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Added a test #4004

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Alexey Milovidov 2019-01-16 22:24:21 +03:00
parent 6433d5efa7
commit fc2a0cdfb1
2 changed files with 26 additions and 0 deletions
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dbms/tests/queries/0_stateless/00823_sequence_match_dfa.reference Normal file
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dbms/tests/queries/0_stateless/00823_sequence_match_dfa.sql Normal file
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-- this test cannot pass without the new DFA matching algorithm of sequenceMatch
DROP TABLE IF EXISTS test.sequence;
CREATE TABLE test.sequence
(
userID UInt64,
eventType Enum8('A' = 1, 'B' = 2, 'C' = 3),
EventTime UInt64
)
ENGINE = Memory;
INSERT INTO test.sequence SELECT 1, number = 0 ? 'A' : (number < 1000000 ? 'B' : 'C'), number FROM numbers(1000001);
SELECT userID
FROM test.sequence
GROUP BY userID
HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'C');
SELECT userID
FROM test.sequence
GROUP BY userID
HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'A');
DROP TABLE test.sequence;