From 15f68e52c70b62b0e7051f2371f9ccf5c080a34b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=A2=85=E7=A8=8B?= <517719039@qq.com>
Date: Tue, 15 Apr 2025 15:37:35 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dtinyint=20index=20in=20int=20?=
 =?UTF-8?q?array=E6=8A=A5=E9=94=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/gausskernel/storage/access/nbtree/nbtutils.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/gausskernel/storage/access/nbtree/nbtutils.cpp b/src/gausskernel/storage/access/nbtree/nbtutils.cpp
index 616da34cc8..841d3eb496 100644
--- a/src/gausskernel/storage/access/nbtree/nbtutils.cpp
+++ b/src/gausskernel/storage/access/nbtree/nbtutils.cpp
@@ -440,11 +440,18 @@ int _bt_sort_array_elements(IndexScanDesc scan, const ScanKey skey, bool reverse
      * non-cross-type support functions for any datatype that it supports at
      * all.
      */
-    cmp_proc = get_opfamily_proc(rel->rd_opfamily[skey->sk_attno - 1], elemtype, elemtype, BTORDER_PROC);
+    Oid opclass = GetDefaultOpClass(elemtype, BTREE_AM_OID);
+    if (InvalidOid == opclass) {
+        ereport(ERROR,
+            (errcode(ERRCODE_CASE_NOT_FOUND), errmsg("Invalid opclass for type %d.", elemtype)));
+    }
+
+    Oid opfamily = get_opclass_family(opclass);
+    cmp_proc = get_opfamily_proc(opfamily, elemtype, elemtype, BTORDER_PROC);
     if (!RegProcedureIsValid(cmp_proc)) {
         ereport(ERROR, (errcode(ERRCODE_SYNTAX_ERROR),
                         errmsg("missing support function %d(%u,%u) in opfamily %u", BTORDER_PROC, elemtype, elemtype,
-                               rel->rd_opfamily[skey->sk_attno - 1])));
+                               opfamily)));
     }
 
     /* Sort the array elements */
-- 
Gitee