mariadb/mysql-test/suite/tokudb.alter_table/t/hcad_with_dels.test

# test simple MVCC, that a transaction does not read something committed after it

#--source include/have_tokudb.inc
SET DEFAULT_STORAGE_ENGINE = 'tokudb';
set session transaction isolation level repeatable read;
set session tokudb_disable_slow_alter=ON;

--echo # Establish connection conn1 (user = root)
connect (conn1,localhost,root,,);

--disable_warnings
DROP TABLE IF EXISTS foo,bar;
--enable_warnings

connection conn1;
set session transaction isolation level repeatable read;
create table foo (a int, b int) engine=TokuDB;
create table bar (a int) engine=TokuDB;
insert into foo values (1,10),(2,20),(3,30);

begin;
select * from bar;

connection default;
delete from foo;
select * from foo;
alter table foo add column c int first;
alter table foo drop column b;

connection conn1;
commit;

connection default;
disconnect conn1;

connection default;
# Final cleanup.
set session transaction isolation level serializable;
DROP TABLE foo,bar;