ClickHouse/tests/queries/0_stateless/02713_sequence_match_serialization_fix.sql
2023-04-10 17:27:17 +02:00

37 lines
916 B
SQL

DROP TABLE IF EXISTS 02713_seqt;
DROP TABLE IF EXISTS 02713_seqt_distr;
SELECT
'serialized state is not used', sequenceMatch('(?1)(?2)')(time, number_ = 1, number_ = 0) AS seq
FROM
(
SELECT
number AS time,
number % 2 AS number_
FROM numbers_mt(100)
);
CREATE TABLE 02713_seqt
ENGINE = MergeTree
ORDER BY n AS
SELECT
sequenceMatchState('(?1)(?2)')(time, number_ = 1, number_ = 0) AS seq,
1 AS n
FROM
(
SELECT
number AS time,
number % 2 AS number_
FROM numbers_mt(100)
);
SELECT 'serialized state is used', sequenceMatchMerge('(?1)(?2)')(seq) AS seq
FROM 02713_seqt;
CREATE TABLE 02713_seqt_distr ( seq AggregateFunction(sequenceMatch('(?1)(?2)'), UInt64, UInt8, UInt8) , n UInt8) ENGINE = Distributed(test_shard_localhost, currentDatabase(), '02713_seqt');
SELECT 'via Distributed', sequenceMatchMerge('(?1)(?2)')(seq) AS seq FROM 02713_seqt_distr;