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Merge pull request #3273 from vavrusa/master

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PushingToViewsBlockOutputStream: add tests for parallel processing
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alexey-milovidov 2018-10-10 02:16:59 +03:00 committed by GitHub
commit e91f8f0dd9
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2 changed files with 26 additions and 0 deletions
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dbms/tests/queries/0_stateless/00726_materialized_view_concurrent.reference Normal file
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dbms/tests/queries/0_stateless/00726_materialized_view_concurrent.sql Normal file
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DROP TABLE IF EXISTS test.src;
DROP TABLE IF EXISTS test.mv1;
DROP TABLE IF EXISTS test.mv2;
USE test;
CREATE TABLE src (x UInt8) ENGINE = Null;
CREATE MATERIALIZED VIEW mv1 ENGINE = Memory AS SELECT x FROM src WHERE x % 2 = 0;
CREATE MATERIALIZED VIEW mv2 ENGINE = Memory AS SELECT x FROM src WHERE x % 2 = 1;
SET parallel_view_processing = 1;
INSERT INTO src VALUES (1), (2);
SET parallel_view_processing = 0;
INSERT INTO src VALUES (3), (4);
SELECT * FROM mv1 ORDER BY x;
SELECT * FROM mv2 ORDER BY x;
DROP TABLE test.mv1;
DROP TABLE test.mv2;
DROP TABLE test.src;