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
|
--echo #
--echo # Bug#69122 - INNODB DOESN'T REDO-LOG INSERT BUFFER MERGE
--echo # OPERATION IF IT IS DONE IN-PLACE
--echo #
--source include/have_innodb.inc
# innodb_change_buffering_debug option is debug only
--source include/have_debug.inc
# Embedded server does not support crashing
--source include/not_embedded.inc
# DBUG_SUICIDE() hangs under valgrind
--source include/not_valgrind.inc
CREATE TABLE t1(
a INT AUTO_INCREMENT PRIMARY KEY,
b CHAR(1),
c INT,
INDEX(b))
ENGINE=InnoDB STATS_PERSISTENT=0;
# The flag innodb_change_buffering_debug is only available in debug builds.
# It instructs InnoDB to try to evict pages from the buffer pool when
# change buffering is possible, so that the change buffer will be used
# whenever possible.
SET GLOBAL innodb_change_buffering_debug = 1;
let SEARCH_FILE = $MYSQLTEST_VARDIR/tmp/my_restart.err;
# Create enough rows for the table, so that the change buffer will be
# used for modifying the secondary index page. There must be multiple
# index pages, because changes to the root page are never buffered.
INSERT INTO t1 VALUES(0,'x',1);
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
INSERT INTO t1 SELECT 0,b,c FROM t1;
BEGIN;
SELECT b FROM t1 LIMIT 3;
connect (con1,localhost,root,,);
connection con1;
BEGIN;
DELETE FROM t1 WHERE a=1;
# This should be buffered, if innodb_change_buffering_debug = 1 is in effect.
INSERT INTO t1 VALUES(1,'X',1);
SET DEBUG='+d,crash_after_log_ibuf_upd_inplace';
--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--error 2013
# This should force a change buffer merge
SELECT b FROM t1 LIMIT 3;
let SEARCH_PATTERN=Wrote log record for ibuf update in place operation;
--source include/search_pattern_in_file.inc
# Write file to make mysql-test-run.pl start up the server again
--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--enable_reconnect
--source include/wait_until_connected_again.inc
CHECK TABLE t1;
# Cleanup
DROP TABLE t1;
|