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https://issues.apache.org/jira/browse/LUCENE-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910746#action_12910746
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Yonik Seeley commented on LUCENE-2649:
--------------------------------------
bq. How would that work?
We could start off simple - add only recordMissing functionallity and punt on
the rest, while still leaving a place to add it.
{code}
class FieldCache {
public static class EntryCreator {
public boolean recordMissing() {
return false;
}
public abstract Parser getParser();
}
{code}
Not even sure if a whole hierarchy is needed at this point... in the future,
we'd prob want
{code}
public static EntryCreatorInt extends EntryCreator {
public IntValues getIntValues(IndexReader reader, String field) {... code
currently in FieldCacheImpl that fills the fieldCahe...}
...
}
{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
>
>
> 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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