From d8e2e0500199e5f375826923eb5bada127590444 Mon Sep 17 00:00:00 2001
From: xywang <xywang@taosdata.com>
Date: Thu, 2 Dec 2021 16:41:39 +0800
Subject: [PATCH] [TS-783]<fix>: creating table from child table is neither
 invalid

---
 src/client/src/tscSQLParser.c                  | 2 +-
 tests/pytest/table/create_db_from_normal_db.py | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 3f6fb635b4..a768cbd48b 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -7576,7 +7576,7 @@ int32_t doCheckForCreateFromStable(SSqlObj* pSql, SSqlInfo* pInfo) {
       return code;
     }
 
-    if (UTIL_TABLE_IS_NORMAL_TABLE(pStableMetaInfo)) {
+    if (!UTIL_TABLE_IS_SUPER_TABLE(pStableMetaInfo)) {
       return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg6);
     }
 
diff --git a/tests/pytest/table/create_db_from_normal_db.py b/tests/pytest/table/create_db_from_normal_db.py
index 9ceb2318c5..8b5182c3b1 100644
--- a/tests/pytest/table/create_db_from_normal_db.py
+++ b/tests/pytest/table/create_db_from_normal_db.py
@@ -34,6 +34,7 @@ class TDTestCase:
         tdSql.execute("drop table if exists db.state2;")
         tdSql.execute("create table db.state2 (ts timestamp, c1 int) tags (t binary(20));")
         tdSql.query("create table db.test2 using db.state2 tags('tt');")
+        tdSql.error("create table db.test22 using db.test2 tags('tt');")
 
     def stop(self):
         tdSql.close()
-- 
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