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15 lines
918 B
MySQL
15 lines
918 B
MySQL
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DROP TABLE IF EXISTS retention_test;
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CREATE TABLE retention_test(date Date, uid Int32)ENGINE = Memory;
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INSERT INTO retention_test SELECT '2018-08-06', number FROM numbers(8);
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INSERT INTO retention_test SELECT '2018-08-07', number FROM numbers(6);
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INSERT INTO retention_test SELECT '2018-08-08', number FROM numbers(7);
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SELECT uid, retention(date = '2018-08-06', date = '2018-08-07') AS r FROM retention_test WHERE date IN ('2018-08-06', '2018-08-07') GROUP BY uid ORDER BY uid LIMIT 5;
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SELECT '----------';
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SELECT uid, retention(1, date = '2018-08-06', date = '2018-08-07') AS r FROM retention_test WHERE date IN ('2018-08-06', '2018-08-07') GROUP BY uid ORDER BY uid LIMIT 5;
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SELECT '----------';
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SELECT uid, retention(uid % 2 = 0, date = '2018-08-06', date = '2018-08-07') AS r FROM retention_test WHERE date IN ('2018-08-06', '2018-08-07') GROUP BY uid ORDER BY uid LIMIT 5;
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DROP TABLE IF EXISTS retention_test;
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