thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-09-21 09:10:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Example fixed

Browse Source
This commit is contained in:
Alexey 2021-09-01 18:36:35 +00:00
parent 1e4b90f351
commit 299fc2604a
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
docs/en/sql-reference/statements/create/function.md
View File

@ -13,6 +13,7 @@ Creates a user defined function from a lambda expression. The expression must co
CREATE FUNCTION name AS (parameter0, ...) -> expression
```
A function can have an arbitrary number of parameters.
There are a few restrictions.
- The name of a function must be unique among user defined and system functions.
@ -43,7 +44,7 @@ Result:
A [conditional function](../../../sql-reference/functions/conditional-functions.md) is called in a user defined function in the following query:
```sql
CREATE FUNCTION parity AS (n) -> if(number % 2, 'odd', 'even');
CREATE FUNCTION parity AS (n) -> if(n % 2, 'odd', 'even');
SELECT number, parity(number) FROM numbers(3);
```