mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
49 lines
663 B
SQL
49 lines
663 B
SQL
DROP TABLE IF EXISTS x;
|
|
|
|
CREATE TABLE x ENGINE = Log AS SELECT * FROM numbers(0);
|
|
|
|
SYSTEM STOP MERGES x;
|
|
|
|
WITH y AS
|
|
(
|
|
SELECT *
|
|
FROM numbers(10)
|
|
)
|
|
INSERT INTO x
|
|
SELECT *
|
|
FROM y
|
|
INTERSECT
|
|
SELECT *
|
|
FROM numbers(5);
|
|
|
|
WITH y AS
|
|
(
|
|
SELECT *
|
|
FROM numbers(10)
|
|
)
|
|
INSERT INTO x
|
|
SELECT *
|
|
FROM numbers(5)
|
|
INTERSECT
|
|
SELECT *
|
|
FROM y;
|
|
|
|
SELECT * FROM x;
|
|
|
|
DROP TABLE x;
|
|
|
|
CREATE TABLE x (d date) ENGINE = Log;
|
|
|
|
WITH y AS
|
|
(
|
|
SELECT
|
|
number,
|
|
date_add(YEAR, number, toDate('2025-01-01')) AS new_date
|
|
FROM numbers(10)
|
|
)
|
|
INSERT INTO x
|
|
SELECT y.new_date FROM y;
|
|
|
|
SELECT * FROM x;
|
|
|
|
DROP TABLE x; |