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14 lines
629 B
SQL
14 lines
629 B
SQL
drop table if exists trepl;
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set allow_deprecated_syntax_for_merge_tree=1;
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create table trepl(d Date,a Int32, b Int32) engine = ReplacingMergeTree(d, (a,b), 8192);
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insert into trepl values ('2018-09-19', 1, 1);
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select b from trepl FINAL prewhere a < 1000;
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drop table trepl;
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drop table if exists versioned_collapsing;
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create table versioned_collapsing(d Date, x UInt32, sign Int8, version UInt32) engine = VersionedCollapsingMergeTree(d, x, 8192, sign, version);
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insert into versioned_collapsing values ('2018-09-19', 123, 1, 0);
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select x from versioned_collapsing FINAL prewhere version < 1000;
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drop table versioned_collapsing;
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