mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 10:52:30 +00:00
15 lines
578 B
MySQL
15 lines
578 B
MySQL
|
DROP TABLE IF EXISTS test1;
|
||
|
|
DROP TABLE IF EXISTS test2;
|
||
|
|
|
||
|
|
CREATE TABLE test1 (s String) ENGINE = MergeTree ORDER BY s SETTINGS index_granularity = 1;
|
||
|
|
CREATE TABLE test2 (s LowCardinality(String)) ENGINE = MergeTree ORDER BY s SETTINGS index_granularity = 1;
|
||
|
|
|
||
|
|
INSERT INTO test1 SELECT toString(number) FROM numbers(10000);
|
||
|
|
INSERT INTO test2 SELECT toString(number) FROM numbers(10000);
|
||
|
|
|
||
|
|
SELECT s FROM test1 WHERE toString(s) = '1234' SETTINGS max_rows_to_read = 2;
|
||
|
|
SELECT s FROM test2 WHERE toString(s) = '1234' SETTINGS max_rows_to_read = 2;
|
||
|
|
|
||
|
|
DROP TABLE test1;
|
||
|
|
DROP TABLE test2;
|