From 758ff6a46c36b1376aca35e9a5db790f721d953b Mon Sep 17 00:00:00 2001
From: gentle_hu <gentle_hu@qq.com>
Date: Sat, 18 Sep 2021 15:01:03 +0800
Subject: [PATCH] not using GPC when a GTT is used

---
 src/gausskernel/optimizer/plan/pgxcplan_single.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gausskernel/optimizer/plan/pgxcplan_single.cpp b/src/gausskernel/optimizer/plan/pgxcplan_single.cpp
index fb9eeab63..c376da48c 100644
--- a/src/gausskernel/optimizer/plan/pgxcplan_single.cpp
+++ b/src/gausskernel/optimizer/plan/pgxcplan_single.cpp
@@ -390,12 +390,14 @@ void pgxc_handle_unsupported_stmts(Query* query)
 bool contains_temp_tables(List* rtable)
 {
     ListCell* item = NULL;
+    char rel_persistence;
 
     foreach (item, rtable) {
         RangeTblEntry* rte = (RangeTblEntry*)lfirst(item);
 
         if (rte->rtekind == RTE_RELATION) {
-            if (IsTempTable(rte->relid))
+            rel_persistence = get_rel_persistence(rte->relid);
+            if (rel_persistence == RELPERSISTENCE_TEMP || rel_persistence == RELPERSISTENCE_GLOBAL_TEMP)
                 return true;
         } else if (rte->rtekind == RTE_SUBQUERY && contains_temp_tables(rte->subquery->rtable))
             return true;