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-rw-r--r--src/backend/rewrite/rewriteHandler.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c
index 622521630d7..f3c75261951 100644
--- a/src/backend/rewrite/rewriteHandler.c
+++ b/src/backend/rewrite/rewriteHandler.c
@@ -827,7 +827,7 @@ rewriteTargetListIU(List *targetList,
if (commandType == CMD_UPDATE)
{
- if (att_tup->attidentity == ATTRIBUTE_IDENTITY_ALWAYS && !apply_default)
+ if (att_tup->attidentity == ATTRIBUTE_IDENTITY_ALWAYS && new_tle && !apply_default)
ereport(ERROR,
(errcode(ERRCODE_GENERATED_ALWAYS),
errmsg("column \"%s\" can only be updated to DEFAULT", NameStr(att_tup->attname)),