mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 18:12:02 +00:00
28 lines
1.3 KiB
SQL
28 lines
1.3 KiB
SQL
DROP TABLE IF EXISTS ColumnsClauseTest;
|
|
|
|
CREATE TABLE ColumnsClauseTest (product_price Int64, product_weight Int16, amount Int64) Engine=TinyLog;
|
|
INSERT INTO ColumnsClauseTest VALUES (100, 10, 324), (120, 8, 23);
|
|
SELECT COLUMNS('product.*') from ColumnsClauseTest ORDER BY product_price;
|
|
|
|
DROP TABLE ColumnsClauseTest;
|
|
|
|
SELECT number, COLUMNS('') FROM numbers(2);
|
|
SELECT number, COLUMNS('ber') FROM numbers(2); -- It works for unanchored regular expressions.
|
|
SELECT number, COLUMNS('x') FROM numbers(2);
|
|
SELECT COLUMNS('') FROM numbers(2);
|
|
|
|
SELECT COLUMNS('x') FROM numbers(10) WHERE number > 5; -- { serverError 51 }
|
|
|
|
SELECT * FROM numbers(2) WHERE NOT ignore();
|
|
SELECT * FROM numbers(2) WHERE NOT ignore(*);
|
|
SELECT * FROM numbers(2) WHERE NOT ignore(COLUMNS('.+'));
|
|
SELECT * FROM numbers(2) WHERE NOT ignore(COLUMNS('x'));
|
|
SELECT COLUMNS('n') + COLUMNS('u') FROM system.numbers LIMIT 2;
|
|
|
|
SELECT COLUMNS('n') + COLUMNS('u') FROM (SELECT 1 AS a, 2 AS b); -- { serverError 42 }
|
|
SELECT COLUMNS('a') + COLUMNS('b') FROM (SELECT 1 AS a, 2 AS b);
|
|
SELECT COLUMNS('a') + COLUMNS('a') FROM (SELECT 1 AS a, 2 AS b);
|
|
SELECT COLUMNS('b') + COLUMNS('b') FROM (SELECT 1 AS a, 2 AS b);
|
|
SELECT COLUMNS('a|b') + COLUMNS('b') FROM (SELECT 1 AS a, 2 AS b); -- { serverError 42 }
|
|
SELECT plus(COLUMNS('^(a|b)$')) FROM (SELECT 1 AS a, 2 AS b);
|