ClickHouse/tests/performance/final_big_column.xml

<test>
    <settings>
        <!-- ingestion is quite time consuming in this test -->
        <max_insert_threads>8</max_insert_threads>
        <max_memory_usage>20G</max_memory_usage>
    </settings>

    <create_query>
        CREATE TABLE optimized_select_final (d Date, key UInt64, value String)
        ENGINE = ReplacingMergeTree()
        PARTITION BY toYYYYMM(d) ORDER BY key
    </create_query>

    <fill_query>INSERT INTO optimized_select_final SELECT toDate('2000-01-01'), 2*number, randomPrintableASCII(1000) FROM numbers_mt(5000000)</fill_query>
    <fill_query>INSERT INTO optimized_select_final SELECT toDate('2020-01-01'), 2*number+1, randomPrintableASCII(1000) FROM numbers_mt(5000000)</fill_query>

    <query>SELECT * FROM optimized_select_final FINAL FORMAT Null SETTINGS max_threads = 8</query>
    <query>SELECT * FROM optimized_select_final FINAL WHERE key % 10 = 0 FORMAT Null</query>

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

</test>