connect con1, localhost, root; set lc_time_names = 'es_MX'; set time_zone='+10:00'; set div_precision_increment=20; create table t1 (a int, b int, v decimal(20,19) as (a/3)); create table t2 (a int, b int, v int as (a+@a)); drop table t2; create table t2 (a int, b int, v int as (a+@a) PERSISTENT); ERROR HY000: Function or expression '@a' cannot be used in the GENERATED ALWAYS AS clause of `v` create table t3_ok (a int, b int, v int as (a+@@error_count)); create table t3 (a int, b int, v int as (a+@@error_count) PERSISTENT); ERROR HY000: Function or expression '@@error_count' cannot be used in the GENERATED ALWAYS AS clause of `v` create table t4 (a int, b int, v int as (@a:=a)); drop table t4; create table t4 (a int, b int, v int as (@a:=a) PERSISTENT); ERROR HY000: Function or expression '@a' cannot be used in the GENERATED ALWAYS AS clause of `v` create table t8 (a int, b int, v varchar(100) as (from_unixtime(a))); insert t1 (a,b) values (1,2); insert t8 (a,b) values (1234567890,2); select * from t1; a b v 1 2 0.3333333333333333333 select * from t8; a b v 1234567890 2 2009-02-14 09:31:30 disconnect con1; connection default; set time_zone='+1:00'; flush tables; select * from t1; a b v 1 2 0.3333333330000000000 select * from t8; a b v 1234567890 2 2009-02-14 00:31:30 drop table t1, t3_ok, t8;