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From "Charlie Jackson" <Charlie.Jack...@cision.com>
Subject RE: quick allowDups questions
Date Wed, 10 Oct 2007 21:24:33 GMT
Thanks for the response, Mike. A quick test using the example app
confirms your statement. 

As for Solrj, you're probably right, but I'm not going to take any
chances for the time being. The server.add method has an optional
Boolean flag named "overwrite" that defaults to true. Without knowing
for sure what it does, I'm not going to mess with it. 

For the purposes of my problem, I've got an upper and lower bound of
affected docs, so I'm just going to delete them all and then initiate a
re-index of those specific ids from my source. 

Thanks again for the help!


-----Original Message-----
From: Mike Klaas [mailto:mike.klaas@gmail.com] 
Sent: Wednesday, October 10, 2007 3:58 PM
To: solr-user@lucene.apache.org
Subject: Re: quick allowDups questions

On 10-Oct-07, at 1:11 PM, Charlie Jackson wrote:

> Anyway, I need to update some docs in my index because my client  
> program
> wasn't accurately putting these docs in (values for one of the fields
> was missing). I'm hoping I won't have to write additional code to go
> through and delete each existing doc before I add the new one, and I
> think setting allowDups on the add command to false will allow me  
> to do
> this. I seem to recall something in the update handler code that goes
> through and deletes all but the last copy of the doc if allowDups is
> false - does that sound accurate?

Yes.  But you need to define a uniqueKey in schema and make sure it  
is the same for docs you want overwritten.  This is how solr detects  
"dups".

>
> If so, I just need to make sure that solrj properly sets that flag,
> which leads me to my next question. Does solrj default allowDups to
> false? If not, what do I need to do to make sure allowDups is set to
> false when I'm adding these docs?

It is the normal mode of operation for Solr, so I'd be surprised if  
it wasn't the default in solrj (but I don't actually know).

-Mike

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