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Posted to dev@lucene.apache.org by "Mikhail Khludnev (Jira)" <ji...@apache.org> on 2019/08/26 19:29:00 UTC
[jira] [Commented] (SOLR-13720) Impossible to create effective
ToParenBlockJoinQuery in custom QParser
[ https://issues.apache.org/jira/browse/SOLR-13720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916086#comment-16916086 ]
Mikhail Khludnev commented on SOLR-13720:
-----------------------------------------
Thank you, [~slivotov]. Would you mind to add tests just checking public methods existence.
> Impossible to create effective ToParenBlockJoinQuery in custom QParser
> ----------------------------------------------------------------------
>
> Key: SOLR-13720
> URL: https://issues.apache.org/jira/browse/SOLR-13720
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: master (9.0)
> Reporter: Stanislav Livotov
> Priority: Major
> Fix For: master (9.0)
>
> Attachments: SOLR-13720.patch
>
>
> According to Solr [ducumentation|#SolrPlugins-QParserPlugin] QParser is treated as a legal plugin.
>
> However, it is impossible to create an effective ToParentBlockJoin query without copy-pasting(BitDocIdSetFilterWrapper class and getCachedFilter method from BlockJoinParentQParser) or dirty hacks(like creating org.apache.solr.search.join package with some accessor method to package-private methods in plugin code and adding it in WEB-INF/lib directory in order to be loaded by the same ClassLoader).
> I don't see a truly clean way how to fix it, but at least we can help custom plugin developers to create it a little bit easier by making BlockJoinParentQParser#getCachedFilter public and BlockJoinParentQParser#BitDocIdSetFilterWrapper and providing getter for BitDocIdSetFilterWrapper#filter.
>
>
> In order to create
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