mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 21:12:26 +01:00
108 lines
3.6 KiB
Text
108 lines
3.6 KiB
Text
#
|
|
# Ensure that the number of locks (SELECT FOR UPDATE for example) is
|
|
# added to the number of altered rows when choosing the smallest
|
|
# transaction to kill as a victim when a deadlock is detected.
|
|
# Also transactions what had edited non-transactional tables should
|
|
# be heavier than ones that had not.
|
|
#
|
|
|
|
-- source include/have_innodb.inc
|
|
|
|
SET storage_engine=InnoDB;
|
|
|
|
# we do not really care about what gets printed, we are only
|
|
# interested in getting the deadlock resolved according to our
|
|
# expectations
|
|
-- disable_query_log
|
|
-- disable_result_log
|
|
|
|
# we want to use "-- eval statement1; statement2" which does not work with
|
|
# prepared statements. Because this test should not behave differently with
|
|
# or without prepared statements we disable them so the test does not fail
|
|
# if someone runs ./mysql-test-run.pl --ps-protocol
|
|
-- disable_ps_protocol
|
|
|
|
-- disable_warnings
|
|
DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans;
|
|
-- enable_warnings
|
|
|
|
# we will create a simple deadlock with t1, t2 and two connections
|
|
CREATE TABLE t1 (a INT);
|
|
CREATE TABLE t2 (a INT);
|
|
|
|
# auxiliary table with a bulk of rows which will be locked by a
|
|
# transaction to increase its weight
|
|
CREATE TABLE t3 (a INT);
|
|
|
|
# auxiliary empty table which will be inserted by a
|
|
# transaction to increase its weight
|
|
CREATE TABLE t4 (a INT);
|
|
|
|
# auxiliary non-transactional table which will be edited by a
|
|
# transaction to tremendously increase its weight
|
|
CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM;
|
|
|
|
INSERT INTO t1 VALUES (1);
|
|
INSERT INTO t2 VALUES (1);
|
|
# insert a lot of rows in t3
|
|
INSERT INTO t3 VALUES (1);
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
INSERT INTO t3 SELECT * FROM t3;
|
|
|
|
# test locking weight
|
|
|
|
-- let $con1_extra_sql =
|
|
-- let $con1_extra_sql_present = 0
|
|
-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
|
|
-- let $con2_extra_sql_present = 1
|
|
-- let $con1_should_be_rolledback = 1
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1)
|
|
-- let $con1_extra_sql_present = 1
|
|
-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
|
|
-- let $con2_extra_sql_present = 1
|
|
-- let $con1_should_be_rolledback = 1
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1)
|
|
-- let $con1_extra_sql_present = 1
|
|
-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
|
|
-- let $con2_extra_sql_present = 1
|
|
-- let $con1_should_be_rolledback = 0
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
# test weight when non-transactional tables are edited
|
|
|
|
-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
|
|
-- let $con1_extra_sql_present = 1
|
|
-- let $con2_extra_sql =
|
|
-- let $con2_extra_sql_present = 0
|
|
-- let $con1_should_be_rolledback = 0
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
|
|
-- let $con1_extra_sql_present = 1
|
|
-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
|
|
-- let $con2_extra_sql_present = 1
|
|
-- let $con1_should_be_rolledback = 1
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
|
|
-- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1)
|
|
-- let $con1_extra_sql_present = 1
|
|
-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
|
|
-- let $con2_extra_sql_present = 1
|
|
-- let $con1_should_be_rolledback = 0
|
|
-- source include/innodb_trx_weight.inc
|
|
|
|
DROP TABLE t1, t2, t3, t4, t5_nontrans;
|