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datastore/tests/performance/join_squashing_blocks.xml
2025-06-15 22:15:17 +02:00

15 lines
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<test>
<settings>
<max_threads>8</max_threads>
</settings>
<create_query>create table ttt (x UInt64) engine = MergeTree order by tuple();</create_query>
<fill_query>insert into ttt select zero from zeros(300000000);</fill_query>
<query>select count() from ttt left join (select number from numbers(10)) r on x = number;</query>
<query>select count() from ttt left join (select number from numbers(10)) r on x = number settings min_joined_block_size_bytes=0;</query>
<drop_query>drop table ttt;</drop_query>
</test>