ClickHouse/tests/performance/ColumnMap.xml

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<test>
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<settings>
<allow_experimental_map_type>1</allow_experimental_map_type>
</settings>
<substitutions>
<substitution>
<name>key_suffix</name>
<values>
<value>''</value>
<value>'-miss'</value>
</values>
</substitution>
</substitutions>
<create_query>
CREATE TABLE column_map_test
ENGINE = MergeTree ORDER BY number
AS
SELECT number, map
FROM
(
SELECT
number,
arrayMap(x -> toString(x), range(100)) AS keys,
arrayMap(x -> toString(x * x), range(100)) AS values,
cast((keys, values), 'Map(String, String)') AS map
FROM numbers_mt(10000)
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)
SETTINGS max_insert_threads = 8
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</create_query>
<fill_query>optimize table column_map_test final</fill_query>
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<query>SELECT count() FROM column_map_test WHERE NOT ignore(arrayMap(x -> map[CONCAT(toString(x), {key_suffix})], range(0, 100, 10)))</query>
<drop_query>DROP TABLE IF EXISTS column_map_test</drop_query>
</test>