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Message-ID: <957553818.1239121093047.JavaMail.jira@brutus>
Date: Tue, 7 Apr 2009 09:18:13 -0700 (PDT)
From: "Uwe Schindler (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Created: (LUCENE-1590) Stored-only fields automatically
 enable norms and tf when added to document
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Stored-only fields automatically enable norms and tf when added to document
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                 Key: LUCENE-1590
                 URL: https://issues.apache.org/jira/browse/LUCENE-1590
             Project: Lucene - Java
          Issue Type: Bug
          Components: Index
    Affects Versions: 2.4.1, 2.4, 2.9
            Reporter: Uwe Schindler


During updating my internal components to the new TrieAPI, I have seen the following:

I index a lot of numeric fields with trie encoding omitting norms and term frequency. This works great. Luke shows that both is omitted.

As I sometimes also want to have the components of the field stored and want to use the same field name for it. So I add additionally the field again to the document, but stored only (as the Field c'tor using a TokenStream cannot additionally store the field). As it is stored only, I thought, that I can left out explicit setting of omitNorms and omitTermFreqAndPositions. After adding the stored-only-without-omits field, Luke shows all fields with norms enabled. I am not sure, if the norms/tf were really added to the index, but Luke shows a value for the norms and FieldInfo has it enabled.

In my opinion, this is not intuitive, o.a.l.document.Field  should switch both omit* options on when storing fields only (and also disable other indexing-only options). Alternatively the internal FieldInfo.update(boolean isIndexed, boolean storeTermVector, boolean storePositionWithTermVector, boolean storeOffsetWithTermVector, boolean omitNorms, boolean storePayloads, boolean omitTermFreqAndPositions) should only change the omit* and other options, if the isIndexed parameter (not this.isIndexed) is also true, elsewhere leave it as it is.

In principle, when adding a stored-only field, any indexing-specific options should not be changed in FieldInfo. If the field was indexed with norms before, norms should stay enabled (but this would be the default as it is).

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