ClickHouse/tests/performance/optimized_select_final.xml

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<test max_ignored_relative_change="0.2">
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<settings>
<do_not_merge_across_partitions_select_final>1</do_not_merge_across_partitions_select_final>
</settings>
<create_query>
CREATE TABLE optimized_select_final (t DateTime, x Int32)
ENGINE = ReplacingMergeTree()
PARTITION BY toYYYYMM(t) ORDER BY x
</create_query>
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<fill_query>INSERT INTO optimized_select_final SELECT toDate('2000-01-01'), number FROM numbers(5000000)</fill_query>
<fill_query>INSERT INTO optimized_select_final SELECT toDate('2020-01-01'), number FROM numbers(5000000)</fill_query>
<fill_query>INSERT INTO optimized_select_final SELECT toDate('2021-01-01'), number FROM numbers(5000000)</fill_query>
<fill_query>INSERT INTO optimized_select_final SELECT toDate('2022-01-01'), number FROM numbers(5000000)</fill_query>
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<fill_query>OPTIMIZE TABLE optimized_select_final</fill_query>
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<query>SELECT * FROM optimized_select_final FINAL FORMAT Null</query>
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<drop_query>DROP TABLE IF EXISTS optimized_select_final</drop_query>
</test>