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https://issues.apache.org/jira/browse/SOLR-2415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010308#comment-13010308
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Hoss Man commented on SOLR-2415:
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bq. how should we handle the desire to change the faceting format (to make it
easier to add metadata like total number of constraints, etc)? "version" would
be one way. "facet.format" would be another way.
i don't think the *structure* of the response (ie: the facet response section)
should be driven by the same param as the *format* of the response, which is
what "version" currently is. Something like facet.format seems more
appropriate when dealing with a specific component like that ... but i don't
think it should be a numeric "version" equse property, i think it should be
descriptive (ie: "flat", vs "nested" or something)
bq. perhaps we should add a getVersion() parameter on SolrQueryRequest and have
that used across all components.
when i suggested we have a common wt.version param that all of the response
writers could use, i didn't mean to suggest that it should have a singular id
space. my suggestion was that the specific values specified for "version" or
"wt.version" or whatever would only be meaningful to the specific response
writer used -- just as the current values of the version param that the
XMLResponseWriter uses are meaninless to the JSONResponseWriter. the overlap
would only be in reusing the param name (in the same way that "q" is the common
param name for the main query, regardless of what query parser is specified by
"defType")
bq. Look at how long the existing response writers have hung around in their
current format, independent of the version # changes (1.2, 1.3, 1.4, and now
3.1)
the version param of the XML response writer has never been in sync with the
solr version, it was never intended to be. it's always been the version number
of the xml format.
> Change XMLWriter version parameter to "wt.xml.version"
> ------------------------------------------------------
>
> Key: SOLR-2415
> URL: https://issues.apache.org/jira/browse/SOLR-2415
> Project: Solr
> Issue Type: Improvement
> Reporter: Ryan McKinley
> Priority: Trivial
> Fix For: 4.0
>
>
> The XMLWriter has a parameter called 'version'. This controls some specifics
> about how the XMLWriter works. Using the parameter name 'version' made sense
> back when the XMLWriter was the only option, but with all the various writers
> and different places where 'version' makes sense, I think we should change
> this parameter name to "wt.xml.version" so that it specifically refers to the
> XMLWriter.
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