year
This function is used to return the year of a specified date.
Syntax
year(string date)
Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
date |
Yes |
DATE or STRING |
Date that needs to be processed
The following formats are supported:
|
Return Values
The return value is of the INT type.
![](https://support.huaweicloud.com/intl/en-us/sqlreference-dli/public_sys-resources/note_3.0-en-us.png)
- If the value of date is not of the DATE or STRING type, the error message "data type mismatch" is displayed.
- If the value of date is of the DATE or STRING type but is not in one of the supported formats, NULL is returned.
- If the value of date is NULL, NULL is returned.
Example Code
The value 2023 is returned.
select year('2023-08-16 10:54:36');
The value NULL is returned.
select year('23-01-01');
The value NULL is returned.
select year('2023/08/16');
The value NULL is returned.
select year(null);
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