[jira] [Created] (SOLR-13645) Add analytics function to format/extract components from dates

["Neal Sidhwaney (JIRA)" <ji...@apache.org>]

Neal Sidhwaney created SOLR-13645:
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             Summary: Add analytics function to format/extract components from dates
                 Key: SOLR-13645
                 URL: https://issues.apache.org/jira/browse/SOLR-13645
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 8.1.1
            Reporter: Neal Sidhwaney


It's helpful when running analytics to be able to do manipulation on dates such as extracting month/day/year, converting to th week of year, etc, and other formatting as many existing libraries provide.  I have a patch going through final testing that will add this to the analytcs library.

One thing I'm sort of amibvialent about is that it exposes that we use Java date parsing in the analytics function, because the syntax is the same format string that SimpleDateFormat accepts.  Ideally there would be an abstraction between the analytics language and what's used on the backend to implement it.  On the other hand, implementing a syntax for time/date formatting is something that's been done many many times before, and this is not the only place where Java date particulars show through.  It would be good to revisit this at a later time.

 

 

 



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