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Dir : ~/www/server/mysql/mysql-test/suite/innodb/t/

Edit File: innodb_i_s_innodb_locks.test

#
# Test that user data is correctly "visualized" in
# INFORMATION_SCHEMA.innodb_locks.lock_data
#

-- source include/have_innodb.inc

# Make sure the locks keep waiting until they are released,
# even on a busy system.
SET GLOBAL innodb_lock_wait_timeout=600;

-- disable_warnings
DROP TABLE IF EXISTS t_min, t_max;
-- enable_warnings

let $table_def =
(
	c01 TINYINT,
	c02 TINYINT UNSIGNED,
	c03 SMALLINT,
	c04 SMALLINT UNSIGNED,
	c05 MEDIUMINT,
	c06 MEDIUMINT UNSIGNED,
	c07 INT,
	c08 INT UNSIGNED,
	c09 BIGINT,
	c10 BIGINT UNSIGNED,
	PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10)
) ENGINE=INNODB;

-- eval CREATE TABLE t_min $table_def;
INSERT INTO t_min VALUES
(-128, 0,
 -32768, 0,
 -8388608, 0,
 -2147483648, 0,
 -9223372036854775808, 0);

-- eval CREATE TABLE t_max $table_def;
INSERT INTO t_max VALUES
(127, 255,
 32767, 65535,
 8388607, 16777215,
 2147483647, 4294967295,
 9223372036854775807, 18446744073709551615);

CREATE TABLE ```t'\"_str` (
	c1 VARCHAR(32),
	c2 VARCHAR(32),
	c3 VARCHAR(32),
	c4 VARCHAR(32),
	c5 VARCHAR(32),
	c6 VARCHAR(32),
	c7 VARCHAR(32),
	PRIMARY KEY(c1, c2, c3, c4, c5, c6, c7)
) ENGINE=INNODB;
INSERT INTO ```t'\"_str` VALUES
('1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''');
INSERT INTO ```t'\"_str` VALUES
('2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""');
INSERT INTO ```t'\"_str` VALUES
('3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\');
INSERT INTO ```t'\"_str` VALUES
('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000);

-- source include/count_sessions.inc

-- connect (con_lock,localhost,root,,)
-- connect (con_min_trylock,localhost,root,,)
-- connect (con_max_trylock,localhost,root,,)
-- connect (con_str_insert_supremum,localhost,root,,)
-- connect (con_str_lock_row1,localhost,root,,)
-- connect (con_str_lock_row2,localhost,root,,)
-- connect (con_str_lock_row3,localhost,root,,)
-- connect (con_str_lock_row4,localhost,root,,)
-- connect (con_verify_innodb_locks,localhost,root,,)

-- connection con_lock
SET autocommit=0;
SELECT * FROM t_min FOR UPDATE;
SELECT * FROM t_max FOR UPDATE;
SELECT * FROM ```t'\"_str` FOR UPDATE;

-- connection con_min_trylock
-- send
SELECT * FROM t_min FOR UPDATE;

-- connection con_max_trylock
-- send
SELECT * FROM t_max FOR UPDATE;

-- connection con_str_insert_supremum
-- send
INSERT INTO ```t'\"_str` VALUES
('z', 'z', 'z', 'z', 'z', 'z', 'z');

-- connection con_str_lock_row1
-- send
SELECT * FROM ```t'\"_str` WHERE c1 = '1' FOR UPDATE;

-- connection con_str_lock_row2
-- send
SELECT * FROM ```t'\"_str` WHERE c1 = '2' FOR UPDATE;

-- connection con_str_lock_row3
-- send
SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE;

-- connection con_str_lock_row4
-- send
SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE;

-- connection con_verify_innodb_locks
# Wait for the above queries to execute before continuing.
# Without this, it sometimes happens that the SELECT from innodb_locks
# executes before some of them, resulting in less than expected number
# of rows being selected from innodb_locks. If there is a bug and there
# are no 14 rows in innodb_locks then this test will fail with timeout.
# Notice that if we query INNODB_LOCKS more often than once per 0.1 sec
# then its contents will never change because the cache from which it is
# filled is updated only if it has not been read for 0.1 seconds. See
# CACHE_MIN_IDLE_TIME_US in trx/trx0i_s.c.
let $cnt=10;
while ($cnt)
{
    let $success=`SELECT COUNT(*) = 14 FROM INFORMATION_SCHEMA.INNODB_LOCKS`;
    if ($success)
    {
        let $cnt=0;
    }
    if (!$success)
    {
        real_sleep 0.2;
        dec $cnt;
    }
}
if (!$success)
{
    -- echo Timeout waiting for rows in INNODB_LOCKS to appear
}

SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data
FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data;

SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
GROUP BY lock_table;

set @save_sql_mode = @@sql_mode;
SET SQL_MODE='ANSI_QUOTES';
SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS
GROUP BY lock_table;
SET @@sql_mode=@save_sql_mode;

# Release all the locks;
-- connection con_lock
COMMIT;

-- connection default

-- disconnect con_lock
-- disconnect con_min_trylock
-- disconnect con_max_trylock
-- disconnect con_str_insert_supremum
-- disconnect con_str_lock_row1
-- disconnect con_str_lock_row2
-- disconnect con_str_lock_row3
-- disconnect con_str_lock_row4
-- disconnect con_verify_innodb_locks

DROP TABLE t_min, t_max, ```t'\"_str`;

-- source include/wait_until_count_sessions.inc

SET GLOBAL innodb_lock_wait_timeout=default;