1#
2# Ensure that the number of locks (SELECT FOR UPDATE for example) is
3# added to the number of altered rows when choosing the smallest
4# transaction to kill as a victim when a deadlock is detected.
5# Also transactions what had edited non-transactional tables should
6# be heavier than ones that had not.
7#
8
9-- source include/have_innodb.inc
10
11SET default_storage_engine=InnoDB;
12
13# we do not really care about what gets printed, we are only
14# interested in getting the deadlock resolved according to our
15# expectations
16-- disable_query_log
17-- disable_result_log
18
19# we want to use "-- eval statement1; statement2" which does not work with
20# prepared statements. Because this test should not behave differently with
21# or without prepared statements we disable them so the test does not fail
22# if someone runs ./mysql-test-run.pl --ps-protocol
23-- disable_ps_protocol
24
25-- disable_warnings
26DROP TABLE IF EXISTS t1, t2, t3, t4, t5_nontrans;
27-- enable_warnings
28
29# we will create a simple deadlock with t1, t2 and two connections
30CREATE TABLE t1 (a INT);
31CREATE TABLE t2 (a INT);
32
33# auxiliary table with a bulk of rows which will be locked by a
34# transaction to increase its weight
35CREATE TABLE t3 (a INT);
36
37# auxiliary empty table which will be inserted by a
38# transaction to increase its weight
39CREATE TABLE t4 (a INT);
40
41# auxiliary non-transactional table which will be edited by a
42# transaction to tremendously increase its weight
43CREATE TABLE t5_nontrans (a INT) ENGINE=MyISAM;
44
45INSERT INTO t1 VALUES (1);
46INSERT INTO t2 VALUES (1);
47# insert a lot of rows in t3
48INSERT INTO t3 VALUES (1);
49INSERT INTO t3 SELECT * FROM t3;
50INSERT INTO t3 SELECT * FROM t3;
51INSERT INTO t3 SELECT * FROM t3;
52INSERT INTO t3 SELECT * FROM t3;
53INSERT INTO t3 SELECT * FROM t3;
54INSERT INTO t3 SELECT * FROM t3;
55INSERT INTO t3 SELECT * FROM t3;
56INSERT INTO t3 SELECT * FROM t3;
57INSERT INTO t3 SELECT * FROM t3;
58INSERT INTO t3 SELECT * FROM t3;
59INSERT INTO t3 SELECT * FROM t3;
60
61# test locking weight
62
63-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)
64-- let $con1_extra_sql_present = 1
65-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
66-- let $con2_extra_sql_present = 1
67-- let $con1_should_be_rolledback = 0
68-- source include/innodb_trx_weight.inc
69
70# insert more rows for 64k page size.
71INSERT INTO t3 SELECT * FROM t3;
72
73-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1)
74-- let $con1_extra_sql_present = 1
75-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
76-- let $con2_extra_sql_present = 1
77-- let $con1_should_be_rolledback = 1
78-- source include/innodb_trx_weight.inc
79
80-- let $con1_extra_sql =
81-- let $con1_extra_sql_present = 0
82-- let $con2_extra_sql = SELECT * FROM t3 FOR UPDATE
83-- let $con2_extra_sql_present = 1
84-- let $con1_should_be_rolledback = 1
85-- source include/innodb_trx_weight.inc
86
87# test weight when non-transactional tables are edited
88
89-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
90-- let $con1_extra_sql_present = 1
91-- let $con2_extra_sql =
92-- let $con2_extra_sql_present = 0
93-- let $con1_should_be_rolledback = 0
94-- source include/innodb_trx_weight.inc
95
96-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
97-- let $con1_extra_sql_present = 1
98-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
99-- let $con2_extra_sql_present = 1
100-- let $con1_should_be_rolledback = 1
101-- source include/innodb_trx_weight.inc
102
103-- let $con1_extra_sql = INSERT INTO t4 VALUES (1), (1), (1)
104-- let $con1_extra_sql = $con1_extra_sql; INSERT INTO t5_nontrans VALUES (1)
105-- let $con1_extra_sql_present = 1
106-- let $con2_extra_sql = INSERT INTO t5_nontrans VALUES (1)
107-- let $con2_extra_sql_present = 1
108-- let $con1_should_be_rolledback = 0
109-- source include/innodb_trx_weight.inc
110
111DROP TABLE t1, t2, t3, t4, t5_nontrans;
112