From ee1992d4c549ac0fbdacf1aebe1c53564aa97783 Mon Sep 17 00:00:00 2001
From: Mehmet Yilmaz <mehmetyilmaz@microsoft.com>
Date: Wed, 5 Mar 2025 07:35:08 +0000
Subject: [PATCH] Refactor identity sequence retrieval in insert select planner
 for compatibility

---
 src/backend/distributed/planner/insert_select_planner.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/backend/distributed/planner/insert_select_planner.c b/src/backend/distributed/planner/insert_select_planner.c
index 4bdf859bc..f74126e9c 100644
--- a/src/backend/distributed/planner/insert_select_planner.c
+++ b/src/backend/distributed/planner/insert_select_planner.c
@@ -10,8 +10,10 @@
 
 #include "postgres.h"
 
+#include "catalog/dependency.h"
 #include "catalog/pg_class.h"
 #include "catalog/pg_type.h"
+#include "commands/sequence.h"
 #include "nodes/makefuncs.h"
 #include "nodes/nodeFuncs.h"
 #include "nodes/parsenodes.h"
@@ -1128,7 +1130,7 @@ ReorderInsertSelectTargetLists(Query *originalQuery, RangeTblEntry *insertRte,
 												oldInsertTargetEntry->resname);
 				bool missingOk = false;
 
-				Oid seqOid = getIdentitySequence(targetRel, attrNum, missingOk);
+				Oid seqOid = getIdentitySequence(identitySequenceRelation_compat(targetRel), attrNum, missingOk);
 				if (!OidIsValid(seqOid))
 				{
 					table_close(targetRel, AccessShareLock);