mariadb/mysql-test/main/synchronization.test
2018-03-29 13:59:44 +03:00

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# Save the initial number of concurrent sessions
--source include/count_sessions.inc
#
# Test for Bug#2385 CREATE TABLE LIKE lacks locking on source and destination
# table
#
--disable_warnings
DROP TABLE IF EXISTS t1,t2;
--enable_warnings
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
# locking of source:
CREATE TABLE t1 (x1 INT);
let $1= 10;
while ($1)
{
connection con1;
send ALTER TABLE t1 CHANGE x1 x2 INT;
connection con2;
CREATE TABLE t2 LIKE t1;
replace_result x1 xx x2 xx;
SHOW CREATE TABLE t2;
DROP TABLE t2;
connection con1;
reap;
send ALTER TABLE t1 CHANGE x2 x1 INT;
connection con2;
CREATE TABLE t2 LIKE t1;
replace_result x1 xx x2 xx;
SHOW CREATE TABLE t2;
DROP TABLE t2;
connection con1;
reap;
dec $1;
}
DROP TABLE t1;
connection default;
disconnect con1;
disconnect con2;
# End of 4.1 tests
# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc