fix: check super table exists or not when creating child table

source/dnode/vnode/src/meta/metaTable.c

@@ -374,6 +374,13 @@ int metaCreateTable(SMeta *pMeta, int64_t version, SVCreateTbReq *pReq) {
   }
   metaReaderClear(&mr);
 
+  if (pReq->type == TSDB_CHILD_TABLE) {
+    tb_uid_t suid = metaGetTableEntryUidByName(pMeta, pReq->ctb.name);
+    if (suid == 0) {
+      terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
+      return -1;
+    }
+  }
   // build SMetaEntry
   me.version = version;
   me.type = pReq->type;