mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
63 lines
1.7 KiB
Text
63 lines
1.7 KiB
Text
--source include/long_test.inc
|
|
--source include/have_sequence.inc
|
|
|
|
#
|
|
# Test of update statement that uses many tables.
|
|
#
|
|
|
|
#
|
|
# If we are running with
|
|
# - Valgrind -> $VALGRIND_TEST <> 0
|
|
# - debug tracing -> @@session.debug LIKE '%trace%'
|
|
# the resource consumption (storage space needed, runtime) will be extreme.
|
|
# Therefore we require that the option "--big-test" is also set.
|
|
#
|
|
|
|
let $need_big= 0;
|
|
--disable_query_log
|
|
--error 0,ER_UNKNOWN_SYSTEM_VARIABLE
|
|
SET @aux = @@session.debug;
|
|
if (!$mysql_errno)
|
|
{
|
|
# We have returncode 0 = the server system variable @@session.debug exists.
|
|
# But we only need "--big-test" in case of tracing.
|
|
if (`SELECT @@session.debug LIKE '%trace%'`)
|
|
{
|
|
let $need_big= 1;
|
|
}
|
|
}
|
|
--enable_query_log
|
|
if ($VALGRIND_TEST)
|
|
{
|
|
# We are running with Valgrind
|
|
inc $need_big;
|
|
}
|
|
if (`SELECT '$BIG_TEST' = '' AND $need_big = 1`)
|
|
{
|
|
--skip Need "--big-test" when running with the option "--debug" or "--valgrind"
|
|
}
|
|
|
|
#
|
|
# Bug#1820 Rows not deleted from second table on multi-table delete
|
|
#
|
|
|
|
CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL) ;
|
|
INSERT INTO t1 SELECT seq,seq FROM seq_1_to_2097152;
|
|
|
|
ALTER TABLE t1 ADD INDEX i1(a);
|
|
DELETE FROM t1 WHERE a > 2000000;
|
|
CREATE TABLE t2 LIKE t1;
|
|
INSERT INTO t2 SELECT * FROM t1;
|
|
|
|
SELECT 't2 rows before small delete', COUNT(*) FROM t1;
|
|
DELETE t1,t2 FROM t1,t2 WHERE t1.b=t2.a AND t1.a < 2;
|
|
SELECT 't2 rows after small delete', COUNT(*) FROM t2;
|
|
SELECT 't1 rows after small delete', COUNT(*) FROM t1;
|
|
|
|
## Try deleting many rows
|
|
|
|
DELETE t1,t2 FROM t1,t2 WHERE t1.b=t2.a AND t1.a < 100*1000;
|
|
SELECT 't2 rows after big delete', COUNT(*) FROM t2;
|
|
SELECT 't1 rows after big delete', COUNT(*) FROM t1;
|
|
|
|
DROP TABLE t1,t2;
|