[jira] [Commented] (LUCENE-6464) Allow possibility to group contexts in AnalyzingInfixSuggester.loockup()

["Michael McCandless (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-6464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534598#comment-14534598 ] 

Michael McCandless commented on LUCENE-6464:
--------------------------------------------

[~arcadius] +1 to just accept a BooleanQuery for the context?  But can we keep the current method (that takes Map<key,Occur>) and just add a new expert method taking an arbitrary BooleanQuery?

> Allow possibility to group contexts in AnalyzingInfixSuggester.loockup()
> ------------------------------------------------------------------------
>
>                 Key: LUCENE-6464
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6464
>             Project: Lucene - Core
>          Issue Type: Improvement
>    Affects Versions: 5.1
>            Reporter: Arcadius Ahouansou
>         Attachments: LUCENE-6464.patch
>
>
> This is an enhancement to LUCENE-6050 
> LUCENE-6050 added
> {code}
> lookup(CharSequence key, Map<BytesRef, BooleanClause.Occur> contextInfo, int num, boolean allTermsRequired, boolean doHighlight)
> {code}
> which allowed to do something like
> (A OR B AND C OR D ...)
> In our use-case, we realise that we need grouping i.e
> (A OR B) AND (C OR D) AND (...)
> In other words, we need the intersection of multiple contexts.
> The attached patch allows to pass in a varargs of map, each one representing the each group. Looks a bit heavy IMHO.
> This is an initial patch.
> The question to [~mikemccand] and [~janechang] is:
> is it better to expose a FilteredQuery/Query and let the user build their own query instead of passing a map?
> Exposing a filteredQuery will probably give the best flexibility to the end-users.



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