From c16114bf17cee5b5649d3dfa462c4a8b594fb2f0 Mon Sep 17 00:00:00 2001 From: Nikita Glukhov Date: Tue, 22 Feb 2022 20:52:45 +0300 Subject: [PATCH 1/2] Fix toast_tuple_externalize() --- src/backend/access/table/toast_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/backend/access/table/toast_helper.c b/src/backend/access/table/toast_helper.c index bfbe941d6ac..11d870535e1 100644 --- a/src/backend/access/table/toast_helper.c +++ b/src/backend/access/table/toast_helper.c @@ -345,6 +345,9 @@ toast_tuple_externalize(ToastTupleContext *ttc, int attribute, int maxDataLen, maxDataLen, options) ); + if (*value == old_value) + return; + if ((attr->tai_colflags & TOASTCOL_NEEDS_FREE) != 0) pfree(DatumGetPointer(old_value)); attr->tai_colflags |= TOASTCOL_NEEDS_FREE; -- 2.25.1