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https://issues.apache.org/jira/browse/SOLR-2014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12970894#action_12970894
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Hoss Man commented on SOLR-2014:
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Ivan: thanks for your patch.
as noted in, SOLR-2267, In my option, now that we have LocalParams the "bf"
param should be deprecated and removed in place of just using the "boost" or
"bq" param - "bf=..." is functionally equivalent to "bq={!func}..."
The only reason i can think of why you might explicitly want bf is if you have
been using solr since the stone ages, and have really old clients with
hardcoded queries and you *want* the legacy semantics of splitting on
whitespace to get multiple function boosts.
Can you think of any major advantages "bf" has over "bq" moving forward?
> Allow BF parameter to accept complex nested expressions with whitespace
> sprinkled throughout
> --------------------------------------------------------------------------------------------
>
> Key: SOLR-2014
> URL: https://issues.apache.org/jira/browse/SOLR-2014
> Project: Solr
> Issue Type: Improvement
> Reporter: Ivan Small
> Priority: Minor
> Attachments: SOLR-2014.patch
>
>
> Modify the parsing of the boost function parameter (BF) to allow for
> whitespace throughout. This is useful for a couple of reasons. The first is
> more intuitive configuration, but the larger is to allow nested boost
> functions. By allowing for nesting of the boost function various forms of
> caching, normalizing and other modification are possible.
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