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From "David Schlotfeldt (JIRA)" <>
Subject [jira] [Commented] (SOLR-2690) Date Math should allow clients to override timezone used for rounding (faceting & queries)
Date Sun, 29 Apr 2012 21:39:47 GMT


David Schlotfeldt commented on SOLR-2690:

Sorry I'm not familiar with Solr's SVN layout. What SVN location do I look at? The trunk?
A branch?

What files were changed? Are all the changes you made in revision 1329837
> Date Math should allow clients to override timezone used for rounding (faceting &
> ------------------------------------------------------------------------------------------
>                 Key: SOLR-2690
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: David Schlotfeldt
>            Assignee: Hoss Man
>             Fix For: 4.0
>         Attachments: SOLR-2690.patch, SOLR-2690.patch, SOLR-2690.patch, add-tz-parameter.patch,
add-tz-parameter.patch, timezone-facet-component.tgz
>   Original Estimate: 3h
>  Remaining Estimate: 3h
> Timezone needs to be taken into account when doing date math. Currently it isn't. DateMathParser
instances created are always being constructed with UTC. This is a huge issue when it comes
to faceting. Depending on your timezone day-light-savings changes the length of a month. A
facet gap of +1MONTH is different depending on the timezone and the time of the year.
> I believe the issue is very simple to fix. There are three places in the code DateMathParser
is created. All three are configured with the timezone being UTC. If a user could specify
the TimeZone to pass into DateMathParser this faceting issue would be resolved.

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