Funkce MySQL YEARWEEK().

Vraťte rok a číslo týdne pro datum:

SELECT YEARWEEK("2017-06-15");

Definice a použití

Funkce YEARWEEK() vrátí rok a číslo týdne (číslo od 0 do 53) pro dané datum.

YEARWEEK(date, firstdayofweek)

Parameter	Description
date	Required. The date or datetime value to extract the year and week number from
firstdayofweek	Optional. Specifies what day the week starts on. Can be one of the following: 0 - First day of week is Sunday 1 - First day of week is Monday and the first week has more than 3 days 2 - First day of week is Sunday 3 - First day of week is Monday and the first week has more than 3 days 4 - First day of week is Sunday and the first week has more than 3 days 5 - First day of week is Monday 6 - First day of week is Sunday and the first week has more than 3 days 7 - First day of week is Monday

Parameter

Description

date

Required. The date or datetime value to extract the year and week number from

firstdayofweek

Optional. Specifies what day the week starts on. Can be one of the following:

Pracuje v:	Od MySQL 4.0

Vraťte rok a číslo týdne pro datum:

SELECT YEARWEEK("2017-10-25");

Vraťte rok a číslo týdne pro aktuální systémové datum:

SELECT YEARWEEK(CURDATE());