diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 7048dc7b2b..d4055f9482 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -2572,41 +2572,14 @@ int32_t doMergeRowsInFileBlocks(SBlockData* pBlockData, STableBlockScanInfo* pSc
   return TSDB_CODE_SUCCESS;
 }
 
-static tb_uid_t getTableSuidByUid(tb_uid_t uid, STsdb* pTsdb) {
-  tb_uid_t suid = 0;
-
-  SMetaReader mr = {0};
-  metaReaderInit(&mr, pTsdb->pVnode->pMeta, 0);
-  if (metaGetTableEntryByUid(&mr, uid) < 0) {
-    metaReaderClear(&mr);  // table not esist
-    return 0;
-  }
-
-  if (mr.me.type == TSDB_CHILD_TABLE) {
-    suid = mr.me.ctbEntry.suid;
-  } else if (mr.me.type == TSDB_NORMAL_TABLE) {
-    suid = 0;
-  } else {
-    suid = 0;
-  }
-
-  metaReaderClear(&mr);
-
-  return suid;
-}
-
 void updateSchema(TSDBROW* pRow, uint64_t uid, STsdbReader* pReader) {
   int32_t sversion = TSDBROW_SVERSION(pRow);
 
-  tb_uid_t suid = getTableSuidByUid(uid, pReader->pTsdb);
-
   if (pReader->pSchema == NULL) {
-    // pReader->pSchema = metaGetTbTSchema(pReader->pTsdb->pVnode->pMeta, uid, sversion);
-    metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, suid, uid, sversion, &pReader->pSchema);
+    metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, pReader->suid, uid, sversion, &pReader->pSchema);
   } else if (pReader->pSchema->version != sversion) {
     taosMemoryFreeClear(pReader->pSchema);
-    // pReader->pSchema = metaGetTbTSchema(pReader->pTsdb->pVnode->pMeta, uid, sversion);
-    metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, suid, uid, sversion, &pReader->pSchema);
+    metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, pReader->suid, uid, sversion, &pReader->pSchema);
   }
 }