mariadb/mysql-test/t/analyse.test

#
# Test of procedure analyse
#

--disable_warnings
drop table if exists t1,t2;
--enable_warnings
create table t1 (i int, j int, empty_string char(10), bool char(1), d date);
insert into t1 values (1,2,"","Y","2002-03-03"), (3,4,"","N","2002-03-04"), (5,6,"","Y","2002-03-04"), (7,8,"","N","2002-03-05");
select count(*) from t1 procedure analyse();
select * from t1 procedure analyse();
select * from t1 procedure analyse(2);
create table t2 select * from t1 procedure analyse();
select * from t2;
drop table t1,t2;

EXPLAIN SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE();

#
# Test with impossible where
#
create table t1 (a int not null);
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t1 where 0=1 procedure analyse();
insert into t1 values(1);
drop table t2;
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t2;
insert into t2 select * from t1 procedure analyse();
select * from t2;
insert into t1 values(2);
drop table t2;
create table t2 select * from t1 where 0=1 procedure analyse();
show create table t2;
select * from t2;
insert into t2 select * from t1 procedure analyse();
select * from t2;
drop table t1,t2;