SingleStore Managed Service

WEEK

Extracts the week number from the given datetime. There are eight ways to number weeks, described below.

Syntax
WEEK ( dateobj, [mode] )
WEEKOFYEAR ( dateobj )
Arguments
  • dateobj: a valid date, datetime, or parsable date string.

  • mode: a number from 0 to 7, corresponding to the mode desired.

Mode

Description

Counting from

0

Week (0 to 53) starting Sunday

First week with a Sunday

1

Week (0 to 53) starting Monday

First week with 4+ days

2

Week (1 to 53) starting Sunday

First week with a Sunday

3

Week (1 to 53) starting Monday

First week with 4+ days

4

Week (0 to 53) starting Sunday

First week with 4+ days

5

Week (0 to 53) starting Monday

First week with a Monday

6

Week (1 to 53) starting Sunday

First week with 4+ days

7

Week (1 to 53) starting Monday

First week with a Monday

Important

WEEKOFYEAR (date) is equivalent to WEEK(date, 3).

Return Type

Integer

Examples
select week('2009-02-13 23:31:30', 7);
+--------------------------------+
| week('2009-02-13 23:31:30', 7) |
+--------------------------------+
|                              6 |
+--------------------------------+

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