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