mariadb/mysql-test/suite/maria/t/maria-big.test

# Test of scenarios potentially too big for --valgrind or --mem
--source include/have_maria.inc
--source include/big_test.inc

enable_info;
set storage_engine=maria;
set global maria_log_file_size=4294967295;
disable_warnings;
drop table if exists t1, t2;
enable_warnings;

#
# Test generating data with insert select
# This test case failed once a long time ago
#

create table t1(a char(3));
insert into t1 values("abc");
insert into t1 select "def" from t1;
insert into t1 select "ghi" from t1;
insert into t1 select "jkl" from t1;
insert into t1 select "mno" from t1;
insert into t1 select "pqr" from t1;
insert into t1 select "stu" from t1;
insert into t1 select "vwx" from t1;
insert into t1 select "yza" from t1;
insert into t1 select "ceg" from t1;
insert into t1 select "ikm" from t1;
insert into t1 select "oqs" from t1;
select count(*) from t1;
insert into t1 select "uwy" from t1;
create table t2 select * from t1;
select count(*) from t1;
select count(*) from t2;
drop table t1, t2;

#
# Test creating a really big blob (up to 16M)
#

set @@max_allowed_packet=400000000;
create table t1 (a int, b longtext);
insert into t1 values (1,"123456789012345678901234567890"),(2,"09876543210987654321");

let $loop=23;
while ($loop)
{
  update t1 set b=CONCAT(b,b);
  dec $loop;
}
select a,length(b) from t1;
check table t1;
let $loop=22;
while ($loop)
{
  update t1 set b=mid(b,1,length(b)/2);
  dec $loop;
}
select a,length(b) from t1;
check table t1;

drop table t1;