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-rw-r--r--src/backend/access/common/tupdesc.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/src/backend/access/common/tupdesc.c b/src/backend/access/common/tupdesc.c
index b76e03ed43f..9a40c08ca92 100644
--- a/src/backend/access/common/tupdesc.c
+++ b/src/backend/access/common/tupdesc.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.98 2003/08/04 02:39:56 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.99 2003/08/11 23:04:49 tgl Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
@@ -357,7 +357,7 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
void
TupleDescInitEntry(TupleDesc desc,
AttrNumber attributeNumber,
- char *attributeName,
+ const char *attributeName,
Oid oidtypeid,
int32 typmod,
int attdim,
@@ -373,13 +373,6 @@ TupleDescInitEntry(TupleDesc desc,
AssertArg(PointerIsValid(desc));
AssertArg(attributeNumber >= 1);
AssertArg(attributeNumber <= desc->natts);
-
- /*
- * attributeName's are sometimes NULL, from resdom's. I don't know
- * why that is, though -- Jolly
- */
-/* AssertArg(NameIsValid(attributeName));*/
-
AssertArg(!PointerIsValid(desc->attrs[attributeNumber - 1]));
/*
@@ -394,6 +387,11 @@ TupleDescInitEntry(TupleDesc desc,
*/
att->attrelid = 0; /* dummy value */
+ /*
+ * Note: attributeName can be NULL, because the planner doesn't always
+ * fill in valid resname values in targetlists, particularly for resjunk
+ * attributes.
+ */
if (attributeName != NULL)
namestrcpy(&(att->attname), attributeName);
else