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37 lines
1.0 KiB
SQL
37 lines
1.0 KiB
SQL
-- this test cannot pass without the new DFA matching algorithm of sequenceMatch
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DROP TABLE IF EXISTS sequence;
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CREATE TABLE sequence
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(
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userID UInt64,
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eventType Enum8('A' = 1, 'B' = 2, 'C' = 3, 'D' = 4),
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EventTime UInt64
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)
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ENGINE = Memory;
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INSERT INTO sequence SELECT 1, number = 0 ? 'A' : (number < 1000000 ? 'B' : 'C'), number FROM numbers(1000001);
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INSERT INTO sequence SELECT 1, 'D', 1e14;
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SELECT 'ABC'
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FROM sequence
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GROUP BY userID
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HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'C');
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SELECT 'ABA'
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FROM sequence
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GROUP BY userID
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HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'A');
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SELECT 'ABBC'
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FROM sequence
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GROUP BY userID
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HAVING sequenceMatch('(?1).*(?2).*(?3).*(?4)')(EventTime, eventType = 'A', eventType = 'B', eventType = 'B',eventType = 'C');
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SELECT 'CD'
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FROM sequence
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GROUP BY userID
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HAVING sequenceMatch('(?1)(?t>=10000000000000)(?2)')(EventTime, eventType = 'C', eventType = 'D');
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DROP TABLE sequence;
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