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22 lines
745 B
SQL
22 lines
745 B
SQL
drop table if exists t;
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create table t (x UInt8, id UInt8) ENGINE = MergeTree() order by (id);
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insert into t values (1, 1);
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set enable_optimize_predicate_expression = 0;
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select 1 from t as l join t as r on l.id = r.id prewhere l.x;
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select 2 from t as l join t as r on l.id = r.id where r.x;
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select 3 from t as l join t as r on l.id = r.id prewhere l.x where r.x;
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select 4 from t as l join t as r using id prewhere l.x where r.x;
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select 5 from t as l join t as r on l.id = r.id where l.x and r.x;
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select 6 from t as l join t as r using id where l.x and r.x;
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set optimize_move_to_prewhere = 0;
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select 7 from t as l join t as r on l.id = r.id where l.x and r.x;
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select 8 from t as l join t as r using id where l.x and r.x;
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drop table t;
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