Fix for select null, "fail" from pg_am from Patrick van Kleef

bmomjian · bmomjian · commit 4213e44a0ba3 · 1997-09-12T22:07:59.000Z
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.10 1997/09/08 21:43:57 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.11 1997/09/12 22:07:59 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -725,7 +725,7 @@ _copyConst(Const *from)
 	 *	puts in the right values here.
 	 * ----------------
 	 */
-	if (cached_type != from->consttype)
+	if (!from->constisnull && cached_type != from->consttype) {
 	{
 		HeapTuple	typeTuple;
 		TypeTupleForm typeStruct;

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.10 1997/09/08 21:43:57 momjian Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.11 1997/09/12 22:07:59 momjian Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -725,7 +725,7 @@ _copyConst(Const *from)`
`725`	`725`	`* puts in the right values here.`
`726`	`726`	`* ----------------`
`727`	`727`	`*/`
`728`		`- if (cached_type != from->consttype)`
	`728`	`+ if (!from->constisnull && cached_type != from->consttype) {`
`729`	`729`	`{`
`730`	`730`	`HeapTuple typeTuple;`
`731`	`731`	`TypeTupleForm typeStruct;`