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-rw-r--r--src/backend/parser/parse_expr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c
index 4aecd1f0481..955765ffb39 100644
--- a/src/backend/parser/parse_expr.c
+++ b/src/backend/parser/parse_expr.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.50 1999/07/11 02:04:19 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.50.2.1 1999/09/13 04:21:21 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -467,7 +467,8 @@ transformExpr(ParseState *pstate, Node *expr, int precedence)
* only bother with conversion if not NULL and
* different type...
*/
- if (wtype && (wtype != ptype))
+ if (wtype && (wtype != UNKNOWNOID)
+ && (wtype != ptype))
{
if (can_coerce_type(1, &wtype, &ptype))
{