mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-11 18:14:03 +00:00
10 lines
426 B
MySQL
10 lines
426 B
MySQL
|
DROP TABLE IF EXISTS test.weird_mmx;
|
||
|
|
|
||
|
|
CREATE TABLE test.weird_mmx (x Array(UInt64)) ENGINE = TinyLog;
|
||
|
|
-- this triggers overlapping matches in LZ4 decompression routine; 915 is the minimum number
|
||
|
|
-- see comment in LZ4_decompression_faster.cpp about usage of MMX registers
|
||
|
|
INSERT INTO test.weird_mmx SELECT range(number % 10) FROM system.numbers LIMIT 915;
|
||
|
|
SELECT sum(length(*)) FROM test.weird_mmx;
|
||
|
|
|
||
|
|
DROP TABLE test.weird_mmx;
|