[td-225] refactor.

src/client/src/tscSQLParser.c

@@ -7164,6 +7164,7 @@ int32_t loadAllTableMeta(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   int32_t numOfTables = taosArrayGetSize(tableNameList);
   STableMeta* pTableMeta = calloc(1, maxSize);
 
+  SArray* plist = taosArrayInit(4, sizeof(SName));
   for(int32_t i = 0; i < numOfTables; ++i) {
     SName* pname = taosArrayGet(tableNameList, i);
     tNameExtractFullName(pname, name);
@@ -7183,9 +7184,16 @@ int32_t loadAllTableMeta(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
       STableMeta* pMeta = tscTableMetaDup(pTableMeta);
       taosHashPut(pCmd->pTableMetaMap, name, strlen(name), &pMeta, POINTER_BYTES);
+    } else {// add to the retrieve table meta array list.
+      taosArrayPush(plist, pname);
     }
   }
 
+  // load the table meta for a given table name list
+  if (taosArrayGetSize(plist) > 0) {
+    doGetTableMetaFromMnode();
+  }
+
 //  return getTableMetaFromMnode(pSql, pTableMetaInfo);
   return TSDB_CODE_SUCCESS;
 }

src/client/src/tscServer.c

@@ -2411,7 +2411,7 @@ static int32_t getTableMetaFromMnode(SSqlObj *pSql, STableMetaInfo *pTableMetaIn
   }
 
   STableMetaInfo *pNewMeterMetaInfo = tscAddEmptyMetaInfo(pNewQueryInfo);
-  assert(/*pNew->cmd.numOfClause == 1 && */pNewQueryInfo->numOfTables == 1);
+  assert(pNewQueryInfo->numOfTables == 1);
 
   tNameAssign(&pNewMeterMetaInfo->name, &pTableMetaInfo->name);