mariadb/mysql-test/t/rename.test
unknown 9f606932f7 Fix race condition of concurrent RENAME and SHOW TABLES which caused
random test failures.


mysql-test/t/rename.test:
  Fix race condition and add cleanup code.
2006-05-06 09:41:24 +04:00

75 lines
1.7 KiB
Text

#
# Test of rename table
#
# Test requires concurrent connections, which can't be tested on embedded
# server
-- source include/not_embedded.inc
--disable_warnings
drop table if exists t0,t1,t2,t3,t4;
# Clear up from other tests (to ensure that SHOW TABLES below is right)
drop table if exists t0,t5,t6,t7,t8,t9,t1_1,t1_2,t9_1,t9_2;
--enable_warnings
create table t0 SELECT 1,"table 1";
create table t2 SELECT 2,"table 2";
create table t3 SELECT 3,"table 3";
rename table t0 to t1;
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
select * from t1;
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
select * from t1;
# The following should give errors
--error 1050,1050
rename table t1 to t2;
--error 1050,1050
rename table t1 to t1;
--error 1050,1050
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t2;
show tables like "t_";
--error 1050,1050
rename table t3 to t1, t2 to t3, t1 to t2, t4 to t1;
--error 1017,1017
rename table t3 to t4, t5 to t3, t1 to t2, t4 to t1;
select * from t1;
select * from t2;
select * from t3;
# This should give a warning for t4
drop table if exists t1,t2,t3,t4;
#
# Test-case for Bug #2397 RENAME TABLES is not blocked by
# FLUSH TABLES WITH READ LOCK
#
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
connection con1;
CREATE TABLE t1 (a int);
CREATE TABLE t3 (a int);
connection con2;
FLUSH TABLES WITH READ LOCK;
connection con1;
send RENAME TABLE t1 TO t2, t3 to t4;
connection con2;
sleep 1;
show tables;
UNLOCK TABLES;
connection con1;
reap;
connection con2;
show tables;
drop table t2, t4;
disconnect con2;
disconnect con1;
connection default;
# End of 4.1 tests