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Merge pull request #9038 from CurtizJ/fix-range-reader

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Add test for #8914
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Anton Popov 2020-02-07 03:47:51 +03:00 committed by GitHub
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dbms/tests/queries/0_stateless/01077_yet_another_prewhere_test.reference Normal file
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dbms/tests/queries/0_stateless/01077_yet_another_prewhere_test.sql Normal file
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drop table if exists t50;
create table t50 (a Int, b Int, s String) engine = MergeTree order by a settings index_granularity = 50, index_granularity_bytes=1000;
-- some magic to satisfy conditions to run optimizations in MergeTreeRangeReader
insert into t50 select 0, 1, repeat('a', 10000);
insert into t50 select number, multiIf(number < 5, 1, number < 50, 0, number < 55, 1, number < 100, 0, number < 105, 1, 0), '' from numbers(150);
optimize table t50 final;
select a, b from t50 prewhere b = 1 order by a;