mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 17:12:03 +00:00
37 lines
1.0 KiB
SQL
37 lines
1.0 KiB
SQL
-- this test cannot pass without the new DFA matching algorithm of sequenceMatch
|
|
|
|
DROP TABLE IF EXISTS sequence;
|
|
|
|
CREATE TABLE sequence
|
|
(
|
|
userID UInt64,
|
|
eventType Enum8('A' = 1, 'B' = 2, 'C' = 3, 'D' = 4),
|
|
EventTime UInt64
|
|
)
|
|
ENGINE = Memory;
|
|
|
|
INSERT INTO sequence SELECT 1, number = 0 ? 'A' : (number < 1000000 ? 'B' : 'C'), number FROM numbers(1000001);
|
|
INSERT INTO sequence SELECT 1, 'D', 1e14;
|
|
|
|
SELECT 'ABC'
|
|
FROM sequence
|
|
GROUP BY userID
|
|
HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'C');
|
|
|
|
SELECT 'ABA'
|
|
FROM sequence
|
|
GROUP BY userID
|
|
HAVING sequenceMatch('(?1).*(?2).*(?3)')(toDateTime(EventTime), eventType = 'A', eventType = 'B', eventType = 'A');
|
|
|
|
SELECT 'ABBC'
|
|
FROM sequence
|
|
GROUP BY userID
|
|
HAVING sequenceMatch('(?1).*(?2).*(?3).*(?4)')(EventTime, eventType = 'A', eventType = 'B', eventType = 'B',eventType = 'C');
|
|
|
|
SELECT 'CD'
|
|
FROM sequence
|
|
GROUP BY userID
|
|
HAVING sequenceMatch('(?1)(?t>=10000000000000)(?2)')(EventTime, eventType = 'C', eventType = 'D');
|
|
|
|
DROP TABLE sequence;
|