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19 lines
644 B
SQL
19 lines
644 B
SQL
drop table if exists ttl;
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create table ttl (d Date, a Int) engine = MergeTree order by a partition by toDayOfMonth(d) ttl d + interval 1 day;
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system stop ttl merges ttl;
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insert into ttl values (toDateTime('2000-10-10 00:00:00'), 1), (toDateTime('2000-10-10 00:00:00'), 2);
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insert into ttl values (toDateTime('2100-10-10 00:00:00'), 3), (toDateTime('2100-10-10 00:00:00'), 4);
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select sleep(1) format Null; -- wait if very fast merge happen
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optimize table ttl partition 10 final;
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select * from ttl order by d, a;
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system start ttl merges ttl;
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optimize table ttl partition 10 final;
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select * from ttl order by d, a;
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drop table if exists ttl;
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