ClickHouse/tests/performance/array_fold.xml

<test>
    <query>SELECT arrayFold((acc, x) -> acc + x, range(number % 100), toUInt64(0)) from numbers(100000) Format Null</query>
    <query>SELECT arrayFold((acc, x) -> acc + 1, range(number % 100), toUInt64(0)) from numbers(100000) Format Null</query>
    <query>SELECT arrayFold((acc, x) -> acc + x, range(number), toUInt64(0)) from numbers(10000) Format Null</query>
</test>