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50 lines
1.5 KiB
Text
50 lines
1.5 KiB
Text
use test;
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drop table if exists site;
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Warnings:
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Note 1051 Unknown table 'site'
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drop table if exists screenshot;
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Warnings:
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Note 1051 Unknown table 'screenshot'
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CREATE TABLE `site` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
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`title` varchar(200) NOT NULL DEFAULT '',
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PRIMARY KEY (`id`),
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KEY `owner_title` (`title`)
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) ENGINE=TokuDB AUTO_INCREMENT=575 DEFAULT CHARSET=utf8;
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CREATE TABLE `screenshot` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
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`site` int(11) unsigned NOT NULL,
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`timestamp` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
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PRIMARY KEY (`id`)
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) ENGINE=TokuDB AUTO_INCREMENT=82720 DEFAULT CHARSET=utf8;
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INSERT INTO `site` (`id`, `title`)
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VALUES
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(9, 'Facebook'),
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(6, 'Google');
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INSERT INTO `screenshot` (`id`, `site`, `timestamp`)
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VALUES
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(74675, 6, '2013-04-28 12:37:03'),
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(82712, 6, '2013-04-30 12:47:04'),
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(299, 9, '2012-09-09 13:15:28'),
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(63038, 9, '2013-04-26 12:07:06'),
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(82213, 9, '2013-04-29 20:00:11'),
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(3911, 33, '2012-11-12 00:00:42');
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SELECT *
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FROM site
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LEFT JOIN screenshot
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ON site.id = screenshot.site
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AND timestamp > '2013-04-28 13:30:00'
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WHERE screenshot.id IS NULL;
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id title id site timestamp
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SELECT * FROM site where site.id not in (select screenshot.site from screenshot where timestamp > '2013-04-28 13:30:00');
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id title
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create index `site` on screenshot(`site`);
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SELECT *
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FROM site
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LEFT JOIN screenshot
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ON site.id = screenshot.site
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AND timestamp > '2013-04-28 13:30:00'
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WHERE screenshot.id IS NULL;
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id title id site timestamp
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drop table site;
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drop table screenshot;
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