From 802ca0f607ff7d8241ebf0765f04987f710f6bf9 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sat, 26 Nov 2022 00:58:29 +0800
Subject: [PATCH] fix(query): fix memory leak.

---
 source/dnode/vnode/src/meta/metaCache.c | 7 +++++++
 source/libs/executor/src/executil.c     | 1 +
 2 files changed, 8 insertions(+)

diff --git a/source/dnode/vnode/src/meta/metaCache.c b/source/dnode/vnode/src/meta/metaCache.c
index 4aa6ed3744..45f70e1c92 100644
--- a/source/dnode/vnode/src/meta/metaCache.c
+++ b/source/dnode/vnode/src/meta/metaCache.c
@@ -90,6 +90,12 @@ static void statsCacheClose(SMeta* pMeta) {
   }
 }
 
+static void freeCacheEntryFp(void* param) {
+  STagFilterResEntry** p = param;
+  tdListEmpty(&(*p)->list);
+  taosMemoryFreeClear(*p);
+}
+
 int32_t metaCacheOpen(SMeta* pMeta) {
   int32_t     code = 0;
   SMetaCache* pCache = NULL;
@@ -132,6 +138,7 @@ int32_t metaCacheOpen(SMeta* pMeta) {
     goto _err2;
   }
 
+  taosHashSetFreeFp(pCache->sTagFilterResCache.pTableEntry, freeCacheEntryFp);
   pMeta->pCache = pCache;
   return code;
 
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 6ee2dce59b..21fba22af4 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1017,6 +1017,7 @@ int32_t getTableList(void* metaHandle, void* pVnode, SScanPhysiNode* pScanNode,
 
       metaUidFilterCachePut(metaHandle, pScanNode->suid, context.digest, tListLen(context.digest), pPayload,
           size, 1);
+      taosMemoryFree(pPayload);
     } else {
       qDebug("retrieve table uid list from cache, numOfTables:%d", (int32_t) taosArrayGetSize(res));
     }
-- 
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