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https://issues.apache.org/jira/browse/LUCENE-3453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13114256#comment-13114256
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Chris Male commented on LUCENE-3453:
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Okay so a battle plan:
DocValues is basically an attribute of a Field and is a way of processing that
Field's value. So to remove the need for IndexDocValues, lets:
- Move ValueType to FieldType. FieldType is the appropriate place for that
kind of metadata. This forces the user to define the ValueType of their
DocValues when they initialize the FT.
- Remove PerFieldDocValues docValues() from Field as its implicit when you
consider the ValueType in combination with the actual value.
- Change DocValuesConsumer to consume an IndexableField. It'll be responsible
for then creating the PerFieldDocValues by looking at the ValueType.
When we get round to introducing StorableField/Type, the DocValues ValueType
will go over to StorableFieldType, more closely aligning DocValues and
traditional value storing.
> remove IndexDocValuesField
> --------------------------
>
> Key: LUCENE-3453
> URL: https://issues.apache.org/jira/browse/LUCENE-3453
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 4.0
> Reporter: Robert Muir
> Assignee: Chris Male
>
> Its confusing how we present CSF functionality to the user, its actually not
> a "field" but an "attribute" of a field like STORED or INDEXED.
> Otherwise, its really hard to think about CSF because there is a mismatch
> between the APIs and the index format.
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