Important
The SingleStore 9.1 release candidate (RC) is available now. It will be promoted to general availability (GA) soon and at that time it will be renamed to SingleStore 10.
In the interim, SingleStore 9.1 RC can be used to preview, evaluate, and provide feedback on the new and upcoming features in SingleStore 10, while SingleStore 9.0 is recommended for production workloads.
WEEK
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The WEEK() function 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 |
+--------------------------------+Related Topics
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