Feature request: [ 1614574 ] Port sqlj functions to pl/pgsql

Contribution made by Gavin Dunse.
To be tested.

db/ddlutils/postgresql/functions/C_BPartner_RemitLocation.sql

@@ -0,0 +1,50 @@
+/*
+ *This file is part of Adempiere ERP Bazaar
+ *http://www.adempiere.org
+ *
+ *Copyright (C) 2007 Gavin Dunse
+ *Copyright (C) 1999-2006 ComPiere, inc
+ *
+ *This program is free software; you can redistribute it and/or
+ *modify it under the terms of the GNU General Public License
+ *as published by the Free Software Foundation; either version 2
+ *of the License, or (at your option) any later version.
+ *
+ *This program is distributed in the hope that it will be useful,
+ *but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *GNU General Public License for more details.
+ *
+ *You should have received a copy of the GNU General Public License
+ *along with this program; if not, write to the Free Software
+ *Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.of
+ */
+
+/*
+ * Return the first RemitTo C_Location_ID of a Business Partner
+ */
+
+CREATE OR REPLACE FUNCTION bpartnerRemitLocation (
+  IN NUMERIC -- $1 C_BPartner_ID
+) RETURNS NUMERIC AS
+$$
+  DECLARE
+    clocationid	NUMERIC; 
+  BEGIN
+    SELECT	t.C_Location_ID
+    INTO	clocationid
+    FROM	C_BPartner_Location
+    AS		t
+    WHERE	t.C_BPartner_ID=$1
+    AND		t.C_Location_ID IS NOT NULL
+    ORDER BY	t.IsRemitTo DESC;
+    /* Limit not needed as first row is only returned - LIMIT	1; */
+    IF FOUND THEN
+      RETURN	clocationid;
+    ELSE
+      RETURN -1;
+      /* RAISE EXCEPTION 'Some error'*/
+      /* RETURN NULL */
+    END IF;
+  END;
+$$ LANGUAGE plpgsql;