should not set tiflash replica while create temporary table like a table with tiflash replica

[aytrack]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

set tidb_enable_noop_functions = 1;
drop table if exists tbl_1, tb1;
create table tbl_1 (a int);
alter table tbl_1 set tiflash replica 1;
create temporary table tb1 like tbl_1;
select * from information_schema.tiflash_replica;

2. What did you expect to see? (Required)

doesn't set tiflash replica for tb1

3. What did you see instead (Required)

MySQL >  select * from information_schema.tiflash_replica;
+--------------+------------+----------+---------------+-----------------+-----------+----------+
| TABLE_SCHEMA | TABLE_NAME | TABLE_ID | REPLICA_COUNT | LOCATION_LABELS | AVAILABLE | PROGRESS |
+--------------+------------+----------+---------------+-----------------+-----------+----------+
| test         | tbl_1      | 79       | 1             |                 | 1         | 1.0      |
| test         | tb1        | 82       | 1             |                 | 1         | 1.0      |
+--------------+------------+----------+---------------+-----------------+-----------+----------+

4. What is your TiDB version? (Required)

MySQL root@127.0.0.1:test> select tidb_version()\G
***************************[ 1. row ]***************************
tidb_version() | Release Version: v5.1.0-alpha-14-gd1b3e4711-dirty
Edition: Community
Git Commit Hash: d1b3e47111a34a2d3e9ca9aec94292f822c2f5a4
Git Branch: HEAD
UTC Build Time: 2021-05-30 19:56:32
GoVersion: go1.13.4
Race Enabled: false
TiKV Min Version: v3.0.0-60965b006877ca7234adaced7890d7b029ed1306
Check Table Before Drop: false

[tisonkun]

Please refer this issue to the tracking issue of temporary table #24169 .

[ti-srebot]

Bug

1. Root Cause Analysis (RCA) (optional)

Did not check setting tiflash replicas for temporary tabes.

2. Symptom (optional)

3. All Trigger Conditions (optional)

4. Workaround (optional)

5. Affected versions

unreleased

6. Fixed versions

master