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https://issues.apache.org/jira/browse/SOLR-13099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16733074#comment-16733074
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Jan Høydahl edited comment on SOLR-13099 at 1/3/19 3:36 PM:
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Please also add a line to CHANGES.txt to describe your change. And if you want
to attempt Reference Guide documentation update for
[https://lucene.apache.org/solr/guide/7_6/working-with-dates.html#date-math-syntax]
that would be perfect, others can language wash and check correctness.
We should find a way to configure start of week. Since Solr already abides by
[ISO-8601|https://en.wikipedia.org/wiki/ISO_8601] and UTC when it comes to
dates, it makes more sense to let the default first day of week be Monday as
defined in the standard ([https://en.wikipedia.org/wiki/Week,]
[https://www.timeanddate.com/calendar/days/monday.html,]
[https://docs.oracle.com/javase/8/docs/api/java/time/DayOfWeek.html]).
In order to ask Solr to use Sunday as first day for date math I suggest a new
request parameter {{FDOW=<dow>}} where FDOW=7 would set Sunday as first day.
That could be described in the section [Request Parameters That Affect Date
Math|https://lucene.apache.org/solr/guide/7_6/working-with-dates.html#request-parameters-that-affect-date-math]
was (Author: janhoy):
Please also add a line to CHANGES.txt to describe your change. And if you want
to attempt Reference Guide documentation update for
[https://lucene.apache.org/solr/guide/7_6/working-with-dates.html#date-math-syntax]
that would be perfect, others can language wash and check correctness.
We should find a way to configure start of week. Since Solr already abides by
[ISO-8601|https://en.wikipedia.org/wiki/ISO_8601] and UTC when it comes to
dates, it makes more sense to let the default first day of week be Monday as
defined in the standard ([https://en.wikipedia.org/wiki/Week,]
[https://www.timeanddate.com/calendar/days/monday.html,]
[https://docs.oracle.com/javase/8/docs/api/java/time/DayOfWeek.html]).
In order to ask Solr to use Sunday as first day for date math I suggest a new
request parameter {{FDOW=Sun}} that could be described in the section [Request
Parameters That Affect Date
Math|https://lucene.apache.org/solr/guide/7_6/working-with-dates.html#request-parameters-that-affect-date-math]
> Support a new type of unit 'WEEK ' for DateMathParser
> -----------------------------------------------------
>
> Key: SOLR-13099
> URL: https://issues.apache.org/jira/browse/SOLR-13099
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Haochao Zhuang
> Priority: Major
> Attachments: SOLR-13099.patch
>
>
> for convenience purpose, i think a WEEK unit is necessary.
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