ClickHouse/dbms/tests/performance/merge_tree_simple_select.xml

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<test>
<name>merge_tree_simple_select</name>
<type>loop</type>
<stop_conditions>
<all_of>
<iterations>10</iterations>
</all_of>
</stop_conditions>
<create_query>CREATE TABLE simple_mergetree (EventDate Date, x UInt64) ENGINE = MergeTree ORDER BY x</create_query>
<fill_query>INSERT INTO simple_mergetree SELECT number, today() + intDiv(number, 10000000) FROM numbers(1000000000)</fill_query>
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<fill_query>OPTIMIZE TABLE simple_mergetree FINAL</fill_query>
<query>SELECT count() FROM simple_mergetree</query>
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<drop_query>DROP TABLE IF EXISTS simple_mergetree</drop_query>
</test>