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https://issues.apache.org/jira/browse/LUCENE-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12914177#action_12914177
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Ryan McKinley commented on LUCENE-2649:
---------------------------------------
bq. Hmmm, that would also seem to transform the FieldCache into a more generic
index reader cache - not a bad idea!
But is it a good one?! This would let the FieldCache just focus on the
synchronized cache mechenism, and the each EntryCreator would need to do its
own Parsing etc
Anyone know what the deal is with IndexReader:
{code:java}
/** Expert */
public Object getCoreCacheKey() {
return this;
}
{code}
> FieldCache should include a BitSet for matching docs
> ----------------------------------------------------
>
> Key: LUCENE-2649
> URL: https://issues.apache.org/jira/browse/LUCENE-2649
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Ryan McKinley
> Fix For: 4.0
>
> Attachments: LUCENE-2649-FieldCacheWithBitSet.patch,
> LUCENE-2649-FieldCacheWithBitSet.patch,
> LUCENE-2649-FieldCacheWithBitSet.patch,
> LUCENE-2649-FieldCacheWithBitSet.patch, LUCENE-2649-FieldCacheWithBitSet.patch
>
>
> The FieldCache returns an array representing the values for each doc.
> However there is no way to know if the doc actually has a value.
> This should be changed to return an object representing the values *and* a
> BitSet for all valid docs.
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