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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 |
Info
WEEKOFYEAR (date) is equivalent to WEEK(date, 3).
Return Type
Integer
Examples
memsql> select week('2009-02-13 23:31:30', 7);
+--------------------------------+
| week('2009-02-13 23:31:30', 7) |
+--------------------------------+
| 6 |
+--------------------------------+
Related Topics
