ClickHouse/tests/performance/array_index_low_cardinality_strings.xml

<test>
    <create_query>DROP TABLE IF EXISTS perf_lc_str</create_query>
    <create_query>CREATE TABLE perf_lc_str(
        str LowCardinality(String),
        arr Array(LowCardinality(String)) default [str]
        ) ENGINE = MergeTree() ORDER BY tuple()
    </create_query>

    <fill_query>
        INSERT INTO perf_lc_str (str)
        SELECT concat('asdf', toString(number % 10000))
        FROM numbers(100000000)
    </fill_query>

    <query>SELECT count() FROM perf_lc_str WHERE str = 'asdf337'</query>
    <query>SELECT count() FROM perf_lc_str WHERE arr[1] = 'asdf337'</query>
    <query>SELECT count() FROM perf_lc_str WHERE has(arr, 'asdf337')</query>
    <query>SELECT count() FROM perf_lc_str WHERE indexOf(arr, 'asdf337') > 0</query>

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

    <query>SELECT count() FROM perf_lc_str WHERE has(arr, concat('0', str))</query>
    <query>SELECT count() FROM perf_lc_str WHERE has(arr, concat(str, 'str'))</query>
    <query>SELECT count() FROM perf_lc_str WHERE has(arr, concat(str, '0'))</query>

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