ClickHouse/tests/performance/flat_dictionary.xml
2021-10-23 15:01:30 +03:00

81 lines
2.3 KiB
XML

<test>
<create_query>
CREATE TABLE simple_key_flat_dictionary_source_table
(
id UInt64,
value_int UInt64,
value_string String,
value_decimal Decimal64(8),
value_string_nullable Nullable(String)
) ENGINE = Memory;
</create_query>
<create_query>
CREATE DICTIONARY simple_key_flat_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_key_flat_dictionary_source_table'))
LAYOUT(FLAT(INITIAL_ARRAY_SIZE 50000 MAX_ARRAY_SIZE 5000000))
LIFETIME(MIN 0 MAX 1000)
</create_query>
<fill_query>
INSERT INTO simple_key_flat_dictionary_source_table
SELECT number, number, toString(number), toDecimal64(number, 8), toString(number)
FROM system.numbers
LIMIT 5000000;
</fill_query>
<substitutions>
<substitution>
<name>column_name</name>
<values>
<value>'value_int'</value>
<value>'value_string'</value>
<value>'value_decimal'</value>
<value>'value_string_nullable'</value>
</values>
</substitution>
<substitution>
<name>elements_count</name>
<values>
<value>5000000</value>
<value>7500000</value>
</values>
</substitution>
</substitutions>
<query>
WITH rand64() % toUInt64({elements_count}) as key
SELECT dictGet('default.simple_key_flat_dictionary', {column_name}, key)
FROM system.numbers
LIMIT {elements_count}
FORMAT Null;
</query>
<query>
WITH rand64() % toUInt64({elements_count}) as key
SELECT dictHas('default.simple_key_flat_dictionary', key)
FROM system.numbers
LIMIT {elements_count}
FORMAT Null;
</query>
<query>
SELECT * FROM simple_key_flat_dictionary
FORMAT Null;
</query>
<drop_query>DROP TABLE IF EXISTS simple_key_flat_dictionary_source_table</drop_query>
<drop_query>DROP DICTIONARY IF EXISTS simple_key_flat_dictionary</drop_query>
</test>