[jira] Commented: (SOLR-153) Facet Index

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[jira] Commented: (SOLR-153) Facet Index

Sebastian Nagel (Jira)

    [ https://issues.apache.org/jira/browse/SOLR-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12921489#action_12921489 ]

Peter Karich commented on SOLR-153:

> That's really the only case where our existing algorithms fall down.

but that is quite common ... like in my case ;-)
hmmh, I will see if I have time.

This is one line where I need to replace the 'old intersection' with the new one which uses the precalculated tree:

c = searcher.numDocs(new TermQuery(t), docs, deState);


But I don't understand the part where where df > minDfFilterCache ... What is a '(Multi)DocsEnum' ? I'll investigate this!

> Facet Index
> -----------
>                 Key: SOLR-153
>                 URL: https://issues.apache.org/jira/browse/SOLR-153
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>         Attachments: facettree.patch, facettree.patch
> A facet index, initially for non-hierarchical facets.
> Start with all terms, and a set of documents for each term.  Group lower level nodes by taking the union of the sets, but keep track of the largest set going back all the way to the leaves (the max doc-freq for that node).

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