ClickHouse/tests/performance/array_index_low_cardinality_numbers.xml

<test>
    <create_query>DROP TABLE IF EXISTS perf_lc_num</create_query>
    <create_query>CREATE TABLE perf_lc_num(
        num UInt8,
        arr Array(LowCardinality(Int64)) default [num]
        ) ENGINE = MergeTree() ORDER BY tuple()
    </create_query>

    <fill_query>
        INSERT INTO perf_lc_num (num)
        SELECT toUInt8(number)
        FROM numbers(1500000000)
    </fill_query>

    <query>SELECT count() FROM perf_lc_num WHERE num = 42</query>
    <query>SELECT count() FROM perf_lc_num WHERE arr[1] = 42</query>
    <query>SELECT count() FROM perf_lc_num WHERE has(arr, 42)</query>
    <query>SELECT count() FROM perf_lc_num WHERE indexOf(arr, 42) > 0</query>

    <query>SELECT count() FROM perf_lc_num WHERE arr[1] = num</query>
    <query>SELECT count() FROM perf_lc_num WHERE has(arr, num)</query>
    <query>SELECT count() FROM perf_lc_num WHERE indexOf(arr, num) > 0</query>

    <query>SELECT count() FROM perf_lc_num WHERE has(arr, num * 10)</query>
    <query>SELECT count() FROM perf_lc_num WHERE has(arr, (num * 1000 + 20) % 137)</query>

    <drop_query>DROP TABLE IF EXISTS perf_lc_num</drop_query>
</test>