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21 lines
474 B
MySQL
21 lines
474 B
MySQL
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SET allow_suspicious_low_cardinality_types = 1;
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DROP TABLE IF EXISTS t_summing_lc;
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CREATE TABLE t_summing_lc
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(
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`key` UInt32,
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`val` LowCardinality(UInt32),
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`date` DateTime
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)
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ENGINE = SummingMergeTree(val)
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PARTITION BY date
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ORDER BY key;
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INSERT INTO t_summing_lc VALUES (1, 1, '2020-01-01'), (2, 1, '2020-01-02'), (1, 5, '2020-01-01'), (2, 5, '2020-01-02');
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OPTIMIZE TABLE t_summing_lc FINAL;
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SELECT * FROM t_summing_lc ORDER BY key;
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DROP TABLE t_summing_lc;
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