* **dble version:<= 3.20.10.99** * **preconditions :** all tables are sharding: create table test1(id int,code varchar(10)); create table test2(id int,code varchar(10)); * **configs:** **sharding.xml** ``` <schema name="testdb"> <shardingTable name="test1" shardingNode="dn1,dn2" function="func_jumpHash" shardingColumn="id"/> <shardingTable name="test2" shardingNode="dn1,dn2" function="func_jumpHash" shardingColumn="id"/> </schema> ``` * **steps:** step1. create view test_view(id,name) AS select * from test1 union select * from test2; * **expect result:** 1. success * **real result:** 1. ERROR 1222 (HY000): The Column_list Size and Select_statement Size Not Match * **supplements:** 1.