mariadb/mysql-test/suite/innodb/t/innodb_information_schema.test

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

-- source include/have_innodb.inc

# lock data that is part of result set for this testcase
# is retreived using buf_page_try_get. i.e only show if page
# happen to be in buffer pool, with key rotation threads
# chances are substantial that pages have been evicted and lock_data
# get NULL
-- source include/not_encrypted.inc

SET default_storage_engine=InnoDB;

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)
);

-- 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)
);
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);

-- 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 $cnt=200;
while ($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
}

--replace_column 6 #
--sorted_result
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;

-- 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`;

#
# Test that transaction data is correctly "visualized" in
# INFORMATION_SCHEMA.INNODB_TRX
#

DESCRIBE INFORMATION_SCHEMA.INNODB_TRX;

-- disable_warnings
DROP TABLE IF EXISTS t1;
-- enable_warnings

CREATE TABLE t1 (
	c01 INT,
	c02 INT,
	PRIMARY KEY (c01)
) ENGINE = InnoDB;

INSERT INTO t1 VALUES
(1,2),(2,4),(3,6),(4,8);

CREATE TABLE t2 (
	c01 INT,
	c02 INT,
	PRIMARY KEY (c01),
	FOREIGN KEY fk1 (c02) REFERENCES t1 (c01)
) ENGINE = InnoDB;

INSERT INTO t2 VALUES
(1,1),(2,2),(3,3);

-- connect (con_trx,localhost,root,,)
-- connect (con_verify_innodb_trx,localhost,root,,)

-- connection con_trx
SET autocommit=0;
INSERT INTO t1 VALUES (5,10);
SELECT * FROM t1 FOR UPDATE;

let $wait_condition=
  SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_TRX;
--source include/wait_condition.inc

-- connection con_verify_innodb_trx
SELECT trx_state, trx_weight, trx_tables_in_use, trx_tables_locked,
trx_rows_locked, trx_rows_modified, trx_concurrency_tickets,
trx_isolation_level, trx_unique_checks, trx_foreign_key_checks
FROM INFORMATION_SCHEMA.INNODB_TRX;

-- connection con_trx
ROLLBACK;
SET FOREIGN_KEY_CHECKS = 0;
SET UNIQUE_CHECKS = 0;
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN;
INSERT INTO t1 VALUES (6,12);

let $wait_condition=
  SELECT trx_unique_checks = 0 FROM INFORMATION_SCHEMA.INNODB_TRX;
--source include/wait_condition.inc

-- connection con_verify_innodb_trx
SELECT trx_isolation_level, trx_unique_checks, trx_foreign_key_checks
FROM INFORMATION_SCHEMA.INNODB_TRX;

-- connection con_trx
ROLLBACK;
SET FOREIGN_KEY_CHECKS = 1;
SET UNIQUE_CHECKS = 1;
BEGIN;
-- error 1452
INSERT INTO t2 VALUES (4,10);

let $wait_condition=
  SELECT trx_unique_checks  = 1 FROM INFORMATION_SCHEMA.INNODB_TRX;
--source include/wait_condition.inc

-- connection con_verify_innodb_trx
SELECT trx_state, trx_isolation_level, trx_last_foreign_key_error
FROM INFORMATION_SCHEMA.INNODB_TRX;

-- connection default

-- disconnect con_trx
-- disconnect con_verify_innodb_trx

DROP TABLE t2;
DROP TABLE t1;