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From "Ryan McKinley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2649) FieldCache should include a BitSet for matching docs
Date Fri, 17 Sep 2010 16:32:34 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ryan McKinley updated LUCENE-2649:
----------------------------------

    Attachment: LUCENE-2649-FieldCacheWithBitSet.patch

I added a static flag to CachedArray:
{code:java}
  public abstract static class CachedArray {
    public static boolean CACHE_VALID_ARRAY_BITS = false;
    
    public final Bits valid;
    public CachedArray( Bits valid ) {
      this.valid = valid;
    }
  };
{code}
and then set it to true in the SolrCore static initalizer.

If folks are ok with this approach, I'll clean up the javadocs etc

> 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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