--disable_query_log set @@session.explicit_defaults_for_timestamp=off; --enable_query_log # owner: yuchen.wyc # owner group: SQL1 # Test of functions get --disable_warnings drop table if exists t2; --enable_warnings create table t2 (i int primary key, j int); insert into t2 values (1,1),(2,2),(5,null),(4,4),(3,3); select * from t2 where (i) in ((1),(null)) and i = 2; select * from t2 where (i) in ((1),(null)) and i = 1; select * from t2 where (i) in ((1),(null)); select * from t2 where (i) in ((1),(null)) and i = 1 and i = 2; update t2 set j=i+1 where i=2; select * from t2; drop table t2;