[jira] [Created] (SOLR-11679) TraveValueSource & trace() parser

["Hoss Man (JIRA)" <ji...@apache.org>]

Hoss Man created SOLR-11679:
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             Summary: TraveValueSource & trace() parser
                 Key: SOLR-11679
                 URL: https://issues.apache.org/jira/browse/SOLR-11679
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Hoss Man
            Assignee: Hoss Man
            Priority: Trivial


I whiped up a little TraceValueSource and {{trave()}} function parser to help demonstrate how/when the ValueSource API was used by the FunctionRangeQParser for the purposes of a blog post i'm about to publish.

Essentially it just writes a log message with some tracing details everytime one of the {{FunctionValue}} methods (ie: exists, intVal, floatVal, etc...) are called, so that when used from FunctionRangeQParser you can see how things like {{cost}} and post-filtering impact things.

I don't think there is a lot of value in committing the code as is -- it would be dangerously verbose on non trivial indexes -- but i wanted to put the patch in jira in case it inspires anyone with a more interesting idea.



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