From 9747961c04d99823896fdcf67ba1ea985da5b98e Mon Sep 17 00:00:00 2001
From: Marco Slot <marco.slot@gmail.com>
Date: Fri, 10 Sep 2021 14:20:43 +0200
Subject: [PATCH] Small fix to PG12 compatibility

---
 src/backend/distributed/worker/worker_merge_protocol.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/backend/distributed/worker/worker_merge_protocol.c b/src/backend/distributed/worker/worker_merge_protocol.c
index 0a2a590a4..b60a250a9 100644
--- a/src/backend/distributed/worker/worker_merge_protocol.c
+++ b/src/backend/distributed/worker/worker_merge_protocol.c
@@ -620,10 +620,11 @@ CopyTaskFilesFromDirectory(StringInfo schemaName, StringInfo relationName,
 			parseState->p_sourcetext = queryString;
 
 			Relation relation = heap_openrv(rangeVar, RowExclusiveLock);
+			(void) addRangeTableEntryForRelation(parseState, relation,
 #if PG_VERSION_NUM >= PG_VERSION_12
-			(void) addRangeTableEntryForRelation(parseState, relation, RowExclusiveLock,
-												 NULL, false, false);
+												 RowExclusiveLock,
 #endif
+												 NULL, false, false);
 
 			CopyState copyState = BeginCopyFrom(parseState,
 												relation,