/usr/lib/mysql-testsuite/t/multi_update2.test is in mysql-testsuite-5.6 5.6.16-1~exp1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | #
# 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.
#
--source include/big_test.inc
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
#
--disable_warnings
DROP TABLE IF EXISTS t1,t2;
--enable_warnings
CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL) ;
--echo # The protocolling of many inserts into t1 is suppressed.
--disable_query_log
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4);
let $1=19;
set @d=4;
while ($1)
{
eval INSERT INTO t1 SELECT a+@d,b+@d FROM t1;
eval SET @d=@d*2;
dec $1;
}
--enable_query_log
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;
|