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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1749) FieldCache introspection API
Date Tue, 04 Aug 2009 19:06:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739098#action_12739098
] 

Yonik Seeley commented on LUCENE-1749:
--------------------------------------

bq. Asking the searcher for the docFreq is the right thing to do... but people who rely on
Weight being serializable might be in for a nasty surprise.

If we decide not to ask weight to hang onto it's searcher, then the other way to do it right
is to change explain() to accept a Searcher as well as a IndexReader.

> FieldCache introspection API
> ----------------------------
>
>                 Key: LUCENE-1749
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1749
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>            Reporter: Hoss Man
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: fieldcache-introspection.patch, LUCENE-1749-hossfork.patch, LUCENE-1749.patch,
LUCENE-1749.patch, LUCENE-1749.patch, LUCENE-1749.patch, LUCENE-1749.patch, LUCENE-1749.patch,
LUCENE-1749.patch, LUCENE-1749.patch, LUCENE-1749.patch, LUCENE-1749.patch
>
>
> FieldCache should expose an Expert level API for runtime introspection of the FieldCache
to provide info about what is in the FieldCache at any given moment.  We should also provide
utility methods for sanity checking that the FieldCache doesn't contain anything "odd"...
>    * entries for the same reader/field with different types/parsers
>    * entries for the same field/type/parser in a reader and it's subreader(s)
>    * etc...

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