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Add a test for mmap IO

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This commit is contained in:
Alexey Milovidov 2021-03-26 22:08:53 +03:00
parent e55f7e6333
commit e32beab913
2 changed files with 9 additions and 0 deletions
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tests/queries/1_stateful/00162_mmap_compression_none.reference Normal file
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tests/queries/1_stateful/00162_mmap_compression_none.sql Normal file
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DROP TABLE IF EXISTS hits_none;
CREATE TABLE hits_none (Title String CODEC(NONE)) ENGINE = MergeTree ORDER BY tuple();
INSERT INTO hits_none SELECT Title FROM test.hits;
SET min_bytes_to_use_mmap_io = 1;
SELECT sum(length(Title)) FROM hits_none;
DROP TABLE hits_none;