fix bug in opclass query for < 7.3

diff --git a/classes/database/Postgres.php b/classes/database/Postgres.php
index d7249f28a0f578a8d65432b6196141bebcb36714..fff3adab8dd045c70687f6d630a616c5be14251e 100755 (executable)
--- a/classes/database/Postgres.php
+++ b/classes/database/Postgres.php
@@ -4,7 +4,7 @@
  * A class that implements the DB interface for Postgres
  * Note: This class uses ADODB and returns RecordSets.
  *
- * $Id: Postgres.php,v 1.215 2004/05/26 13:54:42 chriskl Exp $
+ * $Id: Postgres.php,v 1.216 2004/05/26 14:14:03 chriskl Exp $
  */
 
 // @@@ THOUGHT: What about inherits? ie. use of ONLY???
@@ -3733,7 +3733,7 @@ class Postgres extends BaseDB {
                                po.opcname, 
                                (SELECT typname FROM pg_type t WHERE t.oid=opcdeftype) AS opcintype,
                                TRUE AS opcdefault,
-                               NULL AS opccomment
+                               NULL::text AS opccomment
                        FROM
                                pg_opclass po, pg_am pa, pg_amop pam
                        WHERE