname||'.'||vname;
    rows_where = ' AND ('||rows_where||')';
    raise DEBUG '     --> OK';

  END;

  BEGIN
       raise debug 'Checking Vertices table';
       execute 'select * from  _pgr_checkVertTab('||quote_literal(vertname) ||', ''{"id","cnt","chk"}''::text[])' into naming;
       execute 'UPDATE '||_pgr_quote_ident(vertname)||' SET cnt=0 ,chk=0';
       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the vertices table';
          RETURN 'FAIL';
  END;



  BEGIN
       raise debug 'Checking column names in edge table';
       select * into idname     from _pgr_getColumnName(sname, tname,id,2);
       select * into sourcename from _pgr_getColumnName(sname, tname,source,2);
       select * into targetname from _pgr_getColumnName(sname, tname,target,2);
       select * into gname      from _pgr_getColumnName(sname, tname,the_geom,2);


       perform _pgr_onError( sourcename in (targetname,idname,gname) or  targetname in (idname,gname) or idname=gname, 2,
                       'pgr_analyzeGraph',  'Two columns share the same name', 'Parameter names for id,the_geom,source and target  must be different',
                       'Column names are OK');

        raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the column names';
          RETURN 'FAIL';
  END;


  BEGIN
       raise debug 'Checking column types in edge table';
       select * into sourcetype from _pgr_getColumnType(sname,tname,sourcename,1);
       select * into targettype from _pgr_getColumnType(sname,tname,targetname,1);

       perform _pgr_onError(sourcetype not in('integer','smallint','bigint') , 2,
                       'pgr_analyzeGraph',  'Wrong type of Column '|| sourcename, ' Expected type of '|| sourcename || ' is integer,smallint or bigint but '||sourcetype||' was found',
                       'Type of Column '|| sourcename || ' is ' || sourcetype);

       perform _pgr_onError(targettype not in('integer','smallint','bigint') , 2,
                       'pgr_analyzeGraph',  'Wrong type of Column '|| targetname, ' Expected type of '|| targetname || ' is integer,smallint or biginti but '||targettype||' was found',
                       'Type of Column '|| targetname || ' is ' || targettype);

       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the column types';
          RETURN 'FAIL';
   END;

   BEGIN
       raise debug 'Checking SRID of geometry column';
         query= 'SELECT ST_SRID(' || quote_ident(gname) || ') as srid '
            || ' FROM ' || _pgr_quote_ident(tabname)
            || ' WHERE ' || quote_ident(gname)
            || ' IS NOT NULL LIMIT 1';
         EXECUTE QUERY INTO sridinfo;

         perform _pgr_onError( sridinfo IS NULL OR sridinfo.srid IS NULL,2,
                 'Can not determine the srid of the geometry '|| gname ||' in table '||tabname, 'Check the geometry of column '||gname,
                 'SRID of '||gname||' is '||sridinfo.srid);

         IF sridinfo IS NULL OR sridinfo.srid IS NULL THEN
             RAISE NOTICE ' Can not determine the srid of the geometry "%" in table %', the_geom,tabname;
             RETURN 'FAIL';
         END IF;
         srid := sridinfo.srid;
         raise DEBUG '     --> OK';
         EXCEPTION WHEN OTHERS THEN
             RAISE NOTICE 'Got %', SQLERRM;--issue 210,211,213
             RAISE NOTICE 'ERROR: something went wrong when checking for SRID of % in table %', the_geom,tabname;
             RETURN 'FAIL';
    END;


    BEGIN
       raise debug 'Checking  indices in edge table';
       perform _pgr_createIndex(tabname , idname , 'btree');
       perform _pgr_createIndex(tabname , sourcename , 'btree');
       perform _pgr_createIndex(tabname , targetname , 'btree');
       perform _pgr_createIndex(tabname , gname , 'gist');

       gname=quote_ident(gname);
       sourcename=quote_ident(sourcename);
       targetname=quote_ident(targetname);
       idname=quote_ident(idname);
       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking indices';
          RETURN 'FAIL';
    END;


    BEGIN
        query='select count(*) from '||_pgr_quote_ident(tabname)||' where true  '||rows_where;
        EXECUTE query into ecnt;
        raise DEBUG '-->Rows Where condition: OK';
        raise DEBUG '     --> OK';
         EXCEPTION WHEN OTHERS THEN
            RAISE NOTICE 'Got %', SQLERRM;  --issue 210,211,213
            RAISE NOTICE 'ERROR: Condition is not correct. Please execute the following query to test your condition';
            RAISE NOTICE '%',query;
            RETURN 'FAIL';
    END;

    selectionquery ='with
           selectedRows as( (select '||sourcename||' as id from '||_pgr_quote_ident(tabname)||' where true '||rows_where||')
                           union
                           (select '||targetname||' as id from '||_pgr_quote_ident(tabname)||' where true '||rows_where||'))';





   BEGIN
       RAISE NOTICE 'Analyzing for dead ends. Please wait...';
       query= 'with countingsource as (select a.'||sourcename||' as id,count(*) as cnts
               from (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||' ) a  group by a.'||sourcename||')
                     ,countingtarget as (select a.'||targetname||' as id,count(*) as cntt
                    from (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||' ) a  group by a.'||targetname||')
                   ,totalcount as (select id,case when cnts is null and cntt is null then 0
                                                   when cnts is null then cntt
                                                   when cntt is null then cnts
                                                   else cnts+cntt end as totcnt
                                   from ('||_pgr_quote_ident(vertname)||' as a left
                                   join countingsource as t using(id) ) left join countingtarget using(id))
               update '||_pgr_quote_ident(vertname)||' as a set cnt=totcnt from totalcount as b where a.id=b.id';
       raise debug '%',query;
       execute query;
       query=selectionquery||'
              SELECT count(*)  FROM '||_pgr_quote_ident(vertname)||' WHERE cnt=1 and id in (select id from selectedRows)';
       raise debug '%',query;
       execute query  INTO numdeadends;
       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'Got %', SQLERRM;  --issue 210,211,213
          RAISE NOTICE 'ERROR: something went wrong when analizing for dead ends';
          RETURN 'FAIL';
   END;



    BEGIN
          RAISE NOTICE 'Analyzing for gaps. Please wait...';
          query = 'with
                   buffer as (select id,st_buffer(the_geom,'||tolerance||') as buff from '||_pgr_quote_ident(vertname)||' where cnt=1)
                   ,veryclose as (select b.id,st_crosses(a.'||gname||',b.buff) as flag
                   from  (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||' ) as a
                   join buffer as b on (a.'||gname||'&&b.buff)
                   where '||sourcename||'!=b.id and '||targetname||'!=b.id )
                   update '||_pgr_quote_ident(vertname)||' set chk=1 where id in (select distinct id from veryclose where flag=true)';
          raise debug '%' ,query;
          execute query;
          GET DIAGNOSTICS  numgaps= ROW_COUNT;
          raise DEBUG '     --> OK';
          EXCEPTION WHEN raise_exception THEN
            RAISE NOTICE 'ERROR: something went wrong when Analyzing for gaps';
            RETURN 'FAIL';
    END;

    BEGIN
        RAISE NOTICE 'Analyzing for isolated edges. Please wait...';
        query=selectionquery|| ' SELECT count(*) FROM (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||' )  as a,
                                                 '||_pgr_quote_ident(vertname)||' as b,
                                                 '||_pgr_quote_ident(vertname)||' as c
                            WHERE b.id in (select id from selectedRows) and a.'||sourcename||' =b.id
                            AND b.cnt=1 AND a.'||targetname||' =c.id
                            AND c.cnt=1';
        raise debug '%' ,query;
        execute query  INTO NumIsolated;
        raise DEBUG '     --> OK';
        EXCEPTION WHEN raise_exception THEN
            RAISE NOTICE 'ERROR: something went wrong when Analyzing for isolated edges';
            RETURN 'FAIL';
    END;

    BEGIN
        RAISE NOTICE 'Analyzing for ring geometries. Please wait...';
        execute 'SELECT geometrytype('||gname||')  FROM '||_pgr_quote_ident(tabname) limit 1 into geotype;
        IF (geotype='MULTILINESTRING') THEN
            query ='SELECT count(*)  FROM '||_pgr_quote_ident(tabname)||'
                                 WHERE true  '||rows_where||' and st_isRing(st_linemerge('||gname||'))';
            raise debug '%' ,query;
            execute query  INTO numRings;
        ELSE query ='SELECT count(*)  FROM '||_pgr_quote_ident(tabname)||'
                                  WHERE true  '||rows_where||' and st_isRing('||gname||')';
            raise debug '%' ,query;
            execute query  INTO numRings;
        END IF;
        raise DEBUG '     --> OK';
        EXCEPTION WHEN raise_exception THEN
            RAISE NOTICE 'ERROR: something went wrong when Analyzing for ring geometries';
            RETURN 'FAIL';
    END;

    BEGIN
        RAISE NOTICE 'Analyzing for intersections. Please wait...';
        query = 'select count(*) from (select distinct case when a.'||idname||' < b.'||idname||' then a.'||idname||'
                                                        else b.'||idname||' end,
                                                   case when a.'||idname||' < b.'||idname||' then b.'||idname||'
                                                        else a.'||idname||' end
                                    FROM (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||') as a
                                    JOIN (select * from '||_pgr_quote_ident(tabname)||' where true '||rows_where||') as b
                                    ON (a.'|| gname||' && b.'||gname||')
                                    WHERE a.'||idname||' != b.'||idname|| '
                                        and (a.'||sourcename||' in (b.'||sourcename||',b.'||targetname||')
                                              or a.'||targetname||' in (b.'||sourcename||',b.'||targetname||')) = false
                                        and st_intersects(a.'||gname||', b.'||gname||')=true) as d ';
        raise debug '%' ,query;
        execute query  INTO numCrossing;
        raise DEBUG '     --> OK';
        EXCEPTION WHEN raise_exception THEN
            RAISE NOTICE 'ERROR: something went wrong when Analyzing for intersections';
            RETURN 'FAIL';
    END;




    RAISE NOTICE '            ANALYSIS RESULTS FOR SELECTED EDGES:';
    RAISE NOTICE '                  Isolated segments: %', NumIsolated;
    RAISE NOTICE '                          Dead ends: %', numdeadends;
    RAISE NOTICE 'Potential gaps found near dead ends: %', numgaps;
    RAISE NOTICE '             Intersections detected: %',numCrossing;
    RAISE NOTICE '                    Ring geometries: %',numRings;


    RETURN 'OK';
END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;
COMMENT ON FUNCTION pgr_analyzeGraph(text,double precision,text,text,text,text,text) IS 'args: edge_table, tolerance,the_geom:=''the_geom'',id:=''id'',source column:=''source'', target column:=''target'' rows_where:=''true'' - creates a vertices table based on the geometry for selected rows';







CREATE OR REPLACE FUNCTION pgr_analyzeOneway(
   edge_table text,
   s_in_rules TEXT[],
   s_out_rules TEXT[],
   t_in_rules TEXT[],
   t_out_rules TEXT[],
   two_way_if_null boolean default true,
   oneway text default 'oneway',
   source text default 'source',
   target text default 'target')
  RETURNS text AS
$BODY$


DECLARE
    rule text;
    ecnt integer;
    instr text;
    naming record;
    sname text;
    tname text;
    tabname text;
    vname text;
    owname text;
    sourcename text;
    targetname text;
    sourcetype text;
    targettype text;
    vertname text;
    debuglevel text;


BEGIN
  raise notice 'PROCESSING:';
  raise notice 'pgr_analyzeOneway(''%'',''%'',''%'',''%'',''%'',''%'',''%'',''%'',%)',
		edge_table, s_in_rules , s_out_rules, t_in_rules, t_out_rules, oneway, source ,target,two_way_if_null ;
  execute 'show client_min_messages' into debuglevel;

  BEGIN
    RAISE DEBUG 'Checking % exists',edge_table;
    execute 'select * from _pgr_getTableName('||quote_literal(edge_table)||',2)' into naming;
    sname=naming.sname;
    tname=naming.tname;
    tabname=sname||'.'||tname;
    vname=tname||'_vertices_pgr';
    vertname= sname||'.'||vname;
    raise DEBUG '     --> OK';
    EXCEPTION WHEN raise_exception THEN
      RAISE NOTICE 'ERROR: something went wrong checking the table name';
      RETURN 'FAIL';
  END;

  BEGIN
       raise debug 'Checking Vertices table';
       execute 'select * from  _pgr_checkVertTab('||quote_literal(vertname) ||', ''{"id","ein","eout"}''::text[])' into naming;
       execute 'UPDATE '||_pgr_quote_ident(vertname)||' SET eout=0 ,ein=0';
       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the vertices table';
          RETURN 'FAIL';
  END;


  BEGIN
       raise debug 'Checking column names in edge table';
       select * into sourcename from _pgr_getColumnName(sname, tname,source,2);
       select * into targetname from _pgr_getColumnName(sname, tname,target,2);
       select * into owname from _pgr_getColumnName(sname, tname,oneway,2);


       perform _pgr_onError( sourcename in (targetname,owname) or  targetname=owname, 2,
                       '_pgr_createToplogy',  'Two columns share the same name', 'Parameter names for oneway,source and target  must be different',
                       'Column names are OK');

       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the column names';
          RETURN 'FAIL';
  END;

  BEGIN
       raise debug 'Checking column types in edge table';
       select * into sourcetype from _pgr_getColumnType(sname,tname,sourcename,1);
       select * into targettype from _pgr_getColumnType(sname,tname,targetname,1);


       perform _pgr_onError(sourcetype not in('integer','smallint','bigint') , 2,
                       '_pgr_createTopology',  'Wrong type of Column '|| sourcename, ' Expected type of '|| sourcename || ' is integer,smallint or bigint but '||sourcetype||' was found',
                       'Type of Column '|| sourcename || ' is ' || sourcetype);

       perform _pgr_onError(targettype not in('integer','smallint','bigint') , 2,
                       '_pgr_createTopology',  'Wrong type of Column '|| targetname, ' Expected type of '|| targetname || ' is integer,smallint or biginti but '||targettype||' was found',
                       'Type of Column '|| targetname || ' is ' || targettype);

       raise DEBUG '     --> OK';
       EXCEPTION WHEN raise_exception THEN
          RAISE NOTICE 'ERROR: something went wrong checking the column types';
          RETURN 'FAIL';
   END;



    RAISE NOTICE 'Analyzing graph for one way street errors.';

    rule := CASE WHEN two_way_if_null
            THEN owname || ' IS NULL OR '
            ELSE '' END;

    instr := '''' || array_to_string(s_in_rules, ''',''') || '''';
       EXECUTE 'update '||_pgr_quote_ident(vertname)||' a set ein=coalesce(ein,0)+b.cnt
      from (
         select '|| sourcename ||', count(*) as cnt
           from '|| tabname ||'
          where '|| rule || owname ||' in ('|| instr ||')
          group by '|| sourcename ||' ) b
     where a.id=b.'|| sourcename;

    RAISE NOTICE 'Analysis 25%% complete ...';

    instr := '''' || array_to_string(t_in_rules, ''',''') || '''';
    EXECUTE 'update '||_pgr_quote_ident(vertname)||' a set ein=coalesce(ein,0)+b.cnt
        from (
         select '|| targetname ||', count(*) as cnt
           from '|| tabname ||'
          where '|| rule || owname ||' in ('|| instr ||')
          group by '|| targetname ||' ) b
        where a.id=b.'|| targetname;

    RAISE NOTICE 'Analysis 50%% complete ...';

    instr := '''' || array_to_string(s_out_rules, ''',''') || '''';
    EXECUTE 'update '||_pgr_quote_ident(vertname)||' a set eout=coalesce(eout,0)+b.cnt
        from (
         select '|| sourcename ||', count(*) as cnt
           from '|| tabname ||'
          where '|| rule || owname ||' in ('|| instr ||')
          group by '|| sourcename ||' ) b
        where a.id=b.'|| sourcename;
    RAISE NOTICE 'Analysis 75%% complete ...';

    instr := '''' || array_to_string(t_out_rules, ''',''') || '''';
    EXECUTE 'update '||_pgr_quote_ident(vertname)||' a set eout=coalesce(eout,0)+b.cnt
        from (
         select '|| targetname ||', count(*) as cnt
           from '|| tabname ||'
          where '|| rule || owname ||' in ('|| instr ||')
          group by '|| targetname ||' ) b
        where a.id=b.'|| targetname;

    RAISE NOTICE 'Analysis 100%% complete ...';

    EXECUTE 'SELECT count(*)  FROM '||_pgr_quote_ident(vertname)||' WHERE ein=0 or eout=0' INTO ecnt;

    RAISE NOTICE 'Found % potential problems in directionality' ,ecnt;

    RETURN 'OK';

END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;

COMMENT ON FUNCTION pgr_analyzeOneway(text,TEXT[],TEXT[], TEXT[],TEXT[],boolean,text,text,text)
IS 'args:edge_table , s_in_rules , s_out_rules, t_in_rules , t_out_rules, two_way_if_null:= true, oneway:=''oneway'',source:= ''source'',target:=''target'' - Analizes the directionality of the edges based on the rules';








CREATE OR REPLACE FUNCTION pgr_createverticestable(
   edge_table text,
   the_geom text DEFAULT 'the_geom'::text,
   source text DEFAULT 'source'::text,
   target text DEFAULT 'target'::text,
    rows_where text DEFAULT 'true'::text
)
  RETURNS text AS
$BODY$
DECLARE
    naming record;
    sridinfo record;
    sname text;
    tname text;
    tabname text;
    vname text;
    vertname text;
    gname text;
    sourcename text;
    targetname text;
    query text;
    ecnt bigint;
    srid integer;
    sourcetype text;
    targettype text;
    sql text;
    totcount integer;
    i integer;
    notincluded integer;
    included integer;
    debuglevel text;
    dummyRec text;
    fnName text;
    err bool;


BEGIN
  fnName = 'pgr_createVerticesTable';
  raise notice 'PROCESSING:';
  raise notice 'pgr_createVerticesTable(''%'',''%'',''%'',''%'',''%'')',edge_table,the_geom,source,target,rows_where;
  execute 'show client_min_messages' into debuglevel;

  raise notice 'Performing checks, please wait .....';

  RAISE DEBUG 'Checking % exists',edge_table;
        execute 'select * from _pgr_getTableName('|| quote_literal(edge_table)
                                                  || ',2,' || quote_literal(fnName) ||' )' into naming;

    sname=naming.sname;
    tname=naming.tname;
    tabname=sname||'.'||tname;
    vname=tname||'_vertices_pgr';
    vertname= sname||'.'||vname;
    rows_where = ' AND ('||rows_where||')';
  raise debug '--> Edge table exists: OK';

  raise debug 'Checking column names';
    select * into sourcename from _pgr_getColumnName(sname, tname,source,2, fnName);
    select * into targetname from _pgr_getColumnName(sname, tname,target,2, fnName);
    select * into gname      from _pgr_getColumnName(sname, tname,the_geom,2, fnName);


    err = sourcename in (targetname,gname) or  targetname=gname;
    perform _pgr_onError(err, 2, fnName,
        'Two columns share the same name', 'Parameter names for the_geom,source and target  must be different');
  raise debug '--> Column names: OK';

  raise debug 'Checking column types in edge table';
    select * into sourcetype from _pgr_getColumnType(sname,tname,sourcename,1, fnName);
    select * into targettype from _pgr_getColumnType(sname,tname,targetname,1, fnName);


    err = sourcetype not in('integer','smallint','bigint');
    perform _pgr_onError(err, 2, fnName,
        'Wrong type of Column source: '|| sourcename, ' Expected type of '|| sourcename || ' is integer,smallint or bigint but '||sourcetype||' was found');

    err = targettype not in('integer','smallint','bigint');
    perform _pgr_onError(err, 2, fnName,
        'Wrong type of Column target: '|| targetname, ' Expected type of '|| targetname || ' is integer,smallint or biginti but '||targettype||' was found');

  raise debug '-->Column types:OK';

  raise debug 'Checking SRID of geometry column';
     query= 'SELECT ST_SRID(' || quote_ident(gname) || ') as srid '
        || ' FROM ' || _pgr_quote_ident(tabname)
        || ' WHERE ' || quote_ident(gname)
        || ' IS NOT NULL LIMIT 1';
     raise debug '%',query;
     EXECUTE query INTO sridinfo;

     err =  sridinfo IS NULL OR sridinfo.srid IS NULL;
     perform _pgr_onError(err, 2, fnName,
         'Can not determine the srid of the geometry '|| gname ||' in table '||tabname, 'Check the geometry of column '||gname);
     srid := sridinfo.srid;
  raise DEBUG '     --> OK';

  raise debug 'Checking and creating Indices';
     perform _pgr_createIndex(sname, tname , sourcename , 'btree'::text);
     perform _pgr_createIndex(sname, tname , targetname , 'btree'::text);
     perform _pgr_createIndex(sname, tname , gname , 'gist'::text);
  raise DEBUG '-->Check and create indices: OK';

     gname=quote_ident(gname);
     sourcename=quote_ident(sourcename);
     targetname=quote_ident(targetname);


  BEGIN
  raise debug 'Checking Condition';
    -- issue #193 & issue #210 & #213
    -- this sql is for trying out the where clause
    -- the select * is to avoid any column name conflicts
    -- limit 1, just try on first record
    -- if the where clasuse is ill formed it will be caught in the exception
    sql = 'select * from '||_pgr_quote_ident(tabname)||' WHERE true'||rows_where ||' limit 1';
    EXECUTE sql into dummyRec;
    -- end

    -- if above where clasue works this one should work
    -- any error will be caught by the exception also
    sql = 'select count(*) from '||_pgr_quote_ident(tabname)||' WHERE (' || gname || ' IS NULL or '||
		sourcename||' is null or '||targetname||' is null)=true '||rows_where;
    raise debug '%',sql;
    EXECUTE SQL  into notincluded;
    EXCEPTION WHEN OTHERS THEN
         RAISE NOTICE 'Got %', SQLERRM; -- issue 210,211
         RAISE NOTICE 'ERROR: Condition is not correct, please execute the following query to test your condition';
         RAISE NOTICE '%',sql;
         RETURN 'FAIL';
  END;




  BEGIN
     raise DEBUG 'initializing %',vertname;
       execute 'select * from _pgr_getTableName('||quote_literal(vertname)||',0)' into naming;
       IF sname=naming.sname  AND vname=naming.tname  THEN
           execute 'TRUNCATE TABLE '||_pgr_quote_ident(vertname)||' RESTART IDENTITY';
           execute 'SELECT DROPGEOMETRYCOLUMN('||quote_literal(sname)||','||quote_literal(vname)||','||quote_literal('the_geom')||')';
       ELSE
           set client_min_messages  to warning;
       	   execute 'CREATE TABLE '||_pgr_quote_ident(vertname)||' (id bigserial PRIMARY KEY,cnt integer,chk integer,ein integer,eout integer)';
       END IF;
       execute 'select addGeometryColumn('||quote_literal(sname)||','||quote_literal(vname)||','||
                quote_literal('the_geom')||','|| srid||', '||quote_literal('POINT')||', 2)';
       execute 'CREATE INDEX '||quote_ident(vname||'_the_geom_idx')||' ON '||_pgr_quote_ident(vertname)||'  USING GIST (the_geom)';
       execute 'set client_min_messages  to '|| debuglevel;
       raise DEBUG  '  ------>OK';
       EXCEPTION WHEN OTHERS THEN
         RAISE NOTICE 'Got %', SQLERRM; -- issue 210,211
         RAISE NOTICE 'ERROR: Initializing vertex table';
         RAISE NOTICE '%',sql;
         RETURN 'FAIL';
  END;

  BEGIN
       raise notice 'Populating %, please wait...',vertname;
       sql= 'with
		lines as ((select distinct '||sourcename||' as id, _pgr_startpoint(st_linemerge('||gname||')) as the_geom from '||_pgr_quote_ident(tabname)||
		                  ' where ('|| gname || ' IS NULL
                                    or '||sourcename||' is null
                                    or '||targetname||' is null)=false
                                     '||rows_where||')
			union (select distinct '||targetname||' as id,_pgr_endpoint(st_linemerge('||gname||')) as the_geom from '||_pgr_quote_ident(tabname)||
			          ' where ('|| gname || ' IS NULL
                                    or '||sourcename||' is null
                                    or '||targetname||' is null)=false
                                     '||rows_where||'))
		,numberedLines as (select row_number() OVER (ORDER BY id) AS i,* from lines )
		,maxid as (select id,max(i) as maxi from numberedLines group by id)
		insert into '||_pgr_quote_ident(vertname)||'(id,the_geom)  (select id,the_geom  from numberedLines join maxid using(id) where i=maxi order by id)';
       RAISE debug '%',sql;
       execute sql;
       GET DIAGNOSTICS totcount = ROW_COUNT;

       sql = 'select count(*) from '||_pgr_quote_ident(tabname)||' a, '||_pgr_quote_ident(vertname)||' b
            where '||sourcename||'=b.id and '|| targetname||' in (select id from '||_pgr_quote_ident(vertname)||')';
       RAISE debug '%',sql;
       execute sql into included;



       execute 'select max(id) from '||_pgr_quote_ident(vertname) into ecnt;
       execute 'SELECT setval('||quote_literal(vertname||'_id_seq')||','||coalesce(ecnt,1)||' , false)';
       raise notice '  ----->   VERTICES TABLE CREATED WITH  % VERTICES', totcount;
       raise notice '                                       FOR   %  EDGES', included+notincluded;
       RAISE NOTICE '  Edges with NULL geometry,source or target: %',notincluded;
       RAISE NOTICE '                            Edges processed: %',included;
       Raise notice 'Vertices table for table % is: %',_pgr_quote_ident(tabname),_pgr_quote_ident(vertname);
       raise notice '----------------------------------------------';
    END;

    RETURN 'OK';
 EXCEPTION WHEN OTHERS THEN
   RAISE NOTICE 'Unexpected error %', SQLERRM; -- issue 210,211
   RETURN 'FAIL';
END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;

COMMENT ON FUNCTION pgr_createVerticesTable(text,text,text,text,text)
IS 'args: edge_table, the_geom:=''the_geom'',source:=''source'', target:=''target'' rows_where:=''true'' - creates a vertices table based on the source and target identifiers for selected rows';


CREATE OR REPLACE FUNCTION pgr_nodeNetwork(edge_table text, tolerance double precision,
			id text default 'id', the_geom text default 'the_geom', table_ending text default 'noded',
            rows_where text DEFAULT ''::text, outall boolean DEFAULT false) RETURNS text AS
$BODY$
DECLARE
	
	p_num int := 0;
	p_ret text := '';
    pgis_ver_old boolean := _pgr_versionless(postgis_lib_version(), '2.1.0.0');
    vst_line_substring text;
    vst_line_locate_point text;
    intab text;
    outtab text;
    n_pkey text;
    n_geom text;
    naming record;
    sname text;
    tname text;
    outname text;
    srid integer;
    sridinfo record;
    splits bigint;
    touched bigint;
    untouched bigint;
    geomtype text;
    debuglevel text;
    rows_where text;


BEGIN
  raise notice 'PROCESSING:';
  raise notice 'pgr_nodeNetwork(''%'', %, ''%'', ''%'', ''%'', ''%'',  %)',
    edge_table, tolerance, id,  the_geom, table_ending, rows_where, outall;
  raise notice 'Performing checks, please wait .....';
  execute 'show client_min_messages' into debuglevel;

  BEGIN
    RAISE DEBUG 'Checking % exists',edge_table;
    execute 'select * from _pgr_getTableName('||quote_literal(edge_table)||',0)' into naming;
    sname=naming.sname;
    tname=naming.tname;
    IF sname IS NULL OR tname IS NULL THEN
	RAISE NOTICE '-------> % not found',edge_table;
        RETURN 'FAIL';
    ELSE
	RAISE DEBUG '  -----> OK';
    END IF;

    intab=sname||'.'||tname;
    outname=tname||'_'||table_ending;
    outtab= sname||'.'||outname;
    rows_where = CASE WHEN length(rows_where) > 2 and not outall THEN ' AND (' || rows_where || ')' ELSE '' END;
    rows_where = CASE WHEN length(rows_where) > 2 THEN ' WHERE (' || rows_where || ')' ELSE '' END;
  END;

  BEGIN
       raise DEBUG 'Checking id column "%" columns in  % ',id,intab;
       EXECUTE 'select _pgr_getColumnName('||quote_literal(intab)||','||quote_literal(id)||')' INTO n_pkey;
       IF n_pkey is NULL then
          raise notice  'ERROR: id column "%"  not found in %',id,intab;
          RETURN 'FAIL';
       END IF;
  END;


  BEGIN
       raise DEBUG 'Checking id column "%" columns in  % ',the_geom,intab;
       EXECUTE 'select _pgr_getColumnName('||quote_literal(intab)||','||quote_literal(the_geom)||')' INTO n_geom;
       IF n_geom is NULL then
          raise notice  'ERROR: the_geom  column "%"  not found in %',the_geom,intab;
          RETURN 'FAIL';
       END IF;
  END;

  IF n_pkey=n_geom THEN
	raise notice  'ERROR: id and the_geom columns have the same name "%" in %',n_pkey,intab;
        RETURN 'FAIL';
  END IF;

  BEGIN
       	raise DEBUG 'Checking the SRID of the geometry "%"', n_geom;
       	EXECUTE 'SELECT ST_SRID(' || quote_ident(n_geom) || ') as srid '
          		|| ' FROM ' || _pgr_quote_ident(intab)
          		|| ' WHERE ' || quote_ident(n_geom)
          		|| ' IS NOT NULL LIMIT 1' INTO sridinfo;
       	IF sridinfo IS NULL OR sridinfo.srid IS NULL THEN
        	RAISE NOTICE 'ERROR: Can not determine the srid of the geometry "%" in table %', n_geom,intab;
           	RETURN 'FAIL';
       	END IF;
       	srid := sridinfo.srid;
       	raise DEBUG '  -----> SRID found %',srid;
       	EXCEPTION WHEN OTHERS THEN
           		RAISE NOTICE 'ERROR: Can not determine the srid of the geometry "%" in table %', n_geom,intab;
           		RETURN 'FAIL';
  END;

    BEGIN
      RAISE DEBUG 'Checking "%" column in % is indexed',n_pkey,intab;
      if (_pgr_isColumnIndexed(intab,n_pkey)) then
	RAISE DEBUG '  ------>OK';
      else
        RAISE DEBUG ' ------> Adding  index "%_%_idx".',n_pkey,intab;

	set client_min_messages  to warning;
        execute 'create  index '||tname||'_'||n_pkey||'_idx on '||_pgr_quote_ident(intab)||' using btree('||quote_ident(n_pkey)||')';
	execute 'set client_min_messages  to '|| debuglevel;
      END IF;
    END;

    BEGIN
      RAISE DEBUG 'Checking "%" column in % is indexed',n_geom,intab;
      if (_pgr_iscolumnindexed(intab,n_geom)) then
	RAISE DEBUG '  ------>OK';
      else
        RAISE DEBUG ' ------> Adding unique index "%_%_gidx".',intab,n_geom;
	set client_min_messages  to warning;
        execute 'CREATE INDEX '
            || quote_ident(tname || '_' || n_geom || '_gidx' )
            || ' ON ' || _pgr_quote_ident(intab)
            || ' USING gist (' || quote_ident(n_geom) || ')';
	execute 'set client_min_messages  to '|| debuglevel;
      END IF;
    END;
---------------
    BEGIN
       raise DEBUG 'initializing %',outtab;
       execute 'select * from _pgr_getTableName('||quote_literal(outtab)||',0)' into naming;
       IF sname=naming.sname  AND outname=naming.tname  THEN
           execute 'TRUNCATE TABLE '||_pgr_quote_ident(outtab)||' RESTART IDENTITY';
           execute 'SELECT DROPGEOMETRYCOLUMN('||quote_literal(sname)||','||quote_literal(outname)||','||quote_literal(n_geom)||')';
       ELSE
	   set client_min_messages  to warning;
       	   execute 'CREATE TABLE '||_pgr_quote_ident(outtab)||' (id bigserial PRIMARY KEY,old_id integer,sub_id integer,
								source bigint,target bigint)';
       END IF;
       execute 'select geometrytype('||quote_ident(n_geom)||') from  '||_pgr_quote_ident(intab)||' limit 1' into geomtype;
       execute 'select addGeometryColumn('||quote_literal(sname)||','||quote_literal(outname)||','||
                quote_literal(n_geom)||','|| srid||', '||quote_literal(geomtype)||', 2)';
       execute 'CREATE INDEX '||quote_ident(outname||'_'||n_geom||'_idx')||' ON '||_pgr_quote_ident(outtab)||'  USING GIST ('||quote_ident(n_geom)||')';
	execute 'set client_min_messages  to '|| debuglevel;
       raise DEBUG  '  ------>OK';
    END;
----------------


  raise notice 'Processing, please wait .....';


    if pgis_ver_old then
        vst_line_substring    := 'st_line_substring';
        vst_line_locate_point := 'st_line_locate_point';
    else
        vst_line_substring    := 'st_linesubstring';
        vst_line_locate_point := 'st_linelocatepoint';
    end if;

--    -- First creates temp table with intersection points
    p_ret = 'create temp table intergeom on commit drop as (
        select l1.' || quote_ident(n_pkey) || ' as l1id,
               l2.' || quote_ident(n_pkey) || ' as l2id,
	       l1.' || quote_ident(n_geom) || ' as line,
	       _pgr_startpoint(l2.' || quote_ident(n_geom) || ') as source,
	       _pgr_endpoint(l2.' || quote_ident(n_geom) || ') as target,
               st_intersection(l1.' || quote_ident(n_geom) || ', l2.' || quote_ident(n_geom) || ') as geom
        from (SELECT * FROM ' || _pgr_quote_ident(intab) || rows_where || ') as l1
             join (SELECT * FROM ' || _pgr_quote_ident(intab) || rows_where || ') as l2
             on (st_dwithin(l1.' || quote_ident(n_geom) || ', l2.' || quote_ident(n_geom) || ', ' || tolerance || '))'||
        'where l1.' || quote_ident(n_pkey) || ' <> l2.' || quote_ident(n_pkey)||' and
	st_equals(_pgr_startpoint(l1.' || quote_ident(n_geom) || '),_pgr_startpoint(l2.' || quote_ident(n_geom) || '))=false and
	st_equals(_pgr_startpoint(l1.' || quote_ident(n_geom) || '),_pgr_endpoint(l2.' || quote_ident(n_geom) || '))=false and
	st_equals(_pgr_endpoint(l1.' || quote_ident(n_geom) || '),_pgr_startpoint(l2.' || quote_ident(n_geom) || '))=false and
	st_equals(_pgr_endpoint(l1.' || quote_ident(n_geom) || '),_pgr_endpoint(l2.' || quote_ident(n_geom) || '))=false  )';
    raise debug '%',p_ret;
    EXECUTE p_ret;

    -- second temp table with locus (index of intersection point on the line)
    -- to avoid updating the previous table
    -- we keep only intersection points occurring onto the line, not at one of its ends
--    drop table if exists inter_loc;

--HAD TO CHANGE THIS QUERY
-- p_ret= 'create temp table inter_loc on commit drop as (
--        select l1id, l2id, ' || vst_line_locate_point || '(line,point) as locus from (
--        select DISTINCT l1id, l2id, line, (ST_DumpPoints(geom)).geom as point from intergeom) as foo
--        where ' || vst_line_locate_point || '(line,point)<>0 and ' || vst_line_locate_point || '(line,point)<>1)';
    p_ret= 'create temp table inter_loc on commit drop as ( select * from (
        (select l1id, l2id, ' || vst_line_locate_point || '(line,source) as locus from intergeom)
         union
        (select l1id, l2id, ' || vst_line_locate_point || '(line,target) as locus from intergeom)) as foo
        where locus<>0 and locus<>1)';
    raise debug  '%',p_ret;
    EXECUTE p_ret;

    -- index on l1id
    create index inter_loc_id_idx on inter_loc(l1id);

    -- Then computes the intersection on the lines subset, which is much smaller than full set
    -- as there are very few intersection points

--- outab needs to be formally created with id, old_id, subid,the_geom, source,target
---  so it can be inmediatly be used with createTopology

--   EXECUTE 'drop table if exists ' || _pgr_quote_ident(outtab);
--   EXECUTE 'create table ' || _pgr_quote_ident(outtab) || ' as
     P_RET = 'insert into '||_pgr_quote_ident(outtab)||' (old_id,sub_id,'||quote_ident(n_geom)||') (  with cut_locations as (
           select l1id as lid, locus
           from inter_loc
           -- then generates start and end locus for each line that have to be cut buy a location point
           UNION ALL
           select i.l1id  as lid, 0 as locus
           from inter_loc i left join ' || _pgr_quote_ident(intab) || ' b on (i.l1id = b.' || quote_ident(n_pkey) || ')
           UNION ALL
           select i.l1id  as lid, 1 as locus
           from inter_loc i left join ' || _pgr_quote_ident(intab) || ' b on (i.l1id = b.' || quote_ident(n_pkey) || ')
           order by lid, locus
       ),
       -- we generate a row_number index column for each input line
       -- to be able to self-join the table to cut a line between two consecutive locations
       loc_with_idx as (
           select lid, locus, row_number() over (partition by lid order by locus) as idx
           from cut_locations
       )
       -- finally, each original line is cut with consecutive locations using linear referencing functions
       select l.' || quote_ident(n_pkey) || ', loc1.idx as sub_id, ' || vst_line_substring || '(l.' || quote_ident(n_geom) || ', loc1.locus, loc2.locus) as ' || quote_ident(n_geom) || '
       from loc_with_idx loc1 join loc_with_idx loc2 using (lid) join ' || _pgr_quote_ident(intab) || ' l on (l.' || quote_ident(n_pkey) || ' = loc1.lid)
       where loc2.idx = loc1.idx+1
           -- keeps only linestring geometries
           and geometryType(' || vst_line_substring || '(l.' || quote_ident(n_geom) || ', loc1.locus, loc2.locus)) = ''LINESTRING'') ';
    raise debug  '%',p_ret;
    EXECUTE p_ret;
	GET DIAGNOSTICS splits = ROW_COUNT;
        execute 'with diff as (select distinct old_id from '||_pgr_quote_ident(outtab)||' )
                 select count(*) from diff' into touched;
	-- here, it misses all original line that did not need to be cut by intersection points: these lines
	-- are already clean
	-- inserts them in the final result: all lines which gid is not in the res table.
	EXECUTE 'insert into ' || _pgr_quote_ident(outtab) || ' (old_id , sub_id, ' || quote_ident(n_geom) || ')
                ( with used as (select distinct old_id from '|| _pgr_quote_ident(outtab)||')
		select ' ||  quote_ident(n_pkey) || ', 1 as sub_id, ' ||  quote_ident(n_geom) ||
		' from '|| _pgr_quote_ident(intab) ||' where  '||quote_ident(n_pkey)||' not in (select * from used)' || rows_where || ')';
	GET DIAGNOSTICS untouched = ROW_COUNT;

	raise NOTICE '  Split Edges: %', touched;
	raise NOTICE ' Untouched Edges: %', untouched;
	raise NOTICE '     Total original Edges: %', touched+untouched;
        RAISE NOTICE ' Edges generated: %', splits;
	raise NOTICE ' Untouched Edges: %',untouched;
	raise NOTICE '       Total New segments: %', splits+untouched;
        RAISE NOTICE ' New Table: %', outtab;
        RAISE NOTICE '----------------------------------';

    drop table  if exists intergeom;
    drop table if exists inter_loc;
    RETURN 'OK';
END;
$BODY$
    LANGUAGE 'plpgsql' VOLATILE STRICT COST 100;


COMMENT ON FUNCTION pgr_nodeNetwork(text, double precision, text, text, text, text, boolean )
 IS  'edge_table, tolerance, id:=''id'', the_geom:=''the_geom'', table_ending:=''noded'' ';


CREATE OR REPLACE FUNCTION pgr_labelGraph(
                edge_table text,
                id text default 'id',
                source text default 'source',
                target text default 'target',
                subgraph text default 'subgraph',
                rows_where text default 'true'
        )
        RETURNS character varying AS
$BODY$

DECLARE
        naming record;
        schema_name text;
        table_name text;
        garbage text;
        incre integer;
        table_schema_name text;
        query text;
        ecnt integer;
        sql1 text;
        rec1 record;
        sql2 text;
        rec2 record;
        rec_count record;
        rec_single record;
        graph_id integer;
        gids int [];

BEGIN
        raise notice 'Processing:';
        raise notice 'pgr_brokenGraph(''%'',''%'',''%'',''%'',''%'',''%'')', edge_table,id,source,target,subgraph,rows_where;
        raise notice 'Performing initial checks, please hold on ...';

        Raise Notice 'Starting - Checking table ...';
        BEGIN
                raise debug 'Checking % table existance', edge_table;
                execute 'select * from pgr_getTableName('|| quote_literal(edge_table) ||')' into naming;
                schema_name = naming.sname;
                table_name = naming.tname;
                table_schema_name = schema_name||'.'||table_name;
                IF schema_name is null then
                        raise notice 'no schema';
                        return 'FAIL';
                else
                        if table_name is null then
                                raise notice 'no table';
                                return 'FAIL';
                        end if;
                end if;
        END;
        Raise Notice 'Ending - Checking table';

        Raise Notice 'Starting - Checking columns';
        BEGIN
                raise debug 'Checking exitance of necessary columns inside % table', edge_table;
                execute 'select * from pgr_isColumnInTable('|| quote_literal(table_schema_name) ||', '|| quote_literal(id) ||')' into naming;
                if naming.pgr_iscolumnintable = 'f' then
                        raise notice 'no id column';
                        return 'FAIL';
                end if;
                execute 'select * from pgr_isColumnInTable('|| quote_literal(table_schema_name) ||', '|| quote_literal(source) ||')' into naming;
                if naming.pgr_iscolumnintable = 'f' then
                        raise notice 'no source column';
                        return 'FAIL';
                end if;
                execute 'select * from pgr_isColumnInTable('|| quote_literal(table_schema_name) ||', '|| quote_literal(target) ||')' into naming;
                if naming.pgr_iscolumnintable = 'f' then
                        raise notice 'no target column';
                        return 'FAIL';
                end if;
                execute 'select * from pgr_isColumnInTable('|| quote_literal(table_schema_name) ||', '|| quote_literal(subgraph) ||')' into naming;
                if naming.pgr_iscolumnintable = 't' then
                        raise notice 'subgraph column already in the table';
                        return 'FAIL';
                end if;
        END;
        Raise Notice 'Ending - Checking columns';

        Raise Notice 'Starting - Checking rows_where condition';
        BEGIN
                raise debug 'Checking rows_where condition';
                query='select count(*) from '|| pgr_quote_ident(table_schema_name) ||' where '|| rows_where;
                execute query into ecnt;
                raise debug '-->Rows where condition: OK';
                raise debug '    --> OK';
                EXCEPTION WHEN OTHERS THEN
                        raise notice 'Got %', SQLERRM;
                        Raise notice 'ERROR: Condition is not correct. Please execute the following query to test your condition';
                        Raise notice '%', query;
                        return 'FAIL';
        END;
        Raise Notice 'Ending - Checking rows_where condition';

        garbage := 'garbage001';
        incre := 1;
        Raise Notice 'Starting - Checking temporary column';
        Begin
                raise debug 'Checking Checking temporary columns existance';

                While True
                        Loop
                                execute 'select * from pgr_isColumnInTable('|| quote_literal(table_schema_name) ||', '|| quote_literal(garbage) ||')' into naming;
                                If naming.pgr_iscolumnintable = 't' THEN
                                        incre := incre + 1;
                                        garbage := 'garbage00'||incre||'';
                                ELSE
                                        EXIT;
                                END IF;
                        End Loop;
        End;
        Raise Notice 'Ending - Checking temporary column';

        Raise Notice 'Starting - Calculating subgraphs';
        BEGIN
                --------- Add necessary columns ----------
                EXECUTE 'ALTER TABLE '|| pgr_quote_ident(table_schema_name) ||' ADD COLUMN ' || pgr_quote_ident(subgraph) || ' INTEGER DEFAULT -1';
                EXECUTE 'ALTER TABLE '|| pgr_quote_ident(table_schema_name) ||' ADD COLUMN ' || pgr_quote_ident(garbage) || ' INTEGER DEFAULT 0';
                graph_id := 1;

                EXECUTE 'select count(*) as count from '|| pgr_quote_ident(table_schema_name) ||' where '|| rows_where ||'' into rec_count;
                if rec_count.count = 0 then
                        RETURN 'rows_where condition generated 0 rows';
                end if;

                WHILE TRUE
                        LOOP
                                ---------- Assign the very first -1 row graph_id ----------
                                EXECUTE 'SELECT ' || pgr_quote_ident(id) || ' AS gid FROM '|| pgr_quote_ident(table_schema_name) ||' WHERE '|| rows_where ||' AND ' || pgr_quote_ident(subgraph) || ' = -1 LIMIT 1' INTO rec_single;
                                EXECUTE 'UPDATE '|| pgr_quote_ident(table_schema_name) ||' SET ' || pgr_quote_ident(subgraph) || ' = ' || graph_id || ' WHERE ' || pgr_quote_ident(id) || ' = ' || rec_single.gid || '';

                                --------- Search other rows with that particular graph_id -----------
                                WHILE TRUE
                                        LOOP
                                                EXECUTE 'SELECT COUNT(*) FROM '|| pgr_quote_ident(table_schema_name) ||' WHERE ' || pgr_quote_ident(subgraph) || ' = ' || graph_id || ' AND ' || pgr_quote_ident(garbage) || ' = 0' into rec_count;
                                                ----------- The following if else will check those rows which already have entertained ------------
                                                IF (rec_count.count > 0) THEN
                                                        sql1 := 'SELECT ' || pgr_quote_ident(id) || ' AS gid, ' || pgr_quote_ident(source) || ' AS source, ' || pgr_quote_ident(target) || ' AS target FROM '|| pgr_quote_ident(table_schema_name) ||' WHERE ' || pgr_quote_ident(subgraph) || ' = ' || graph_id || ' AND ' || pgr_quote_ident(garbage) || ' = 0';
                                                        FOR rec1 IN EXECUTE sql1
                                                                LOOP
                                                                        sql2 := 'SELECT ' || pgr_quote_ident(id) || ' AS gid, ' || pgr_quote_ident(source) || ' AS source, ' || pgr_quote_ident(target) || ' AS target FROM '|| pgr_quote_ident(table_schema_name) ||' WHERE '|| pgr_quote_ident(source) ||' = '|| rec1.source ||' OR '|| pgr_quote_ident(target) ||' = '|| rec1.source ||' OR '|| pgr_quote_ident(source) ||' = '|| rec1.target ||' OR '|| pgr_quote_ident(target) ||' = '|| rec1.target ||'';
                                                                        FOR rec2 IN EXECUTE sql2
                                                                                LOOP
                                                                                        EXECUTE 'UPDATE '|| pgr_quote_ident(table_schema_name) ||' SET ' || pgr_quote_ident(subgraph) || ' = ' || graph_id || ' WHERE ' || pgr_quote_ident(id) || ' = ' || rec2.gid || '';
                                                                                END LOOP;
                                                                        EXECUTE 'UPDATE '|| pgr_quote_ident(table_schema_name) ||' SET ' || pgr_quote_ident(garbage) || ' = 1 WHERE ' || pgr_quote_ident(id) || ' = ' || rec1.gid || '';
                                                                END LOOP;
                                                ELSE
                                                        EXIT;
                                                END IF;
                                        END LOOP;

                                ------ Following is to exit the while loop. 0 means no more -1 id.
                                EXECUTE 'SELECT COUNT(*) AS count FROM '|| pgr_quote_ident(table_schema_name) ||' WHERE '|| rows_where ||' AND ' || pgr_quote_ident(subgraph) || ' = -1' INTO rec_count;
                                If (rec_count.count = 0) THEN
                                        EXIT;
                                ELSE
                                        graph_id := graph_id + 1;
                                END IF;
                        END LOOP;

                ----------- Drop garbage column ------------
                EXECUTE 'ALTER TABLE '|| pgr_quote_ident(table_schema_name) ||' DROP COLUMN ' || pgr_quote_ident(garbage) ||'';
                Raise Notice 'Successfully complicated calculating subgraphs';
        END;
        Raise Notice 'Ending - Calculating subgraphs';

        RETURN 'OK';

END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;




CREATE OR REPLACE FUNCTION pgr_withPointsCostMatrix(
    edges_sql TEXT,
    points_sql TEXT,
    pids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    driving_side CHAR DEFAULT 'b', -- 'r'/'l'/'b'/NULL

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
BEGIN
    RETURN query SELECT a.start_pid, a.end_pid, a.agg_cost
        FROM _pgr_withPoints($1, $2, $3, $3, $4,  $5, TRUE, TRUE) AS a;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;



--  DIJKSTRA DMatrix



CREATE OR REPLACE FUNCTION pgr_dijkstraCostMatrix(edges_sql TEXT, vids ANYARRAY, directed BOOLEAN DEFAULT true,
    OUT start_vid BIGINT, OUT end_vid BIGINT, OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
BEGIN
    RETURN query SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_dijkstra(_pgr_get_statement($1), $2, $2, $3, true) a;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;






--  BIDIRECTIONAL DIJKSTRA Matrix


CREATE OR REPLACE FUNCTION pgr_bdDijkstraCostMatrix(edges_sql TEXT, vids ANYARRAY, directed BOOLEAN DEFAULT true,
    OUT start_vid BIGINT, OUT end_vid BIGINT, OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdDijkstra(_pgr_get_statement($1), $2::BIGINT[], $2::BIGINT[], $3, true) a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;





CREATE OR REPLACE FUNCTION pgr_astarCostMatrix(
    edges_sql TEXT, -- XY edges sql
    vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor FLOAT DEFAULT 1.0,
    epsilon FLOAT DEFAULT 1.0,
    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost FLOAT)

RETURNS SETOF RECORD AS
$BODY$
BEGIN
    RETURN query SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_astar(_pgr_get_statement($1), $2, $2, $3, $4, $5::FLOAT, $6::FLOAT, true) a;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;




--  BIDIRECTIONAL ASTAR Matrix


CREATE OR REPLACE FUNCTION pgr_bdAstarCostMatrix(
    edges_sql TEXT,
    vids ANYARRAY,
    directed BOOLEAN DEFAULT true,
    heuristic INTEGER DEFAULT 5,
    factor NUMERIC DEFAULT 1.0,
    epsilon NUMERIC DEFAULT 1.0,

    OUT start_vid BIGINT,
    OUT end_vid BIGINT,
    OUT agg_cost float)
RETURNS SETOF RECORD AS
$BODY$
    SELECT a.start_vid, a.end_vid, a.agg_cost
    FROM _pgr_bdAstar(_pgr_get_statement($1), $2::BIGINT[], $2::BIGINT[], $3, $4, $5::FLOAT, $6::FLOAT, true) a;
$BODY$
LANGUAGE sql VOLATILE
COST 100
ROWS 1000;
COMMENT ON FUNCTION pgr_bdAstarCostMatrix(TEXT, ANYARRAY, BOOLEAN, INTEGER, NUMERIC, NUMERIC) IS 'pgr_bdAstarCostMatrix';






CREATE OR REPLACE FUNCTION pgr_getTableName(IN tab text,OUT sname text,OUT tname text)
RETURNS RECORD AS
$BODY$
BEGIN
    raise notice 'pgr_getTableName: This function will no longer be soported';
    select * from _pgr_getTableName(tab, 0, 'pgr_getTableName') into sname,tname;
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;

CREATE OR REPLACE FUNCTION pgr_getColumnName(tab text, col text)
RETURNS text AS
$BODY$
BEGIN
    raise notice 'pgr_getColumnName: This function will no longer be soported';
    return _pgr_getColumnName(tab,col, 0, 'pgr_getColumnName');
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;

CREATE OR REPLACE FUNCTION pgr_isColumnInTable(tab text, col text)
RETURNS boolean AS
$BODY$
DECLARE
    cname text;
BEGIN
    raise notice 'pgr_isColumnInTable: This function will no longer be soported';
    select * from _pgr_getColumnName(tab,col,0, 'pgr_isColumnInTable') into cname;
    return  cname IS not NULL;
END;
$BODY$
  LANGUAGE plpgsql VOLATILE STRICT;

CREATE OR REPLACE FUNCTION pgr_isColumnIndexed(tab text, col text)
RETURNS boolean AS
$BODY$
BEGIN
    raise notice 'pgr_isColumnIndexed: This function will no longer be soported';
    return  _pgr_isColumnIndexed(tab,col);
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;


create or replace function pgr_quote_ident(idname text)
returns text as
$BODY$
BEGIN
    raise notice 'pgr_isColumnInTable: This function will no longer be soported';
    return  _pgr_quote_ident(idname);
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;

CREATE OR REPLACE FUNCTION pgr_versionless(v1 text, v2 text)
RETURNS boolean AS
$BODY$
BEGIN
    raise notice 'pgr_versionless: This function will no longer be soported';
    return  _pgr_versionless(v1,v2);
END;
$BODY$
LANGUAGE plpgsql VOLATILE STRICT;

create or replace function pgr_startPoint(g geometry)
    returns geometry as
$body$
BEGIN
    raise notice 'pgr_startPoint: This function will no longer be soported';
    return  _pgr_startPoint(g);
END;
$body$
language plpgsql IMMUTABLE;



create or replace function pgr_endPoint(g geometry)
    returns geometry as
$body$
BEGIN
    raise notice 'pgr_endPoint: This function will no longer be soported';
    return  _pgr_endPoint(g);
END;
$body$
language plpgsql IMMUTABLE;



CREATE OR REPLACE FUNCTION pgr_apspJohnson(edges_sql text)
    RETURNS SETOF pgr_costResult AS
  $BODY$
  DECLARE
  has_reverse boolean;
  sql TEXT;
  BEGIN
      RAISE NOTICE 'Deprecated function: Use pgr_johnson instead';
      has_reverse =_pgr_parameter_check('johnson', edges_sql, false);
      sql = edges_sql;
      IF (has_reverse) THEN
           RAISE NOTICE 'reverse_cost column found, removing.';
           sql = 'SELECT source, target, cost FROM (' || edges_sql || ') a';
      END IF;

      RETURN query
         SELECT (row_number() over () - 1)::integer as seq, start_vid::integer AS id1, end_vid::integer AS id2, agg_cost AS cost
         FROM  pgr_johnson(sql, TRUE);
  END
$BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;




CREATE OR REPLACE FUNCTION pgr_apspWarshall(edges_sql text, directed boolean, has_rcost boolean)
    RETURNS SETOF pgr_costResult AS
  $BODY$
  DECLARE
  has_reverse boolean;
  sql TEXT;
  BEGIN
      RAISE NOTICE 'Deprecated function: Use pgr_floydWarshall instead';
      has_reverse =_pgr_parameter_check('dijkstra', edges_sql, false);
      sql := edges_sql;
      IF (has_reverse != has_rcost) THEN
         IF (has_reverse) THEN
           sql = 'SELECT id, source, target, cost FROM (' || edges_sql || ') a';
         ELSE raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
         END IF;
      END IF;

      RETURN query
         SELECT (row_number() over () -1)::integer as seq, start_vid::integer AS id1, end_vid::integer AS id2, agg_cost AS cost
         FROM  pgr_floydWarshall(sql, directed);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;




-- V2 signature
CREATE OR REPLACE FUNCTION pgr_astar(edges_sql TEXT, source_id INTEGER, target_id INTEGER, directed BOOLEAN, has_rcost BOOLEAN)
RETURNS SETOF pgr_costresult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
sql TEXT;
BEGIN
    RAISE NOTICE 'Deprecated signature pgr_astar(text, integer, integer, boolean, boolean)';
    has_reverse =_pgr_parameter_check('astar', edges_sql, false);
    sql = edges_sql;
    IF (has_reverse != has_rcost) THEN
        IF (has_reverse) THEN
            sql = 'SELECT id, source, target, cost, x1,y1, x2, y2 FROM (' || edges_sql || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    RETURN query SELECT seq - 1 AS seq, node::INTEGER AS id1, edge::INTEGER AS id2, cost
    FROM pgr_astar(sql, ARRAY[$2], ARRAY[$3], directed);
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;



-- V2 signature
CREATE OR REPLACE FUNCTION pgr_bdAstar(
    sql TEXT,
    source_vid INTEGER,
    target_vid INTEGER,
    directed BOOLEAN,
    has_reverse_cost BOOLEAN)
RETURNS SETOF pgr_costresult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
BEGIN
    RAISE NOTICE 'Deprecated Signature of pgr_bdAstar';
    has_reverse =_pgr_parameter_check('astar', $1, false);
    new_sql = $1;
    IF (has_reverse != $5) THEN
        IF (has_reverse) THEN
            new_sql = 'SELECT id, source, target, cost FROM (' || $1 || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    RETURN query SELECT seq-1 AS seq, node::integer AS id1, edge::integer AS id2, cost
    FROM _pgr_bdAstar(new_sql, ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], directed);
  END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;




-- V2 signature
CREATE OR REPLACE FUNCTION pgr_bdDijkstra(edges_sql TEXT, start_vid INTEGER, end_vid INTEGER, directed BOOLEAN, has_rcost BOOLEAN)
RETURNS SETOF pgr_costresult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
BEGIN
    RAISE NOTICE 'Deprecated Signature of pgr_bdDijkstra';
    has_reverse =_pgr_parameter_check('dijkstra', $1, false);
    new_sql = $1;
    IF (has_reverse != $5) THEN
        IF (has_reverse) THEN
            new_sql = 'SELECT id, source, target, cost FROM (' || $1 || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    RETURN query SELECT seq-1 AS seq, node::integer AS id1, edge::integer AS id2, cost
    FROM _pgr_bdDijkstra(new_sql, ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], directed, false);
  END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;



CREATE OR REPLACE FUNCTION pgr_kdijkstraPath(
    sql text,
    source INTEGER,
    targets INTEGER ARRAY,
    directed BOOLEAN,
    has_rcost BOOLEAN)
    RETURNS SETOF pgr_costResult3 AS
    $BODY$
    DECLARE
    has_reverse BOOLEAN;
    new_sql TEXT;
    result pgr_costResult3;
    tmp pgr_costResult3;
    sseq INTEGER;
    i INTEGER;
    BEGIN
        RAISE NOTICE 'Deprecated function: Use pgr_dijkstra instead.';
        has_reverse =_pgr_parameter_check('dijkstra', sql, false);
        new_sql = sql;
        IF (array_ndims(targets) != 1) THEN
            raise EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
            USING ERRCODE = 'XX000';
        END IF;

        IF (has_reverse != has_rcost) THEN
            IF (has_reverse) THEN
                new_sql = 'SELECT id, source, target, cost FROM (' || sql || ') a';
            ELSE
                raise EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
                USING ERRCODE = 'XX000';
            END IF;
        END IF;
        SELECT ARRAY(SELECT DISTINCT UNNEST(targets) ORDER BY 1) INTO targets;

        sseq = 0; i = 1;
        FOR result IN
            SELECT seq, a.end_vid::INTEGER AS id1, a.node::INTEGER AS i2, a.edge::INTEGER AS id3, cost
            FROM pgr_dijkstra(new_sql, source, targets, directed) a ORDER BY a.end_vid, seq LOOP
            WHILE (result.id1 != targets[i]) LOOP
                tmp.seq = sseq;
                tmp.id1 = targets[i];
                IF (targets[i] = source) THEN
                    tmp.id2 = source;
                    tmp.cost =0;
                ELSE
                    tmp.id2 = 0;
                    tmp.cost = -1;
                END IF;
                tmp.id3 = -1;
                RETURN next tmp;
                i = i + 1;
                sseq = sseq + 1;
            END LOOP;
        IF (result.id1 = targets[i] AND result.id3 != -1) THEN
            result.seq = sseq;
            RETURN next result;
            sseq = sseq + 1;
            CONTINUE;
        END IF;
        IF (result.id1 = targets[i] AND result.id3 = -1) THEN
            result.seq = sseq;
            RETURN next result;
            i = i + 1;
            sseq = sseq + 1;
            CONTINUE;
        END IF;
    END LOOP;
    WHILE (i <= array_length(targets,1)) LOOP
        tmp.seq = sseq;
        tmp.id1 = targets[i];
        IF (targets[i] = source) THEN
            tmp.id2 = source;
            tmp.cost = 0;
        ELSE
            tmp.id2 = 0;
            tmp.cost = -1;
        END IF;
        tmp.id3 = -1;
        RETURN next tmp;
        i = i + 1;
        sseq = sseq + 1;
    END LOOP;

END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;


CREATE OR REPLACE FUNCTION pgr_kdijkstracost(
    sql text,
    source INTEGER,
    targets INTEGER array,
    directed BOOLEAN,
    has_rcost BOOLEAN)
RETURNS SETOF pgr_costResult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
new_sql TEXT;
result pgr_costResult;
tmp pgr_costResult;
sseq INTEGER;
i INTEGER;
BEGIN
    RAISE NOTICE 'Deprecated function. Use pgr_dijkstraCost instead.';
    has_reverse =_pgr_parameter_check('dijkstra', sql, false);
    new_sql = sql;
    IF (array_ndims(targets) != 1) THEN
        raise EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
        USING ERRCODE = 'XX000';
    END IF;


    IF (has_reverse != has_rcost) THEN
        IF (has_reverse) THEN
            new_sql = 'SELECT id, source, target, cost FROM (' || sql || ') a';
        ELSE
            RAISE EXCEPTION 'Error, reverse_cost is used, but query did''t return ''reverse_cost'' column'
            USING ERRCODE = 'XX000';
        END IF;
    END IF;

    SELECT ARRAY(SELECT DISTINCT UNNEST(targets) ORDER BY 1) INTO targets;

    sseq = 0; i = 1;
    FOR result IN
        SELECT ((row_number() over()) -1)::INTEGER, a.start_vid::INTEGER, a.end_vid::INTEGER, agg_cost
        FROM pgr_dijkstraCost(new_sql, source, targets, directed) a ORDER BY end_vid LOOP
        WHILE (result.id2 != targets[i]) LOOP
            tmp.seq = sseq;
            tmp.id1 = source;
            tmp.id2 = targets[i];
            IF (targets[i] = source) THEN
                tmp.cost = 0;
            ELSE
                tmp.cost = -1;
            END IF;
            RETURN next tmp;
            i = i + 1;
            sseq = sseq + 1;
        END LOOP;
        IF (result.id2 = targets[i]) THEN
            result.seq = sseq;
            RETURN next result;
            i = i + 1;
            sseq = sseq + 1;
        END IF;
    END LOOP;
    WHILE (i <= array_length(targets,1)) LOOP
        tmp.seq = sseq;
        tmp.id1 = source;
        tmp.id2 = targets[i];
        IF (targets[i] = source) THEN
            tmp.cost = 0;
        ELSE
            tmp.cost = -1;
        END IF;
        RETURN next tmp;
        i = i + 1;
        sseq = sseq + 1;
    END LOOP;

END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;



create or replace function pgr_pointtoedgenode(edges text, pnt geometry, tol float8)
    returns integer as
$body$

declare
    rr record;
    pct float;
    debuglevel text;

begin
    -- find the closest edge within tol distance
    execute 'select * from ' || _pgr_quote_ident(edges) ||
            ' where st_dwithin(''' || pnt::text ||
            '''::geometry, the_geom, ' || tol || ') order by st_distance(''' || pnt::text ||
            '''::geometry, the_geom) asc limit 1' into rr;

    if rr.the_geom is not null then
        -- deal with MULTILINESTRINGS
        if geometrytype(rr.the_geom)='MULTILINESTRING' THEN
            rr.the_geom := ST_GeometryN(rr.the_geom, 1);
        end if;

        -- project the point onto the linestring
        execute 'show client_min_messages' into debuglevel;
        SET client_min_messages='ERROR';
        pct := st_line_locate_point(rr.the_geom, pnt);
        execute 'set client_min_messages  to '|| debuglevel;

        -- return the node we are closer to
        if pct < 0.5 then
            return rr.source;
        else
            return rr.target;
        end if;
    else
        -- return a failure to find an edge within tol distance
        return -1;
    end if;
end;
$body$
  language plpgsql volatile
  cost 5;


----------------------------------------------------------------------------

create or replace function pgr_flipedges(ga geometry[])
    returns geometry[] as
$body$

declare
    nn integer;
    i integer;
    g geometry;

begin
    RAISE NOTICE 'Deperecated function: pgr_flipEdges';
    -- get the count of edges, and return if only one edge
    nn := array_length(ga, 1);
    if nn=1 then
        return ga;
    end if;

    -- determine if first needs to be flipped
    g := _pgr_startpoint(ga[1]);

    -- if the start of the first is connected to the second then it needs to be flipped
    if _pgr_startpoint(ga[2])=g or _pgr_endpoint(ga[2])=g then
        ga[1] := st_reverse(ga[1]);
    end if;
    g := _pgr_endpoint(ga[1]);

    -- now if  the end of the last edge matchs the end of the current edge we need to flip it
    for i in 2 .. nn loop
        if _pgr_endpoint(ga[i])=g then
            ga[i] := st_reverse(ga[i]);
        end if;
        -- save the end of this edge into the last end for the next cycle
        g := _pgr_endpoint(ga[i]);
    end loop;

    return ga;
end;
$body$
    language plpgsql immutable;


------------------------------------------------------------------------------

create or replace function pgr_texttopoints(pnts text, srid integer DEFAULT(4326))
    returns geometry[] as
$body$

declare
    a text[];
    t text;
    p geometry;
    g geometry[];

begin
    RAISE NOTICE 'Deperecated function: pgr_textToPoints';
    -- convert commas to space and split on ';'
    a := string_to_array(replace(pnts, ',', ' '), ';');
    -- convert each 'x y' into a point geometry and concattenate into a new array
    for t in select unnest(a) loop
        p := st_pointfromtext('POINT(' || t || ')', srid);
        g := g || p;
    end loop;

    return g;
end;
$body$
    language plpgsql immutable;

-----------------------------------------------------------------------

create or replace function pgr_pointstovids(pnts geometry[], edges text, tol float8 DEFAULT(0.01))
    returns integer[] as
$body$

declare
    v integer[];
    g geometry;

begin
    RAISE NOTICE 'Deperecated function: pgr_pointsToVids';
    -- cycle through each point and locate the nearest edge and vertex on that edge
    for g in select unnest(pnts) loop
        v := v || pgr_pointtoedgenode(edges, g, tol);
    end loop;

    return v;
end;
$body$
    language plpgsql stable;


create or replace function pgr_pointstodmatrix(pnts geometry[], mode integer default (0), OUT dmatrix double precision[], OUT ids integer[])
    returns record as
$body$

declare
    r record;

begin
    RAISE NOTICE 'Deprecated function pgr_pointsToDMatrix';
    dmatrix := array[]::double precision[];
    ids := array[]::integer[];

    -- create an id for each point in the array and unnest it into a table nodes in the with clause
    for r in with nodes as (select row_number() over()::integer as id, p from (select unnest(pnts) as p) as foo)
        -- compute a row of distances
        select i, array_agg(dist) as arow from (
            select a.id as i, b.id as j,
                case when mode=0
                    then st_distance(a.p, b.p)
                    else st_distance_sphere(a.p, b.p)
                end as dist
              from nodes a, nodes b
             order by a.id, b.id
           ) as foo group by i order by i loop

        -- you must concat an array[array[]] to make dmatrix[][]
        -- concat the row of distances to the dmatrix
        dmatrix := array_cat(dmatrix, array[r.arow]);
        ids := ids || array[r.i];
    end loop;
end;
$body$
    language plpgsql stable;


------------------------------------------------------------------------------

create or replace function pgr_vidstodmatrix(IN vids integer[], IN pnts geometry[], IN edges text, tol float8 DEFAULT(0.1), OUT dmatrix double precision[], OUT ids integer[])
    returns record as
$body$

declare
    i integer;
    j integer;
    nn integer;
    rr record;
    bbox geometry;
    t float8[];

begin
    RAISE NOTICE 'Deprecated function pgr_vidsToDMatrix';
    -- check if the input arrays has any -1 values, maybe this whould be a raise exception
    if vids @> ARRAY[-1] then
    raise notice 'Some vids are undefined (-1)!';
    dmatrix := null;
    ids := null;
    return;
    end if;

    ids := vids;

    -- get the count of nodes
    nn := array_length(vids,1);

    -- zero out a dummy row
    for i in 1 .. nn loop
        t := t || 0.0::float8;
    end loop;

    -- using the dummy row, zero out the whole matrix
    for i in 1 .. nn loop
    dmatrix := dmatrix || ARRAY[t];
    end loop;

    for i in 1 .. nn-1 loop
        j := i;
        -- compute the bbox for the point needed for this row
        select st_expand(st_collect(pnts[id]), tol) into bbox
          from (select generate_series as id from generate_series(i, nn)) as foo;

        -- compute kdijkstra() for this row
        for rr in execute 'select * from pgr_dijkstracost($1, $2, $3, false)'
                  using 'select id, source, target, cost from ' || edges ||
                        ' where the_geom && ''' || bbox::text || '''::geometry'::text, vids[i], vids[i+1:nn] loop

            -- TODO need to check that all node were reachable from source
            -- I think unreachable paths between nodes returns cost=-1.0

            -- populate the matrix with the cost values, remember this is symmetric
            j := j + 1;
            -- raise notice 'cost(%,%)=%', i, j, rr.agg_cost;
            dmatrix[i][j] := rr.agg_cost;
            dmatrix[j][i] := rr.agg_cost;
        end loop;
    end loop;

end;
$body$
    language plpgsql stable cost 200;



CREATE OR REPLACE FUNCTION pgr_vidsToDMatrix(sql TEXT, vids  INTEGER[], dir BOOLEAN, has_rcost BOOLEAN, want_symmetric BOOLEAN)
RETURNS float8[] AS
$BODY$
DECLARE
directed BOOLEAN;
has_reverse BOOLEAN;
edges_sql TEXT;
dmatrix_row float8[];
dmatrix float8[];
cell RECORD;
unique_vids INTEGER[];
total BIGINT;
from_v BIGINT;
to_v BIGINT;
BEGIN
    RAISE NOTICE 'Deprecated function pgr_vidsToDMatrix';
    has_reverse =_pgr_parameter_check('dijkstra', sql, false);
    edges_sql = sql;
    IF (has_reverse != has_rcost) THEN
        IF (has_reverse) THEN
            sql = 'SELECT id, source, target, cost FROM (' || sql || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    unique_vids :=  ARRAY(SELECT DISTINCT UNNEST(vids) ORDER BY 1);

    IF want_symmetric THEN
        directed = false;
    ELSE
        directed = dir;
    END IF;

    total := array_length(unique_vids, 1);

    -- initializing dmatrix
    FOR i in 1 .. total LOOP
        dmatrix_row := dmatrix_row || '+Infinity'::float8;
    END LOOP;
    FOR i in 1 .. total LOOP
    dmatrix := dmatrix || ARRAY[dmatrix_row];
    dmatrix[i][i] = 0;
    END LOOP;

    CREATE TEMP TABLE __x___y____temp AS
        WITH result AS
            (SELECT unnest(unique_vids) AS vid)
        SELECT row_number() OVER() AS idx, vid FROM result;

    FOR cell IN SELECT * FROM pgr_dijkstraCostMatrix(sql, unique_vids, directed) LOOP
        SELECT idx INTO from_v FROM __x___y____temp WHERE vid =  cell.start_vid;
        SELECT idx INTO to_v FROM __x___y____temp WHERE vid =  cell.end_vid;

        dmatrix[from_v][to_v] = cell.agg_cost;
        dmatrix[to_v][from_v] = cell.agg_cost;
    END LOOP;

    DROP TABLE IF EXISTS __x___y____temp;
    RETURN dmatrix;

    EXCEPTION WHEN others THEN
       DROP TABLE IF EXISTS __x___y____temp;
       raise exception '% %', SQLERRM, SQLSTATE;
END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100;



-- V2 signature
CREATE OR REPLACE FUNCTION pgr_dijkstra(
    edges_sql TEXT,
    start_vid INTEGER,
    end_vid INTEGER,
    directed BOOLEAN,
    has_rcost BOOLEAN)
RETURNS SETOF pgr_costresult AS
$BODY$
DECLARE
has_reverse BOOLEAN;
sql TEXT;
BEGIN
    RAISE NOTICE 'Deprecated function';
    has_reverse =_pgr_parameter_check('dijkstra', edges_sql, false);
    sql = edges_sql;
    IF (has_reverse != has_rcost) THEN
        IF (has_reverse) THEN
            sql = 'SELECT id, source, target, cost FROM (' || edges_sql || ') a';
        ELSE
            raise EXCEPTION 'has_rcost set to true but reverse_cost not found';
        END IF;
    END IF;

    RETURN query SELECT seq-1 AS seq, node::integer AS id1, edge::integer AS id2, cost
    FROM _pgr_dijkstra(sql, ARRAY[$2]::BIGINT[], ARRAY[$3]::BIGINT[], directed, false);
  END
$BODY$
LANGUAGE plpgsql VOLATILE
COST 100
ROWS 1000;
COMMENT ON FUNCTION pgr_dijkstra( TEXT, INTEGER, INTEGER, BOOLEAN, BOOLEAN) IS 'pgr_dijkstra(Deprecated signature)';





-- OLD SIGNATURE
CREATE OR REPLACE FUNCTION pgr_drivingDistance(edges_sql text, source BIGINT, distance FLOAT, directed BOOLEAN, has_rcost BOOLEAN)
  RETURNS SETOF pgr_costresult AS
  $BODY$
  DECLARE
  has_reverse BOOLEAN;
  sql TEXT;
  BEGIN
      RAISE NOTICE 'Deprecated function';

      has_reverse =_pgr_parameter_check('dijkstra', edges_sql, FALSE);

      sql = edges_sql;
      IF (has_reverse != has_rcost) THEN
         IF (has_reverse) THEN
             -- the user says it doesn't have reverse cost but its false
             -- removing from query
             RAISE NOTICE 'Contradiction found: has_rcost set to false but reverse_cost column found';
             sql = 'SELECT id, source, target, cost, -1 as reverse_cost FROM (' || edges_sql || ') __q ';
         ELSE
             -- the user says it has reverse cost but its false
             -- can't do anything
             RAISE EXCEPTION 'has_rcost set to true but reverse_cost not found';
         END IF;
      END IF;

      RETURN query SELECT seq - 1 AS seq, node::integer AS id1, edge::integer AS id2, agg_cost AS cost
                FROM pgr_drivingDistance($1, ARRAY[$2]::BIGINT[], $3, $4, false);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;



--FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maximumcardinalitymatching(
    edges_sql TEXT,
    directed BOOLEAN DEFAULT TRUE,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT
    )
  RETURNS SETOF RECORD AS
 '$libdir/libpgrouting-2.6', 'maximum_cardinality_matching'
    LANGUAGE c VOLATILE;





--FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maxFlowPushRelabel(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_PushRelabel($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowBoykovKolmogorov(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_boykovKolmogorov($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowEdmondsKarp(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_edmondsKarp($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;



--INTERNAL FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maxFlowPushRelabel(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_PushRelabel($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowBoykovKolmogorov(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_boykovKolmogorov($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowEdmondsKarp(
    edges_sql TEXT,
    source_vertex BIGINT,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_edmondsKarp($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;



--FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maxFlowPushRelabel(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_PushRelabel($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowBoykovKolmogorov(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_boykovKolmogorov($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowEdmondsKarp(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertex BIGINT,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_edmondsKarp($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;




--FUNCTIONS

CREATE OR REPLACE FUNCTION pgr_maxFlowPushRelabel(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_PushRelabel($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowBoykovKolmogorov(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_boykovKolmogorov($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;

CREATE OR REPLACE FUNCTION pgr_maxFlowEdmondsKarp(
    edges_sql TEXT,
    source_vertices ANYARRAY,
    sink_vertices ANYARRAY,
    OUT seq INTEGER,
    OUT edge_id BIGINT,
    OUT source BIGINT,
    OUT target BIGINT,
    OUT flow BIGINT,
    OUT residual_capacity BIGINT
    )
  RETURNS SETOF RECORD AS
  $BODY$
  BEGIN
        RETURN QUERY SELECT *
        FROM pgr_edmondsKarp($1, $2, $3);
  END
  $BODY$
  LANGUAGE plpgsql VOLATILE;




------------------------
-- deprecated signatures
-----------------------

COMMENT ON FUNCTION pgr_astar(TEXT, INTEGER, INTEGER, BOOLEAN, BOOLEAN)
    IS 'pgr_astar(Deprecated signature)';

COMMENT ON FUNCTION pgr_bdAstar( TEXT, INTEGER, INTEGER, BOOLEAN, BOOLEAN)
    IS 'pgr_bdAstar(Deprecated signature)';

COMMENT ON FUNCTION pgr_bdDijkstra( TEXT, INTEGER, INTEGER, BOOLEAN, BOOLEAN)
    IS 'pgr_bdDijkstra(Deprecated signature)';

COMMENT ON FUNCTION pgr_dijkstra(TEXT, INTEGER, INTEGER, BOOLEAN, BOOLEAN)
    IS 'pgr_dijkstra(Deprecated signature)';

COMMENT ON FUNCTION pgr_drivingDistance(text,  BIGINT,  FLOAT8,  BOOLEAN,  BOOLEAN)
    IS 'pgr_drivingDistance(Deprecated signature)';

------------------------
-- Renamed /deprecated
-----------------------
COMMENT ON FUNCTION pgr_apspJohnson(TEXT)
    IS 'pgr_apspJohnson(Renamed function) use pgr_Johnson instead';

COMMENT ON FUNCTION pgr_apspWarshall(text, boolean, boolean)
    IS 'pgr_apspWarshall(Renamed function) use pgr_floydWarshall instead';

COMMENT ON FUNCTION pgr_kdijkstraPath( text, INTEGER, INTEGER ARRAY, BOOLEAN, BOOLEAN)
    IS 'pgr_kdijkstraPath(Renamed function) use pgr_dijkstra instead';

COMMENT ON FUNCTION pgr_kdijkstracost( text, INTEGER, INTEGER array, BOOLEAN, BOOLEAN)
    IS 'pgr_kDijkstraCost(Renamed function) use pgr_dijkstraCost instead';

COMMENT ON FUNCTION  pgr_maxFlowPushRelabel(TEXT, BIGINT, BIGINT)
    IS 'pgr_maxFlowPushRelabel(Renamed function) use pgr_pushRelabel instead';
COMMENT ON FUNCTION  pgr_maxFlowPushRelabel(TEXT, BIGINT, ANYARRAY)
    IS 'pgr_maxFlowPushRelabel(Renamed function) use pgr_pushRelabel instead';
COMMENT ON FUNCTION  pgr_maxFlowPushRelabel(TEXT, ANYARRAY, BIGINT)
    IS 'pgr_maxFlowPushRelabel(Renamed function) use pgr_pushRelabel instead';
COMMENT ON FUNCTION  pgr_maxFlowPushRelabel(TEXT, ANYARRAY, ANYARRAY)
    IS 'pgr_maxFlowPushRelabel(Renamed function) use pgr_pushRelabel instead';


COMMENT ON FUNCTION  pgr_maxFlowEdmondsKarp(TEXT, BIGINT, BIGINT)
    IS 'pgr_maxFlowEdmondsKarp(Renamed function) use pgr_edmondsKarp instead';
COMMENT ON FUNCTION  pgr_maxFlowEdmondsKarp(TEXT, BIGINT, ANYARRAY)
    IS 'pgr_maxFlowEdmondsKarp(Renamed function) use pgr_edmondsKarp instead';
COMMENT ON FUNCTION  pgr_maxFlowEdmondsKarp(TEXT, ANYARRAY, BIGINT)
    IS 'pgr_maxFlowEdmondsKarp(Renamed function) use pgr_edmondsKarp instead';
COMMENT ON FUNCTION  pgr_maxFlowEdmondsKarp(TEXT, ANYARRAY, ANYARRAY)
    IS 'pgr_maxFlowEdmondsKarp(Renamed function) use pgr_edmondsKarp instead';

COMMENT ON FUNCTION  pgr_maxFlowBoykovKolmogorov(TEXT, BIGINT, BIGINT)
    IS 'pgr_maxFlowBoykovKolmogorov(Renamed function) use pgr_boykovKolmogorov instead';
COMMENT ON FUNCTION  pgr_maxFlowBoykovKolmogorov(TEXT, BIGINT, ANYARRAY)
    IS 'pgr_maxFlowBoykovKolmogorov(Renamed function) use pgr_boykovKolmogorov instead';
COMMENT ON FUNCTION  pgr_maxFlowBoykovKolmogorov(TEXT, ANYARRAY, BIGINT)
    IS 'pgr_maxFlowBoykovKolmogorov(Renamed function) use pgr_boykovKolmogorov instead';
COMMENT ON FUNCTION  pgr_maxFlowBoykovKolmogorov(TEXT, ANYARRAY, ANYARRAY)
    IS 'pgr_maxFlowBoykovKolmogorov(Renamed function) use pgr_boykovKolmogorov instead';


COMMENT ON FUNCTION pgr_gsoc_vrppdtw( text, INTEGER, INTEGER)
    IS 'pgr_gsoc_vrppdtw(Renamed function) use pgr_pickDeliverEuclidean instead';

------------------------
-- Deprecated functions
-----------------------

COMMENT ON FUNCTION pgr_flipedges(geometry[])
    IS 'pgr_flipedges(Deprecated function)';

COMMENT ON FUNCTION pgr_texttopoints(text,  integer)
    IS 'pgr_texttopoints(Deprecated function)';

COMMENT ON FUNCTION pgr_pointstovids(pnts geometry[], edges text, tol float8)
    IS 'pgr_pointstovids(Deprecated function)';

COMMENT ON FUNCTION pgr_pointtoedgenode(edges text, pnt geometry, tol float8)
    IS 'pgr_pointtoedgenode(Deprecated function)';

COMMENT ON FUNCTION pgr_pointstodmatrix(geometry[], integer)
    IS 'pgr_pointstodmatrix(Deprecated function)';

COMMENT ON FUNCTION pgr_vidstodmatrix( integer[],  geometry[],  text, float8)
    IS 'pgr_vidstodmatrix(Deprecated function)';

COMMENT ON FUNCTION pgr_vidsToDMatrix(TEXT,  INTEGER[], BOOLEAN, BOOLEAN, BOOLEAN)
    IS 'pgr_vidstodmatrix(Deprecated function)';




COMMENT ON FUNCTION pgr_getTableName(IN tab text)
    IS 'pgr_getTableName(Deprecated function)';

COMMENT ON FUNCTION pgr_getColumnName(tab text, col text)
    IS 'pgr_getColumnName(Deprecated function)';

COMMENT ON FUNCTION pgr_isColumnInTable(tab text, col text)
    IS 'pgr_isColumnInTable(Deprecated function)';

COMMENT ON FUNCTION pgr_isColumnIndexed(tab text, col text)
    IS 'pgr_isColumnIndexed(Deprecated function)';


COMMENT ON FUNCTION pgr_quote_ident(idname text)
    IS 'pgr_quote_ident(Deprecated function)';

COMMENT ON FUNCTION pgr_versionless(v1 text, v2 text)
    IS 'pgr_versionless(Deprecated function)';

COMMENT ON FUNCTION pgr_startPoint(g geometry)
    IS 'pgr_startPoint(Deprecated function)';

COMMENT ON FUNCTION pgr_endPoint(g geometry)
    IS 'pgr_endPoint(Deprecated function)';


