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Current File : /www/server/mysql/src/mysql-test/suite/innodb/t/innodb_i_s_innodb_trx.test
--source include/have_innodb.inc

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

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

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 STATS_AUTO_RECALC=0;

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 STATS_AUTO_RECALC=0;

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

-- source include/count_sessions.inc

-- 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_timeout= 300;
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_timeout= 300;
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_timeout= 300;
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;

-- source include/wait_until_count_sessions.inc

SET GLOBAL innodb_lock_wait_timeout=default;

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