datastore/tests/performance/insert_statistics.xml

<test>
    <create_query>
        CREATE TABLE t_basic_stats_src(c1 UInt64, c2 UInt64, c3 UInt64, c4 UInt64, c5 UInt64, c6 UInt64, c7 UInt64, c8 UInt64, c9 UInt64, c10 UInt64)
        ENGINE = Memory;
    </create_query>

    <create_query>
        CREATE TABLE t_basic_stats(c1 UInt64 STATISTICS(basic), c2 UInt64 STATISTICS(basic), c3 UInt64 STATISTICS(basic), c4 UInt64 STATISTICS(basic), c5 UInt64 STATISTICS(basic), c6 UInt64 STATISTICS(basic), c7 UInt64 STATISTICS(basic), c8 UInt64 STATISTICS(basic), c9 UInt64 STATISTICS(basic), c10 UInt64 STATISTICS(basic))
        ENGINE = MergeTree ORDER BY c1;
    </create_query>

    <create_query>
        CREATE TABLE t_uniq_stats_src(c1 UInt64, c2 LowCardinality(String), c3 LowCardinality(String), c4 LowCardinality(String), c5 LowCardinality(String))
        ENGINE = Memory;
    </create_query>

    <create_query>
        CREATE TABLE t_uniq_stats(c1 UInt64 STATISTICS(uniq), c2 LowCardinality(String) STATISTICS(uniq), c3 LowCardinality(String) STATISTICS(uniq), c4 LowCardinality(String) STATISTICS(uniq), c5 LowCardinality(String) STATISTICS(uniq))
        ENGINE = MergeTree ORDER BY c1;
    </create_query>

    <fill_query>INSERT INTO t_basic_stats_src SELECT rand(), rand(), rand(), rand(), rand(), rand(), rand(), rand(), rand(), rand() FROM numbers(1000000)</fill_query>
    <fill_query>SYSTEM STOP MERGES t_basic_stats</fill_query>

    <fill_query>INSERT INTO t_uniq_stats_src SELECT rand(), rand() % 10, rand() % 100, rand() % 1000, rand() % 100000 FROM numbers(1000000)</fill_query>
    <fill_query>SYSTEM STOP MERGES t_uniq_stats</fill_query>

    <query>INSERT INTO t_basic_stats SELECT * FROM t_basic_stats_src</query>
    <query>INSERT INTO t_uniq_stats SELECT * FROM t_uniq_stats_src</query>

    <drop_query>DROP TABLE IF EXISTS t_basic_stats</drop_query>
    <drop_query>DROP TABLE IF EXISTS t_basic_stats_src</drop_query>

    <drop_query>DROP TABLE IF EXISTS t_uniq_stats</drop_query>
    <drop_query>DROP TABLE IF EXISTS t_uniq_stats_src</drop_query>
</test>