From 6e6853413c0e4ce57dcd9355628cea2dc72b2fac Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Fri, 19 May 2023 16:48:05 +0800
Subject: [PATCH] fix: db cfg memory issue

---
 source/dnode/mnode/impl/src/mndDb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/dnode/mnode/impl/src/mndDb.c b/source/dnode/mnode/impl/src/mndDb.c
index e93b06fdea..0f7e3de2f5 100644
--- a/source/dnode/mnode/impl/src/mndDb.c
+++ b/source/dnode/mnode/impl/src/mndDb.c
@@ -929,7 +929,7 @@ static void mndDumpDbCfgInfo(SDbCfgRsp *cfgRsp, SDbObj *pDb) {
   cfgRsp->walRetentionSize = pDb->cfg.walRetentionSize;
   cfgRsp->walSegmentSize = pDb->cfg.walSegmentSize;
   cfgRsp->numOfRetensions = pDb->cfg.numOfRetensions;
-  cfgRsp->pRetensions = pDb->cfg.pRetensions;
+  cfgRsp->pRetensions = taosArrayDup(pDb->cfg.pRetensions, NULL);
   cfgRsp->schemaless = pDb->cfg.schemaless;
   cfgRsp->sstTrigger = pDb->cfg.sstTrigger;
 }
@@ -972,6 +972,8 @@ static int32_t mndProcessGetDbCfgReq(SRpcMsg *pReq) {
 
 _OVER:
 
+  tFreeSDbCfgRsp(&cfgRsp);
+
   if (code != 0) {
     mError("db:%s, failed to get cfg since %s", cfgReq.db, terrstr());
   }
-- 
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