[jira] Commented: (LUCENE-1296) Allow use of compact DocIdSet in CachingWrapperFilter

["Paul Elschot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-1296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12640832#action_12640832 ] 

Paul Elschot commented on LUCENE-1296:
--------------------------------------

This didn't make it into 2.4.

A side effect of that is that SortedVIntList will somtimes be used instead of an OpenBitSet contrib search/BooleanFilter and misc/ChainedFilter. So far no problems have surfaced there, which is good news. I wonder if there was any performance improvement in practice because of this.

> Allow use of compact DocIdSet in CachingWrapperFilter
> -----------------------------------------------------
>
>                 Key: LUCENE-1296
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1296
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Paul Elschot
>            Priority: Minor
>         Attachments: cachedFilter20080529.patch, cachedFilter20080605.patch
>
>
> Extends CachingWrapperFilter with a protected method to determine the DocIdSet to be cached.

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