Hoss Man created SOLR-6202:
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Summary: Simplify the use of "rq" for query re-ranking
Key: SOLR-6202
URL: https://issues.apache.org/jira/browse/SOLR-6202
Project: Solr
Issue Type: Improvement
Reporter: Hoss Man
It seems like there is some really easy tweaks we could make to the "rq"
(Re-Ranking Query) API to make it less verbose and easier to use:
* in QueryComponent
** when parsing "rq", we should use "rerank" as the default parser
*** should be a trivial change to the QParser.getParser when initializin
rqparser
* in ReRankQParserPlugin
** we should deprecate/remove the "reRankQuery" local param and just use "v"
*** this is the implicit param created when using the body of the query string,
or it can be explicit (to refer to variables)
** we should leverage subQuery() (just like NestedQParser does) so that
"defType" is respected when parsing the wrapped query
Unless i'm overlooking something, the combination of these simple changes
should drastically simplify a lot of use cases...
{noformat}
BEFORE: rq={!rerank reRankQuery=$rqq}rqq=XXX
AFTER: rq=XXX
BEFORE: rq={!rerank reRankQuery=$rqq reRankDocs=200}$rqq={!func}XXX
AFTER: rq={!reRankDocs=200 defType=func}XXX
{noformat}
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