ClickHouse/tests/performance/aggregate_functions_deserialization.xml

<test>
    <create_query>
        CREATE TABLE agg_deserialize
        (
            t DateTime,
            v1 AggregateFunction(avgState, UInt64),
            v2 AggregateFunction(argMax, UInt64, DateTime)
        )
        ENGINE = MergeTree() ORDER BY t
    </create_query>

    <fill_query>
        INSERT INTO agg_deserialize SELECT
            now() + number AS t,
            initializeAggregation('avgState', number),
            initializeAggregation('argMaxState', number, t)
        FROM numbers(50000000)
    </fill_query>

    <query>SELECT v1 FROM agg_deserialize FORMAT Null</query>
    <query>SELECT toStartOfHour(t) AS h, avgMerge(v1) FROM agg_deserialize GROUP BY h FORMAT Null</query>

    <query>SELECT v2 FROM agg_deserialize FORMAT Null</query>
    <query>SELECT toStartOfHour(t) AS h, argMaxMerge(v2) FROM agg_deserialize GROUP BY h FORMAT Null</query>

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