ClickHouse/tests/performance/optimized_select_final.xml

<test>
    <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>

    <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>

    <fill_query>OPTIMIZE TABLE optimized_select_final</fill_query>

    <query>SELECT * FROM optimized_select_final FINAL FORMAT Null</query>

    <drop_query>DROP TABLE IF EXISTS  optimized_select_final</drop_query>

</test>