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https://issues.apache.org/jira/browse/SOLR-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892222#action_12892222
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Gijs Kunze commented on SOLR-1240:
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{quote}
bq. p.s. I noticed the start parameter was missing from your xml example, is
that on purpose or a slight oversight?
no ... we've never included "start" in the date faceting (so i didn't include
it here) because it's always the value of the first constraint count ... the
only reason "end" was ever included is because it isn't immediately obvious
what the upper bound of the last range is from the gap: the "hardend" param can
modify it.
do you think we really need to explicitly label the start? if we add an
optional verbose format that can obviously include it, is it really needed in
this simple output?
{quote}
Ahh ok, that makes sense. However with the mincount parameter you do not always
have the start parameter, nor do you always have both values of a single count.
This not be much of an issue with dates and integers as you can simply add the
gap to the start value but with floating point numbers I'm a little more wary
adding the gap to floating point values due to rounding errors.
The verbose response option was just a thought. While some parts might be
useful thinking more about it the filter response isn't as useful as I thought
it would be while writing the post. It's just that I'd like it if there were
more of a link between the facets one selects and the filters based on those
facets. But I guess that's another discussion.
> Numerical Range faceting
> ------------------------
>
> Key: SOLR-1240
> URL: https://issues.apache.org/jira/browse/SOLR-1240
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Gijs Kunze
> Priority: Minor
> Attachments: SOLR-1240.patch, SOLR-1240.patch, SOLR-1240.patch,
> SOLR-1240.patch, SOLR-1240.patch, SOLR-1240.patch, SOLR-1240.patch,
> SOLR-1240.patch
>
>
> For faceting numerical ranges using many facet.query query arguments leads to
> unmanageably large queries as the fields you facet over increase. Adding the
> same faceting parameter for numbers which already exists for dates should fix
> this.
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