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19 lines
546 B
SQL
19 lines
546 B
SQL
drop table if exists t;
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create table t (a Int, b Int) engine = MergeTree order by (a, b) settings index_granularity = 400;
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insert into t select 0, 0 from numbers(50);
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insert into t select 0, 1 from numbers(350);
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insert into t select 1, 2 from numbers(400);
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insert into t select 2, 2 from numbers(400);
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insert into t select 3, 0 from numbers(100);
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select sleep(1) format Null; -- sleep a bit to wait possible merges after insert
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set max_threads = 1;
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optimize table t final;
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select sum(a) from t where a in (0, 3) and b = 0;
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drop table t;
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