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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2295) Create a MaxFieldLengthAnalyzer to wrap any other Analyzer and provide the same functionality as MaxFieldLength provided on IndexWriter
Date Fri, 05 Mar 2010 11:41:27 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12841822#action_12841822
] 

Shai Erera commented on LUCENE-2295:
------------------------------------

This will open the door for more extensible field-length limit - today MFL dictates the field
length for all fields, while this Analyzer (TokenFilter actually) someone could wrap the TokenStream
only for specific fields, and/or have fields with different limits. Just a thought.

> Create a MaxFieldLengthAnalyzer to wrap any other Analyzer and provide the same functionality
as MaxFieldLength provided on IndexWriter
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-2295
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2295
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Shai Erera
>             Fix For: 3.1
>
>
> A spinoff from LUCENE-2294. Instead of asking the user to specify on IndexWriter his
requested MFL limit, we can get rid of this setting entirely by providing an Analyzer which
will wrap any other Analyzer and its TokenStream with a TokenFilter that keeps track of the
number of tokens produced and stop when the limit has reached.
> This will remove any count tracking in IW's indexing, which is done even if I specified
UNLIMITED for MFL.
> Let's try to do it for 3.1.

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