[GitHub] [drill] cgivre commented on issue #2390: add time unit WEEK to EXTRACT()

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cgivre commented on issue #2390:
URL: https://github.com/apache/drill/issues/2390#issuecomment-982612288


   @pandalanax 
   Thanks for your interest in Drill!  You might want to take a look at the `nearestdate()` function. [1]
   This has similar functionality to what you're describing although I do agree it would be good to add the `WEEK` to the `EXTRACT` function.
   
   For example, you could do the following query:
   
   ```sql
   SELECT nearestdate(CURRENT_DATE, 'WEEK_SUNDAY') AS current_week 
   FROM ...
   ```
   If you wanted the week number you could wrap this in the `TO_DATE` function like this:
   
   ```sql
   SELECT TO_DATE(nearestDate(CURRENT_DATE, 'WEEK_SUNDAY'), 'w') AS week_num
   FROM ....
   ```
   
   
   [1]: https://drill.apache.org/docs/date-time-functions-and-arithmetic/#nearestdate


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