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https://issues.apache.org/jira/browse/LUCENE-3065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029412#comment-13029412
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Uwe Schindler edited comment on LUCENE-3065 at 5/5/11 4:22 PM:
---------------------------------------------------------------
Revert of deletion of Mike's first comment (sorry)
{quote}
Patch against 3.x.
I moved the to/from byte[] methods from Solr's TrieField into Lucene's
NumericUtils, and fixed FieldsWriter/Reader to use free bits in the field's
flags to know if the field is Numeric, and which type.
I added a random test case to verify we now get the right NumericField back,
when we stored NumericField during indexing.
Old indices are handled fine (you'll get a String-ified Field back like you did
before).
Spookily, nothing failed in Solr... I assume there's somewhere in Solr that
must now be fixed to handle the fact that a field can come back as
NumericField? Anyone know where...?)
{quote}
was (Author: thetaphi):
Patch against 3.x.
I moved the to/from byte[] methods from Solr's TrieField into Lucene's
NumericUtils, and fixed FieldsWriter/Reader to use free bits in the field's
flags to know if the field is Numeric, and which type.
I added a random test case to verify we now get the right NumericField back,
when we stored NumericField during indexing.
Old indices are handled fine (you'll get a String-ified Field back like you did
before).
Spookily, nothing failed in Solr... I assume there's somewhere in Solr that
must now be fixed to handle the fact that a field can come back as
NumericField? Anyone know where...?)
> NumericField should be stored in binary format in index (matching Solr's
> format)
> --------------------------------------------------------------------------------
>
> Key: LUCENE-3065
> URL: https://issues.apache.org/jira/browse/LUCENE-3065
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Michael McCandless
> Assignee: Uwe Schindler
> Priority: Minor
> Fix For: 3.2, 4.0
>
> Attachments: LUCENE-3065.patch, LUCENE-3065.patch, LUCENE-3065.patch,
> LUCENE-3065.patch, LUCENE-3065.patch, LUCENE-3065.patch, LUCENE-3065.patch
>
>
> (Spinoff of LUCENE-3001)
> Today when writing stored fields we don't record that the field was a
> NumericField, and so at IndexReader time you get back an "ordinary" Field and
> your number has turned into a string. See
> https://issues.apache.org/jira/browse/LUCENE-1701?focusedCommentId=12721972&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12721972
> We have spare bits already in stored fields, so, we should use one to record
> that the field is numeric, and then encode the numeric field in Solr's
> more-compact binary format.
> A nice side-effect is we fix the long standing issue that you don't get a
> NumericField back when loading your document.
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