From 80bd983fb922ea027656a33dbe2a3c1c330a15ea Mon Sep 17 00:00:00 2001
From: duzhuolin <duzhuolin@gbase.cn>
Date: Tue, 8 Aug 2023 14:59:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=A1=A8=E7=BA=A7=E7=BA=A6?=
 =?UTF-8?q?=E6=9D=9Fconkey=E4=B8=BA=E7=A9=BA=E6=97=B6=E6=9F=A5=E8=AF=A2?=
 =?UTF-8?q?=E5=BC=82=E5=B8=B8=E9=97=AE=E9=A2=98?=
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---
 src/gausskernel/optimizer/plan/planner.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gausskernel/optimizer/plan/planner.cpp b/src/gausskernel/optimizer/plan/planner.cpp
index a0d4f193f..ad34b3abc 100755
--- a/src/gausskernel/optimizer/plan/planner.cpp
+++ b/src/gausskernel/optimizer/plan/planner.cpp
@@ -12119,6 +12119,9 @@ bool findConstraintByVar(Var* var, Oid relid, constraintType conType)
         ArrayType* arr = NULL;
 
         adatum = SysCacheGetAttr(CONSTROID, htup, Anum_pg_constraint_conkey, &isNull);
+        if (adatum == 0) {
+            continue;
+        }
 
         arr = DatumGetArrayTypeP(adatum);
         attnums = (int16*)ARR_DATA_PTR(arr);