[jira] Resolved: (LUCENE-2664) Add SimpleText codec

["Michael McCandless (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-2664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-2664.
----------------------------------------

    Resolution: Fixed

> Add SimpleText codec
> --------------------
>
>                 Key: LUCENE-2664
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2664
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-2664.patch
>
>
> Inspired by Sahin Buyrukbilen's question here:
>   http://www.lucidimagination.com/search/document/b68846e383824653/how_to_export_lucene_index_to_a_simple_text_file#b68846e383824653
> I made a simple read/write codec that stores all postings data into a
> single text file (_X.pst), looking like this:
> {noformat}
> field contents
>   term file
>     doc 0
>       pos 5
>   term is
>     doc 0
>       pos 1
>   term second
>     doc 0
>       pos 3
>   term test
>     doc 0
>       pos 4
>   term the
>     doc 0
>       pos 2
>   term this
>     doc 0
>       pos 0
> END
> {noformat}
> The codec is fully funtional -- all Lucene & Solr tests pass with
> -Dtests.codec=SimpleText -- but, its performance is obviously poor.
> However, it should be useful for debugging, transparency,
> understanding just what Lucene stores in its index, etc.  And it's a
> quick way to gain some understanding on how a codec works...

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