--source include/have_tokudb.inc
use test;

drop table if exists site;
drop table if exists screenshot;

CREATE TABLE `site` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(200) NOT NULL DEFAULT '',
  PRIMARY KEY (`id`),
  KEY `owner_title` (`title`)
) ENGINE=TokuDB AUTO_INCREMENT=575 DEFAULT CHARSET=utf8;

CREATE TABLE `screenshot` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `site` int(11) unsigned NOT NULL,
  `timestamp` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`)
) ENGINE=TokuDB AUTO_INCREMENT=82720 DEFAULT CHARSET=utf8;

INSERT INTO `site` (`id`, `title`)
VALUES
	(9, 'Facebook'),
	(6, 'Google');

INSERT INTO `screenshot` (`id`, `site`, `timestamp`)
VALUES
	(74675, 6, '2013-04-28 12:37:03'),
	(82712, 6, '2013-04-30 12:47:04'),
	(299, 9, '2012-09-09 13:15:28'),
	(63038, 9, '2013-04-26 12:07:06'),
	(82213, 9, '2013-04-29 20:00:11'),
	(3911, 33, '2012-11-12 00:00:42');

#this query is always correct
SELECT * 
FROM site 
LEFT JOIN screenshot
    ON site.id = screenshot.site 
    AND timestamp > '2013-04-28 13:30:00'
WHERE screenshot.id IS NULL;

# this query is always correct
SELECT * FROM site where site.id not in (select screenshot.site from screenshot where timestamp > '2013-04-28 13:30:00');

# adding either of these two indexes causes the SQL to return an incorrect rowset (1 rows instead of 0 rows)
 create index `site` on screenshot(`site`);

# this query is wrong when one or both of the above indexes is added
SELECT * 
FROM site 
LEFT JOIN screenshot
    ON site.id = screenshot.site 
    AND timestamp > '2013-04-28 13:30:00'
WHERE screenshot.id IS NULL;

drop table site;
drop table screenshot;