ClickHouse/tests/performance/countMatches.xml

<test>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, 'yandex'))</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, 'yandex|google'))</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, '(\\w+=\\w+)'))</query>

    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, 'yandex')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, 'yandex|google')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, '(\\w+=\\w+)')) SETTINGS max_threads=4</query>

    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatchesCaseInsensitive(URL, 'yandex')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatchesCaseInsensitive(URL, 'yandex|google')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatchesCaseInsensitive(URL, '(\\w+=\\w+)')) SETTINGS max_threads=4</query>

    <!-- Another variant of case-insensitivity -->
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, '(?i)yandex')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, '(?i)yandex|google')) SETTINGS max_threads=2</query>
    <query>SELECT count() FROM test.hits WHERE NOT ignore(countMatches(URL, '(?i)(\\w+=\\w+)')) SETTINGS max_threads=4</query>
</test>