diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 5809a45ec5619186db31e5ad5812a3c79f66c6fd..3c34622e22bf72e095bffb9a5edae2775a9aadc7 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -4685,6 +4685,10 @@ void destroyTableMergeScanOperatorInfo(void* param) {
   taosArrayDestroy(pTableScanInfo->pSortInfo);
   cleanupExprSupp(&pTableScanInfo->base.pseudoSup);
 
+  tsdbReaderClose(pTableScanInfo->base.dataReader);
+  pTableScanInfo->base.dataReader = NULL;
+  taosLRUCacheCleanup(pTableScanInfo->base.metaCache.pTableMetaEntryCache);
+
   taosMemoryFreeClear(param);
 }