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Merge pull request #3370 from 4ertus2/bugs

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test for OR optimisation [issue-3339]
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alexey-milovidov 2018-10-12 22:07:06 +03:00 committed by GitHub
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dbms/tests/queries/0_stateless/00736_disjunction_optimisation.reference Normal file
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dbms/tests/queries/0_stateless/00736_disjunction_optimisation.sql Normal file
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DROP TABLE IF EXISTS test.bug;
CREATE TABLE IF NOT EXISTS test.bug(k UInt64, s UInt64) ENGINE = Memory;
insert into test.bug values(1,21),(1,22),(1,23),(2,21),(2,22),(2,23),(3,21),(3,22),(3,23);
set optimize_min_equality_disjunction_chain_length = 2;
select * from test.bug;
select * from test.bug where (k =1 or k=2 or k =3) and (s=21 or s=22 or s=23);
select * from (select * from test.bug where k=1 or k=2 or k=3) where (s=21 or s=22 or s=23);
select k, (k=1 or k=2 or k=3), s, (s=21), (s=21 or s=22), (s=21 or s=22 or s=23) from test.bug;
select s, (s=21 or s=22 or s=23) from test.bug;
set optimize_min_equality_disjunction_chain_length = 3;
select * from test.bug;
select * from test.bug where (k =1 or k=2 or k =3) and (s=21 or s=22 or s=23);
select * from (select * from test.bug where k=1 or k=2 or k=3) where (s=21 or s=22 or s=23);
select k, (k=1 or k=2 or k=3), s, (s=21), (s=21 or s=22), (s=21 or s=22 or s=23) from test.bug;
select s, (s=21 or s=22 or s=23) from test.bug;
DROP TABLE test.bug;