From: David Blasby <dblasby@gmail.com>
Date: Mon, 19 Aug 2002 16:14:35 +0000 (+0000)
Subject: changed "=NULL" to "is null" for postgresql 7.3 devel issues (as reported
X-Git-Tag: pgis_0_7_2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7ed1f039e2bd68b8c44d078524e07ad5a81e4480;p=postgis

changed "=NULL" to "is null" for postgresql 7.3 devel issues (as reported
by  Eric -  redmonde@purdue.edu)


git-svn-id: http://svn.osgeo.org/postgis/trunk@180 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/postgis.sql.in b/postgis.sql.in
index 5df9bce23..86b529759 100644
--- a/postgis.sql.in
+++ b/postgis.sql.in
@@ -28,7 +28,7 @@ create table spatial_ref_sys (
 	 proj4text varchar(2048) 
 					);
 
--- create the metadata table.  spec, section 3.2.2.1
+-- create the metadata table.  spec, section 3.2.2.1 
 
 create table geometry_columns (
 f_table_catalog varchar(256) not null,
@@ -118,11 +118,11 @@ BEGIN
 
 	-- update the given table/column so that it it all NULLS
 
-	EXECUTE ''update ''||table_name||'' set ''||column_name||''=NULL'';
+	EXECUTE ''update ''||table_name||'' set ''||column_name||'' IS NULL'';
 
 	-- add = NULL constraint to given table/column
 
-	EXECUTE ''ALTER TABLE ''||table_name||'' ADD CHECK (''||column_name||'' = NULL)'';
+	EXECUTE ''ALTER TABLE ''||table_name||'' ADD CHECK (''||column_name||'' IS NULL)'';
 
 	RETURN table_name || ''.'' || column_name ||'' effectively removed.'';
 	
@@ -199,7 +199,7 @@ BEGIN
 		'') = '' || new_srid || '')'' ;
 
 	IF (not(new_type = ''GEOMETRY'')) THEN
-		EXECUTE ''ALTER TABLE '' ||table_name||'' ADD CHECK ( geometrytype(''||column_name||'')=''|| quote_literal(new_type)||'' OR NULL=('' ||column_name ||''))'';
+		EXECUTE ''ALTER TABLE '' ||table_name||'' ADD CHECK ( geometrytype(''||column_name||'')=''|| quote_literal(new_type)||'' OR ('' ||column_name ||'') is null)'';
 	END IF;
 
 	return ''Geometry column '' || column_name || '' added to table ''