File: zlob_ibd_size.test

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--source include/big_test.inc
--source include/have_innodb_16k.inc
--source include/have_debug.inc
--source include/not_valgrind.inc


--echo # Ensure that there is not already lot of data to be purged.
--echo # If timeout happens here, then check the chain of previously
--echo # executed test cases.
let $wait_timeout = 100;
--source include/wait_innodb_all_purged.inc

SET GLOBAL innodb_compression_level = 0;

CREATE TABLE `t`
(`id` INT NOT NULL AUTO_INCREMENT,
 `b` LONGBLOB,
 PRIMARY KEY(`id`)) ENGINE=InnoDB ROW_FORMAT=COMPRESSED;

DELIMITER $;
CREATE PROCEDURE p(p_num INT)
BEGIN
  DECLARE v_i INT DEFAULT 0;
  REPEAT
    UPDATE t SET b:=REPEAT('a',1024*1024*4);
    UPDATE t SET b:=REPEAT('b',1024*1024*4);
    SET v_i:=v_i+1;
  UNTIL v_i>p_num END REPEAT;
END $
DELIMITER ;$

SET @b:=repeat('b',4*1024*1024);
INSERT INTO t(id,b) VALUES(1,@b);

START TRANSACTION;
CALL p(20);
COMMIT;

FLUSH TABLES `t` FOR EXPORT;
UNLOCK TABLES;
let $wait_timeout = 100;
--source include/wait_innodb_all_purged.inc

SET @fs1 = (SELECT file_size FROM information_schema.innodb_tablespaces
                 WHERE name = 'test/t');

START TRANSACTION;
CALL p(20);
COMMIT;

FLUSH TABLES `t` FOR EXPORT;
UNLOCK TABLES;
let $wait_timeout = 100;
--source include/wait_innodb_all_purged.inc

SET @fs2 = (SELECT file_size FROM information_schema.innodb_tablespaces
               WHERE name = 'test/t');

SET @growing = (SELECT (@fs2 - @fs1));

SELECT @growing;

if (`SELECT @growing > 0`) {
  --echo Error: The ibd file 'test/t.ibd' is growing.

}

START TRANSACTION;
CALL p(20);
ROLLBACK;

FLUSH TABLES `t` FOR EXPORT;
UNLOCK TABLES;
let $wait_timeout = 100;
--source include/wait_innodb_all_purged.inc

SET @fs3 = (SELECT file_size FROM information_schema.innodb_tablespaces
                 WHERE name = 'test/t');

SET @growing = (SELECT (@fs3 - @fs2));

SELECT @growing;

if (`SELECT @growing > 0`) {
  --echo Error: The ibd file 'test/t.ibd' is growing.

}

DROP PROCEDURE p;
DROP TABLE t;

SET GLOBAL innodb_compression_level = DEFAULT;