mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 23:21:59 +00:00
19 lines
499 B
MySQL
19 lines
499 B
MySQL
|
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 SETTINGS compile_expressions = 1, min_count_to_compile = 0;
|
||
|
|
SELECT divide(sum(a) + sum(b), nullIf(sum(c) + sum(d), 0)) FROM foo SETTINGS compile_expressions = 1, min_count_to_compile = 0;
|
||
|
|
|
||
|
|
DROP TABLE foo;
|