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13 lines
357 B
SQL
13 lines
357 B
SQL
drop table if exists t_00712_1;
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create table t_00712_1 (a Int32, b Int32) engine = MergeTree partition by (a,b) order by (a);
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insert into t_00712_1 values (1, 1);
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alter table t_00712_1 add column c Int32;
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select b from t_00712_1 prewhere a < 1000;
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select c from t_00712_1 where a < 1000;
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select c from t_00712_1 prewhere a < 1000;
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drop table t_00712_1;
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