ClickHouse/tests/performance/direct_dictionary.xml

<test>
    <create_query>
        CREATE TABLE simple_direct_dictionary_test_table
        (
            id UInt64,
            value_int UInt64,
            value_string String,
            value_decimal Decimal64(8),
            value_string_nullable Nullable(String)
        ) ENGINE = TinyLog;
    </create_query>

    <create_query>
        INSERT INTO simple_direct_dictionary_test_table
        SELECT number, number, toString(number), toDecimal64(number, 8), toString(number)
        FROM system.numbers
        LIMIT 100000;
    </create_query>

    <create_query>
        CREATE DICTIONARY simple_direct_dictionary
        (
            id UInt64,
            value_int UInt64,
            value_string String,
            value_decimal Decimal64(8),
            value_string_nullable Nullable(String)
        )
        PRIMARY KEY id
        SOURCE(CLICKHOUSE(DB 'default' TABLE 'simple_direct_dictionary_test_table'))
        LAYOUT(DIRECT())
    </create_query>

    <create_query>
        CREATE TABLE complex_direct_dictionary_test_table
        (
            id UInt64,
            id_key String,
            value_int UInt64,
            value_string String,
            value_decimal Decimal64(8),
            value_string_nullable Nullable(String)
        ) ENGINE = TinyLog;
    </create_query>

    <create_query>
        INSERT INTO complex_direct_dictionary_test_table
        SELECT number, toString(number), number, toString(number), toDecimal64(number, 8), toString(number)
        FROM system.numbers
        LIMIT 100000;
    </create_query>

    <create_query>
        CREATE DICTIONARY complex_direct_dictionary
        (
            id UInt64,
            id_key String,
            value_int UInt64,
            value_string String,
            value_decimal Decimal64(8),
            value_string_nullable Nullable(String)
        )
        PRIMARY KEY id, id_key
        SOURCE(CLICKHOUSE(DB 'default' TABLE 'complex_direct_dictionary_test_table'))
        LAYOUT(COMPLEX_KEY_DIRECT())
    </create_query>

    <query>SELECT dictGet('default.simple_direct_dictionary', 'value_int', number) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.simple_direct_dictionary', 'value_string', number) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.simple_direct_dictionary', 'value_decimal', number) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.simple_direct_dictionary', 'value_string_nullable', number) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictHas('default.simple_direct_dictionary', number) FROM system.numbers LIMIT 150000;</query>

    <query>SELECT dictGet('default.complex_direct_dictionary', 'value_int', (number, toString(number))) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.complex_direct_dictionary', 'value_string', (number, toString(number))) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.complex_direct_dictionary', 'value_decimal', (number, toString(number))) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictGet('default.complex_direct_dictionary', 'value_string_nullable', (number, toString(number))) FROM system.numbers LIMIT 150000;</query>
    <query>SELECT dictHas('default.complex_direct_dictionary', (number, toString(number))) FROM system.numbers LIMIT 150000;</query>

</test>