mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 00:42:29 +00:00
23 lines
654 B
MySQL
23 lines
654 B
MySQL
|
DROP TABLE IF EXISTS table_with_pk_clear;
|
||
|
|
||
|
CREATE TABLE table_with_pk_clear(
|
||
|
key1 UInt64,
|
||
|
key2 String,
|
||
|
value1 String,
|
||
|
value2 String
|
||
|
)
|
||
|
ENGINE = MergeTree()
|
||
|
ORDER by (key1, key2);
|
||
|
|
||
|
INSERT INTO table_with_pk_clear SELECT number, number * number, toString(number), toString(number * number) FROM numbers(1000);
|
||
|
|
||
|
ALTER TABLE table_with_pk_clear CLEAR COLUMN key1 IN PARTITION tuple(); --{serverError 524}
|
||
|
|
||
|
SELECT count(distinct key1) FROM table_with_pk_clear;
|
||
|
|
||
|
ALTER TABLE table_with_pk_clear CLEAR COLUMN key2 IN PARTITION tuple(); --{serverError 524}
|
||
|
|
||
|
SELECT count(distinct key2) FROM table_with_pk_clear;
|
||
|
|
||
|
DROP TABLE IF EXISTS table_with_pk_clear;
|