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14 lines
688 B
SQL
14 lines
688 B
SQL
drop table if exists `table`;
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create table `table` (key UInt64, val UInt64) engine = MergeTree order by key settings index_granularity=8192;
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insert into `table` select number, number / 8192 from system.numbers limit 100000;
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alter table `table` add column def UInt64 default val + 1;
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select * from `table` prewhere val > 2 format Null;
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drop table if exists `table`;
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create table `table` (key UInt64, val UInt64) engine = MergeTree order by key settings index_granularity=8192;
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insert into `table` select number, number / 8192 from system.numbers limit 100000;
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alter table `table` add column def UInt64;
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select * from `table` prewhere val > 2 format Null;
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drop table if exists `table`;
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