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19 lines
756 B
SQL
19 lines
756 B
SQL
drop table if exists data_mt;
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drop table if exists view_mt;
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drop table if exists data_mem;
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drop table if exists view_mem;
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create table data_mt (key Int) engine=MergeTree() order by (key, sipHash64(key)) sample by sipHash64(key);
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insert into data_mt select * from numbers(10);
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create view view_mt as select * from data_mt;
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create table data_mem (key Int) engine=Memory();
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insert into data_mem select * from numbers(10);
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create view view_mem as select * from data_mem;
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-- { echo }
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select * from data_mt sample 0.1 order by key;
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select * from view_mt sample 0.1 order by key;
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select * from data_mem sample 0.1 order by key; -- { serverError SAMPLING_NOT_SUPPORTED }
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select * from view_mem sample 0.1 order by key; -- { serverError SAMPLING_NOT_SUPPORTED }
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