ClickHouse/tests/performance/questdb_sum_float64.xml

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<test>
<settings>
<max_threads>4</max_threads>
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<max_memory_usage>20G</max_memory_usage>
<use_uncompressed_cache>1</use_uncompressed_cache>
<merge_tree_max_rows_to_use_cache>2000000000</merge_tree_max_rows_to_use_cache>
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<merge_tree_max_bytes_to_use_cache>10G</merge_tree_max_bytes_to_use_cache>
</settings>
<substitutions>
<substitution>
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<name>engine</name>
<values>
<value>Memory</value>
<value>MergeTree ORDER BY tuple()</value>
</values>
</substitution>
<substitution>
<name>type</name>
<values>
<value>Float64</value>
<value>Float64 NULL</value>
</values>
</substitution>
</substitutions>
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<create_query>CREATE TABLE `zz_{type}_{engine}` (x {type}) ENGINE {engine}</create_query>
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<fill_query>INSERT INTO `zz_{type}_{engine}` SELECT rand() FROM numbers(500000000)</fill_query>
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<query>SELECT sum(x) FROM `zz_{type}_{engine}`</query>
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<drop_query>DROP TABLE IF EXISTS `zz_{type}_{engine}`</drop_query>
</test>