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Diffstat (limited to 'src/backend/access/rmgrdesc/standbydesc.c')
-rw-r--r--src/backend/access/rmgrdesc/standbydesc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/access/rmgrdesc/standbydesc.c b/src/backend/access/rmgrdesc/standbydesc.c
index c295358f364..aaff652aebc 100644
--- a/src/backend/access/rmgrdesc/standbydesc.c
+++ b/src/backend/access/rmgrdesc/standbydesc.c
@@ -102,6 +102,10 @@ standby_desc_invalidations(StringInfo buf,
{
int i;
+ /* Do nothing if there are no invalidation messages */
+ if (nmsgs <= 0)
+ return;
+
if (relcacheInitFileInval)
appendStringInfo(buf, "; relcache init file inval dbid %u tsid %u",
dbId, tsId);