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FLUSH TABLES WITH READ LOCK AND DISABLE CHECKPOINT;
UNLOCK TABLES;
CREATE TABLE t1 ( m MEDIUMTEXT ) ENGINE=InnoDB;
INSERT INTO t1 VALUES ( REPEAT('i',65535) );
DROP TABLE t1;
#
# WL#6168: FLUSH TABLES ... FOR EXPORT -- parser
#
# Requires innodb_file_per_table
SET @old_innodb_file_per_table= @@GLOBAL.innodb_file_per_table;
SET GLOBAL innodb_file_per_table= 1;
# new "EXPORT" keyword is a valid user variable name:
SET @export = 10;
# new "EXPORT" keyword is a valid SP parameter name:
CREATE PROCEDURE p1(export INT) BEGIN END;
DROP PROCEDURE p1;
# new "EXPORT" keyword is a valid local variable name:
CREATE PROCEDURE p1()
BEGIN
DECLARE export INT;
END|
DROP PROCEDURE p1;
# new "EXPORT" keyword is a valid SP name:
CREATE PROCEDURE export() BEGIN END;
DROP PROCEDURE export;
# new FLUSH TABLES ... FOR EXPORT syntax:
FLUSH TABLES FOR EXPORT;
ERROR 42000: No tables used near 'FOR EXPORT' at line 1
FLUSH TABLES WITH EXPORT;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'EXPORT' at line 1
CREATE TABLE t1 (i INT) engine=InnoDB;
CREATE TABLE t2 LIKE t1;
FLUSH TABLES t1,t2 WITH EXPORT;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'EXPORT' at line 1
FLUSH TABLES t1, t2 FOR EXPORT;
UNLOCK TABLES;
# case check
FLUSH TABLES t1, t2 for ExPoRt;
UNLOCK TABLES;
# With LOCAL keyword
FLUSH LOCAL TABLES t1, t2 FOR EXPORT;
UNLOCK TABLES;
# Tables with fully qualified names
FLUSH LOCAL TABLES test.t1, test.t2 for ExPoRt;
UNLOCK TABLES;
DROP TABLES t1, t2;
# new "EXPORT" keyword is a valid table name:
CREATE TABLE export (i INT) engine=InnoDB;
# it's ok to lock the "export" table for export:
FLUSH TABLE export FOR EXPORT;
UNLOCK TABLES;
DROP TABLE export;
#
# WL#6169 FLUSH TABLES ... FOR EXPORT -- runtime
#
# Test 1: Views, temporary tables, non-existent tables
#
CREATE VIEW v1 AS SELECT 1;
CREATE TEMPORARY TABLE t1 (a INT);
FLUSH TABLES v1 FOR EXPORT;
UNLOCK TABLES;
FLUSH TABLES t1 FOR EXPORT;
ERROR 42S02: Table 'test.t1' doesn't exist
FLUSH TABLES non_existent FOR EXPORT;
ERROR 42S02: Table 'test.non_existent' doesn't exist
DROP TEMPORARY TABLE t1;
DROP VIEW v1;
# Test 2: Blocked by update transactions, blocks updates.
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT) engine= InnoDB;
CREATE TABLE t2 (a INT) engine= InnoDB;
connect con1, localhost, root;
START TRANSACTION;
INSERT INTO t1 VALUES (1, 1);
connection default;
# Should be blocked
# Sending:
FLUSH TABLES t1 FOR EXPORT;
connection con1;
COMMIT;
connection default;
# Reaping: FLUSH TABLES t1 FOR EXPORT
connection con1;
# Should not be blocked
INSERT INTO t2 VALUES (1);
# Should be blocked
# Sending:
INSERT INTO t1 VALUES (2, 2);
connection default;
UNLOCK TABLES;
connection con1;
# Reaping: INSERT INTO t1 VALUES (2, 2);
# Test 3: Read operations should not be affected.
#
START TRANSACTION;
SELECT * FROM t1;
a b
1 1
2 2
connection default;
# Should not be blocked
FLUSH TABLES t1 FOR EXPORT;
connection con1;
COMMIT;
# Should not be blocked
SELECT * FROM t1;
a b
1 1
2 2
connection default;
UNLOCK TABLES;
# Test 4: Blocked by DDL, blocks DDL.
#
START TRANSACTION;
SELECT * FROM t1;
a b
1 1
2 2
connect con2, localhost, root;
# Sending:
ALTER TABLE t1 ADD INDEX i1(b);
connection con1;
# Should be blocked
FLUSH TABLE t1 FOR EXPORT;
connection default;
COMMIT;
connection con2;
# Reaping ALTER TABLE ...
connection con1;
# Reaping FLUSH TABLE t1 FOR EXPORT
UNLOCK TABLES;
connection default;
FLUSH TABLE t1 FOR EXPORT;
connection con2;
# Should be blocked
DROP TABLE t1;
connection default;
UNLOCK TABLES;
connection con2;
# Reaping DROP TABLE t1
disconnect con2;
connection default;
DROP TABLE t2;
# Test 5: Compatibilty with FLUSH TABLES WITH READ LOCK
#
CREATE TABLE t1(a INT) engine= InnoDB;
FLUSH TABLES WITH READ LOCK;
connection con1;
# This should not block
FLUSH TABLE t1 FOR EXPORT;
UNLOCK TABLES;
connection default;
UNLOCK TABLES;
DROP TABLE t1;
# Test 6: Unsupported storage engines.
#
CREATE TABLE t1(a INT) engine= MEMORY;
FLUSH TABLE t1 FOR EXPORT;
ERROR HY000: Storage engine MEMORY of the table `test`.`t1` doesn't have this option
DROP TABLE t1;
connection con1;
disconnect con1;
connection default;
# Test 7: Check privileges required.
# in flush-innodb-notembedded.test
# Test 8: FLUSH TABLE <table_list> FOR EXPORT is incompatible
# with itself (to avoid race conditions in metadata
# file handling).
#
CREATE TABLE t1 (a INT) engine= InnoDB;
CREATE TABLE t2 (a INT) engine= InnoDB;
connect con1, localhost, root;
FLUSH TABLE t1 FOR EXPORT;
connection default;
# This should not block
FLUSH TABLE t2 FOR EXPORT;
UNLOCK TABLES;
# This should block
# Sending:
FLUSH TABLE t1 FOR EXPORT;
connection con1;
UNLOCK TABLES;
connection default;
# Reaping: FLUSH TABLE t1 FOR EXPORT
UNLOCK TABLES;
# Test 9: LOCK TABLES ... READ is not affected
#
LOCK TABLE t1 READ;
connection con1;
# Should not block
FLUSH TABLE t1 FOR EXPORT;
UNLOCK TABLES;
connection default;
UNLOCK TABLES;
FLUSH TABLE t1 FOR EXPORT;
connection con1;
# Should not block
LOCK TABLE t1 READ;
UNLOCK TABLES;
connection default;
UNLOCK TABLES;
connection con1;
disconnect con1;
connection default;
DROP TABLE t1, t2;
# Test 10: Lock is released if transaction is started after doing
# 'flush table..' in same session
CREATE TABLE t1 ( i INT ) ENGINE = Innodb;
FLUSH TABLE t1 FOR EXPORT;
# error as active locks already exist
FLUSH TABLE t1 FOR EXPORT;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
# active locks will be released due to start transaction
START TRANSACTION;
# passes as start transaction released ealier locks
FLUSH TABLE t1 FOR EXPORT;
UNLOCK TABLES;
DROP TABLE t1;
# Test 11: Test 'flush table with fully qualified table names
# and with syntax local/NO_WRITE_TO_BINLOG
connect con1, localhost, root;
connection default;
CREATE TABLE t1 ( i INT ) ENGINE = Innodb;
INSERT INTO t1 VALUES (100),(200);
FLUSH LOCAL TABLES test.t1 FOR EXPORT;
connection con1;
# Should be blocked
# Sending:
FLUSH LOCAL TABLES t1 FOR EXPORT;
connection default;
UNLOCK TABLE;
connection con1;
# Reaping: FLUSH LOCAL TABLES t1 FOR EXPORT
SELECT * FROM t1 ORDER BY i;
i
100
200
connection default;
# Should be blocked
# Sending:
FLUSH NO_WRITE_TO_BINLOG TABLES test.t1 FOR EXPORT;
connection con1;
UNLOCK TABLES;
connection default;
# Reaping: FLUSH NO_WRITE_TO_BINLOG TABLES test.t1 FOR EXPORT
SELECT * FROM t1 ORDER BY i;
i
100
200
UNLOCK TABLE;
DROP TABLE t1;
# Test 12: Active transaction get committed if user execute
# "FLUSH TABLE ... FOR EXPORT" or "LOCK TABLE.."
connection default;
CREATE TABLE t1 ( i INT ) ENGINE = Innodb;
INSERT INTO t1 VALUES (100),(200);
START TRANSACTION;
INSERT INTO t1 VALUES (300);
# 'flush table..' commit active transaction from same session
FLUSH LOCAL TABLES test.t1 FOR EXPORT;
ROLLBACK;
SELECT * FROM t1 ORDER BY i;
i
100
200
300
START TRANSACTION;
INSERT INTO t1 VALUES (400);
# 'lock table ..' commit active transaction from same session
LOCK TABLES test.t1 READ;
ROLLBACK;
SELECT * FROM t1 ORDER BY i;
i
100
200
300
400
UNLOCK TABLES;
DROP TABLE t1;
# Test 13: Verify "FLUSH TABLE ... FOR EXPORT" and "LOCK TABLE.."
# in same session
connection default;
CREATE TABLE t1 ( i INT ) ENGINE = Innodb;
# Lock table
LOCK TABLES test.t1 WRITE;
# 'lock table ..' completes even if table lock is acquired
# in same session using 'lock table'. Previous locks are released.
LOCK TABLES test.t1 READ;
# 'flush table ..' gives error if table lock is acquired
# in same session using 'lock table ..'
FLUSH TABLES test.t1 FOR EXPORT;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
# 'lock table ..' completes even if table lock is acquired
# in same session using 'flush table'. Previous locks are released.
LOCK TABLES test.t1 WRITE;
UNLOCK TABLES;
DROP TABLE t1;
connection con1;
disconnect con1;
connection default;
# Reset innodb_file_per_table
SET GLOBAL innodb_file_per_table= @old_innodb_file_per_table;
# End of 5.6 tests
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