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35 lines
2.4 KiB
XML
35 lines
2.4 KiB
XML
<test>
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<!-- high cardinality -->
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<create_query>CREATE TABLE distinct_cardinality_high (high UInt64, medium UInt64, low UInt64) ENGINE MergeTree() ORDER BY (high, medium)</create_query>
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<fill_query>INSERT INTO distinct_cardinality_high SELECT number % 1e6, number % 1e4, number % 1e2 FROM numbers_mt(1e8)</fill_query>
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<query>SELECT DISTINCT high FROM distinct_cardinality_high FORMAT Null</query>
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<query>SELECT DISTINCT high, low FROM distinct_cardinality_high FORMAT Null</query>
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<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high FORMAT Null</query>
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<query>SELECT DISTINCT high, medium, low FROM distinct_cardinality_high FORMAT Null</query>
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<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high ORDER BY medium FORMAT Null</query>
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<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high ORDER BY high FORMAT Null</query>
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<query>SELECT DISTINCT high, low FROM distinct_cardinality_high ORDER BY low FORMAT Null</query>
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<query>SELECT DISTINCT high, medium, low FROM distinct_cardinality_high ORDER BY low FORMAT Null</query>
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<drop_query>DROP TABLE IF EXISTS distinct_cardinality_high</drop_query>
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<!-- low cardinality -->
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<create_query>CREATE TABLE distinct_cardinality_low (low UInt64, medium UInt64, high UInt64) ENGINE MergeTree() ORDER BY (low, medium)</create_query>
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<fill_query>INSERT INTO distinct_cardinality_low SELECT number % 1e2, number % 1e4, number % 1e6 FROM numbers_mt(1e8)</fill_query>
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<query>SELECT DISTINCT low FROM distinct_cardinality_low FORMAT Null</query>
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<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low FORMAT Null</query>
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<query>SELECT DISTINCT low, high FROM distinct_cardinality_low FORMAT Null</query>
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<query>SELECT DISTINCT low, medium, high FROM distinct_cardinality_low FORMAT Null</query>
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<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low ORDER BY medium FORMAT Null</query>
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<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low ORDER BY low FORMAT Null</query>
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<query>SELECT DISTINCT low, high FROM distinct_cardinality_low ORDER BY high FORMAT Null</query>
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<!-- one of the worst cases for distinct in order (final sorted distinct with high cardinality) -->
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<!-- <query>SELECT DISTINCT low, medium, high FROM distinct_cardinality_low ORDER BY high FORMAT Null</query> -->
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<drop_query>DROP TABLE IF EXISTS distinct_cardinality_low</drop_query>
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</test>
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