From 0f76b80408a2d5ab1115ee956ad728b37982983f Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Tue, 27 Aug 2024 11:27:22 +0800
Subject: [PATCH] check function return code

---
 source/libs/index/src/indexUtil.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/source/libs/index/src/indexUtil.c b/source/libs/index/src/indexUtil.c
index 1139837dc9..9568e18a3e 100644
--- a/source/libs/index/src/indexUtil.c
+++ b/source/libs/index/src/indexUtil.c
@@ -207,6 +207,7 @@ void idxTRsltDestroy(SIdxTRslt *tr) {
   taosMemoryFree(tr);
 }
 int32_t idxTRsltMergeTo(SIdxTRslt *tr, SArray *result) {
+  int32_t code = 0;
   taosArraySort(tr->total, uidCompare);
   taosArraySort(tr->add, uidCompare);
   taosArraySort(tr->del, uidCompare);
@@ -229,9 +230,11 @@ int32_t idxTRsltMergeTo(SIdxTRslt *tr, SArray *result) {
       taosArrayDestroy(arrs);
       return TSDB_CODE_OUT_OF_MEMORY;
     }
-    iUnion(arrs, result);
+    code = iUnion(arrs, result);
     taosArrayDestroy(arrs);
   }
-  iExcept(result, tr->del);
-  return 0;
+  if (code == 0) {
+    code = iExcept(result, tr->del);
+  }
+  return code;
 }