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27 lines
1.6 KiB
XML
27 lines
1.6 KiB
XML
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<test>
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<!--
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This test is intended to check the performance of merge.
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Since it's hard to measure it let's run a query with FINAL and disabled optimizations of query plan.
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-->
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<settings>
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<split_parts_ranges_into_intersecting_and_non_intersecting_final>0</split_parts_ranges_into_intersecting_and_non_intersecting_final>
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<split_intersecting_parts_ranges_into_layers_final>0</split_intersecting_parts_ranges_into_layers_final>
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</settings>
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<create_query>
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CREATE TABLE replacing_final_non_intersecting (d DateTime, c1 UInt64, c2 String, c3 LowCardinality(String))
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ENGINE = ReplacingMergeTree()
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ORDER BY d
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</create_query>
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<fill_query>INSERT INTO replacing_final_non_intersecting SELECT toDateTime('2020-10-10 00:00:00') - number, number, toString(number), toString(number % 1000) FROM numbers(0, 5000000)</fill_query>
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<fill_query>OPTIMIZE TABLE replacing_final_non_intersecting FINAL</fill_query>
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<fill_query>SYSTEM STOP MERGES replacing_final_non_intersecting</fill_query>
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<fill_query>INSERT INTO replacing_final_non_intersecting SELECT toDateTime('2020-10-10 00:00:00') - number, number, toString(number), toString(number % 1000) FROM numbers(5000000, 500000)</fill_query>
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<query>SELECT * FROM replacing_final_non_intersecting FINAL FORMAT Null SETTINGS enable_vertical_final = 0</query>
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<query>SELECT * FROM replacing_final_non_intersecting FINAL FORMAT Null SETTINGS enable_vertical_final = 1</query>
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<drop_query>DROP TABLE IF EXISTS replacing_final_non_intersecting</drop_query>
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</test>
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