fix(meta): META_READER_NOLOCK with inner meta readers

source/dnode/vnode/src/vnd/vnodeQuery.c

@@ -68,7 +68,7 @@ int vnodeGetTableMeta(SVnode *pVnode, SRpcMsg *pMsg, bool direct) {
     schemaTag = mer1.me.stbEntry.schemaTag;
     metaRsp.suid = mer1.me.uid;
   } else if (mer1.me.type == TSDB_CHILD_TABLE) {
-    metaReaderInit(&mer2, pVnode->pMeta, 0);
+    metaReaderInit(&mer2, pVnode->pMeta, META_READER_NOLOCK);
     if (metaGetTableEntryByUid(&mer2, mer1.me.ctbEntry.suid) < 0) goto _exit;
 
     strcpy(metaRsp.stbName, mer2.me.name);

source/libs/executor/src/scanoperator.c

@@ -2547,7 +2547,7 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
       return NULL;
     }
     SMetaReader smrSuperTable = {0};
-    metaReaderInit(&smrSuperTable, pInfo->readHandle.meta, 0);
+    metaReaderInit(&smrSuperTable, pInfo->readHandle.meta, META_READER_NOLOCK);
     metaGetTableEntryByUid(&smrSuperTable, smrChildTable.me.ctbEntry.suid);
     sysTableUserTagsFillOneTableTags(pInfo, &smrSuperTable, &smrChildTable, dbname, tableName, &numOfRows, dataBlock);
     metaReaderClear(&smrSuperTable);