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Posted to dev@lucene.apache.org by "Shai Erera (JIRA)" <ji...@apache.org> on 2013/03/16 09:24:12 UTC
[jira] [Updated] (LUCENE-4838) Add getOrd to BytesRefHash
[ https://issues.apache.org/jira/browse/LUCENE-4838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shai Erera updated LUCENE-4838:
-------------------------------
Attachment: LUCENE-4838.patch
Patch adds getOrd(BytesRef) with and without pre-computed hash code + matching test in TestBytesRefHash. If there are no objections, I will commit it later.
> Add getOrd to BytesRefHash
> --------------------------
>
> Key: LUCENE-4838
> URL: https://issues.apache.org/jira/browse/LUCENE-4838
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/other
> Reporter: Shai Erera
> Assignee: Shai Erera
> Priority: Minor
> Attachments: LUCENE-4838.patch
>
>
> There is no API today to query BytesRefHash for the existence of a certain BytesRef. Rather, you should use .add(), which looks up the given bytes, and hashes them if they are not found, or returns their ord if they are found.
> I would like to add a simple getOrd API which will return the ord of a given BytesRef, or -1 if not found. I would like to use that API in the facet module, and I need to be able to query the hash without necessarily adding elements to it.
> I have a simple patch, will post shortly.
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