Merge pull request #7753 from taosdata/hotfix/TD-6470-m

[td-6470]fix meta realloc issue

src/client/src/tscServer.c

@@ -3007,6 +3007,7 @@ int32_t tscGetTableMetaImpl(SSqlObj* pSql, STableMetaInfo *pTableMetaInfo, bool
     // in case of child table, here only get the
     if (pMeta->tableType == TSDB_CHILD_TABLE) {
       int32_t code = tscCreateTableMetaFromSTableMeta(&pTableMetaInfo->pTableMeta, name, &pTableMetaInfo->tableMetaCapacity);
+      pMeta   = pTableMetaInfo->pTableMeta;
       if (code != TSDB_CODE_SUCCESS) {
         return getTableMetaFromMnode(pSql, pTableMetaInfo, autocreate);
       }