--disable_query_log set @@session.explicit_defaults_for_timestamp=off; --enable_query_log # owner: peihan.dph #owner group:sql2 #description:this case is use for test online use of ob1.0 --disable_warnings drop table if exists t1; --enable_warnings select 1+2 c1; select 1+2 as c1; select 1 c1; select 1 as c1; select 1+2 c1 from dual where 1=1; select 1+2 as c1 from dual where 1=1; select 1 c1 from dual where 1=1; select 1 as c1 from dual where NULL is NULL; create table t1(c1 int primary key, c2 int); insert into t1 values(1,1),(2,1); select c2 +100 c3 from t1 where c1=1; select c2 -100 c3 from t1 where c1 in (1,2); drop table t1; create table t1(c1 int,c2 varchar(1024),c3 float,c4 datetime(6),c5 int,c6 varchar(1024),c7 float, primary key(c1,c2)); insert into t1 (c1,c2,c3,c5,c6,c7) values(1,'s',1.5,1,'t',2.5); select c5+1 c51,c6 c61,c7+1 c71 from t1 where c1=1 and c2='s' and c3=1.5; select c5+1 c51,c6 c61,c7+1 c71 from t1 where c1=1 and c2='s' and c3=1.5 and c5 in (1,2,3); drop table t1;