mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
21 lines
411 B
SQL
21 lines
411 B
SQL
SET compile_expressions = 1;
|
|
|
|
DROP TABLE IF EXISTS foo;
|
|
|
|
CREATE TABLE foo (
|
|
id UInt32,
|
|
a Float64,
|
|
b Float64,
|
|
c Float64,
|
|
d Float64
|
|
) Engine = MergeTree()
|
|
PARTITION BY id
|
|
ORDER BY id;
|
|
|
|
INSERT INTO foo VALUES (1, 0.5, 0.2, 0.3, 0.8);
|
|
|
|
SELECT divide(sum(a) + sum(b), nullIf(sum(c) + sum(d), 0)) FROM foo;
|
|
SELECT divide(sum(a) + sum(b), nullIf(sum(c) + sum(d), 0)) FROM foo;
|
|
|
|
DROP TABLE foo;
|