mariadb/mysql-test/suite/tokudb/t/mvcc-6.test

# make sure reads done during writes take read locks

#--source include/have_tokudb.inc
SET DEFAULT_STORAGE_ENGINE = 'tokudb';

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

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

connection default;
set session transaction isolation level repeatable read;
create table foo (a int, b int, primary key (a), key (b))engine=TokuDB;
show create table foo;
insert into foo values (100,100);
begin;
insert into foo values (1,100);


connection conn1;
set session transaction isolation level repeatable read;
begin;
--echo # should NOT see (1,100)
select * from foo;
--echo # should be empty
select * from foo where a=1;
--echo # should fail with a lock wait timeout
--error ER_LOCK_WAIT_TIMEOUT
insert into foo values (1,1000);

connection default;
commit;
--echo # should return two values
select * from foo;

connection conn1;
--echo # should be empty
select * from foo where a=1;
--echo # should fail with a dup entry
--error ER_DUP_ENTRY
insert into foo values (1,1000);
commit;

connection default;
disconnect conn1;

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