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16 lines
666 B
MySQL
16 lines
666 B
MySQL
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DROP TABLE IF EXISTS t_02147;
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DROP TABLE IF EXISTS t_02147_dist;
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DROP TABLE IF EXISTS t_02147_merge;
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CREATE TABLE t_02147 (date DateTime, v UInt32)
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ENGINE = MergeTree ORDER BY toStartOfHour(date);
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CREATE TABLE t_02147_dist AS t_02147 ENGINE = Distributed(test_shard_localhost, currentDatabase(), t_02147);
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CREATE TABLE t_02147_merge AS t_02147 ENGINE = Merge(currentDatabase(), 't_02147');
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SET optimize_monotonous_functions_in_order_by = 1;
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EXPLAIN SYNTAX SELECT * FROM t_02147 ORDER BY toStartOfHour(date), v;
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EXPLAIN SYNTAX SELECT * FROM t_02147_dist ORDER BY toStartOfHour(date), v;
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EXPLAIN SYNTAX SELECT * FROM t_02147_merge ORDER BY toStartOfHour(date), v;
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