Mailing-List: contact java-user-help@lucene.apache.org; run by ezmlm
Precedence: bulk
Reply-To: java-user@lucene.apache.org
Received-SPF: pass (athena.apache.org: domain of akshay.ukey@gmail.com
 designates 209.85.146.178 as permitted sender)
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:date:message-id:subject:from:to
         :content-type;
        b=EFgyq3cA5Atu1qh75C6egHuZ5Fw965ecG2jwOoPGoSWM68XWex3veRh7oW80pNiz8P
         Npmw4NhtLhsroiphjRhWxJNrsKU9MXh2FbYj2feqBrLxBeT6m8KF9UX3VII9lyzxWo4C
         xCHwZZX8sUzQYD2dTEFnBL4Lcqvfck7m9E7oA=
MIME-Version: 1.0
In-Reply-To: <92368973-385E-41D0-8CFE-3800E1F27CBF@mikemccandless.com>
References: <36a9c1920902110751k719c095agb80a1fd10ed6fe76@mail.gmail.com>
	 <92368973-385E-41D0-8CFE-3800E1F27CBF@mikemccandless.com>
Date: Wed, 11 Feb 2009 22:53:50 +0530
Message-ID: <36a9c1920902110923waf05bebr1a9d471f758f2333@mail.gmail.com>
Subject: Re: Creation of index for the first time
From: Akshay <akshay.ukey@gmail.com>
To: java-user@lucene.apache.org
Content-Type: multipart/alternative; boundary=00163645883e0810c40462a7de83

--00163645883e0810c40462a7de83
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit

Is there a way, without the knowledge of how IndexWriter was used, by which
we can say that an empty index currently open is a really fresh index
created for the first time?

Thanks.

On Wed, Feb 11, 2009 at 9:54 PM, Michael McCandless <
lucene@mikemccandless.com> wrote:

>
> If you create IndexWriter with create=true in a directory that has no
> Lucene index, segments_1 is created.
>
> If you do the same, but in a directory that already has a Lucene index,
> segments_(N+1) is created (where N was the last generation of the current
> index in that directory).
>
> But... this is an internal detail to Lucene's index format and could change
> in some future release.
>
> Mike
>
>
> Akshay wrote:
>
>  Hi List,
>>
>> How to find if an empty lucene index has been created for the very first
>> time? Is the generation number 1 enough to determine this?
>>
>> --
>> Regards,
>> Akshay K. Ukey.
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>


-- 
Regards,
Akshay K. Ukey.

--00163645883e0810c40462a7de83--