From 7759e6aea41fd2cd57f27a1b5095d1e0b98c1c6e Mon Sep 17 00:00:00 2001
From: sima <simondominic9997@outlook.com>
Date: Tue, 20 Aug 2024 14:12:30 +0800
Subject: [PATCH] fix:[TD-31558] Handle error of tDecodeSSchemaWrapper.

---
 source/dnode/vnode/src/meta/metaQuery.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index bee4727260..3b10182c90 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -694,9 +694,13 @@ int32_t metaGetTbTSchemaEx(SMeta *pMeta, tb_uid_t suid, tb_uid_t uid, int32_t sv
   SSchemaWrapper *pSchemaWrapper = &schema;
 
   tDecoderInit(&dc, pData, nData);
-  (void)tDecodeSSchemaWrapper(&dc, pSchemaWrapper);
+  code = tDecodeSSchemaWrapper(&dc, pSchemaWrapper);
   tDecoderClear(&dc);
   tdbFree(pData);
+  if (TSDB_CODE_SUCCESS != code) {
+    taosMemoryFree(pSchemaWrapper->pSchema);
+    goto _exit;
+  }
 
   // convert
   STSchema *pTSchema = tBuildTSchema(pSchemaWrapper->pSchema, pSchemaWrapper->nCols, pSchemaWrapper->version);