mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-19 14:11:58 +00:00
19 lines
752 B
MySQL
19 lines
752 B
MySQL
|
DROP TABLE IF EXISTS test.numbers1;
|
||
|
|
DROP TABLE IF EXISTS test.numbers2;
|
||
|
|
|
||
|
|
CREATE TABLE test.numbers1 ENGINE = Memory AS SELECT number FROM numbers(1000);
|
||
|
|
CREATE TABLE test.numbers2 ENGINE = Memory AS SELECT number FROM numbers(1000);
|
||
|
|
|
||
|
|
SELECT * FROM merge(test, '^numbers\\d+$') SAMPLE 0.1; -- { serverError 141 }
|
||
|
|
|
||
|
|
DROP TABLE test.numbers1;
|
||
|
|
DROP TABLE test.numbers2;
|
||
|
|
|
||
|
|
CREATE TABLE test.numbers1 ENGINE = MergeTree ORDER BY intHash32(number) SAMPLE BY intHash32(number) AS SELECT number FROM numbers(1000);
|
||
|
|
CREATE TABLE test.numbers2 ENGINE = MergeTree ORDER BY intHash32(number) SAMPLE BY intHash32(number) AS SELECT number FROM numbers(1000);
|
||
|
|
|
||
|
|
SELECT * FROM merge(test, '^numbers\\d+$') SAMPLE 0.01;
|
||
|
|
|
||
|
|
DROP TABLE test.numbers1;
|
||
|
|
DROP TABLE test.numbers2;
|