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13 lines
983 B
MySQL
13 lines
983 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(80);
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INSERT INTO retention_test SELECT '2018-08-07', number FROM numbers(50);
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INSERT INTO retention_test SELECT '2018-08-08', number FROM numbers(60);
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SELECT sum(r[1]) as r1, sum(r[2]) as r2 FROM (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);
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SELECT sum(r[1]) as r1, sum(r[2]) as r2 FROM (SELECT uid, retention(date = '2018-08-06', date = '2018-08-08') AS r FROM retention_test WHERE date IN ('2018-08-06', '2018-08-08') GROUP BY uid);
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SELECT sum(r[1]) as r1, sum(r[2]) as r2, sum(r[3]) as r3 FROM (SELECT uid, retention(date = '2018-08-06', date = '2018-08-07', date = '2018-08-08') AS r FROM retention_test WHERE date IN ('2018-08-06', '2018-08-07', '2018-08-08') GROUP BY uid);
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DROP TABLE retention_test;
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