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Subject: Re: solrj howto update documents with expungeDeletes
To: solr-user@lucene.apache.org
References: <90d98486-7a6f-bc8e-32eb-a1e7f7371bde@uni-bielefeld.de>
 <18612_1507116467_v94BRkdp027003_A4C8E8CD-339F-45F1-840C-9C11AE876CB1@sematext.com>
From: Bernd Fehling <bernd.fehling@uni-bielefeld.de>
Message-id: <284fa66e-0909-5b93-4ba2-ad7023684d26@uni-bielefeld.de>
Date: Wed, 04 Oct 2017 14:53:11 +0200
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archived-at: Wed, 04 Oct 2017 12:53:24 -0000

Hi Emir,

can you point out which commit you are using for expungeDeletes true/false?
My commit has only
commit(String collection, boolean waitFlush, boolean waitSearcher, boolean softCommit)

Or is expungeDeletes true/false a special combination of the boolean parameters?

Regards, Bernd


Am 04.10.2017 um 13:27 schrieb Emir Arnautović:
> Hi Bernd,
> When it comes to updating, it does not exist because indexed documents are not updatable - you can add new document with the same id and old one will be flagged as deleted. No need to delete explicitly.
> 
> When it comes to expungeDeletes - that is a flag that can be set when committing.
> 
> HTH,
> Emir
> --
> Monitoring - Log Management - Alerting - Anomaly Detection
> Solr & Elasticsearch Consulting Support Training - http://sematext.com/
> 
> 
> 
>> On 4 Oct 2017, at 10:38, Bernd Fehling <bernd.fehling@uni-bielefeld.de> wrote:
>>
>> A simple question about solrj (Solr 6.4.2),
>>
>> how to update documents with expungeDeletes true/false?
>>
>> In org.apache.solr.client.solrj.SolrClient there are many add,
>> commit, delete, optimize, ... but no "update".
>>
>> What is the best way to "update"?
>> - just "add" the same docid with new content as update?
>> - first "deleteById" and then "add"?
>> - anything else...?
>>
>> And how accomplish "expungeDeletes" true/false ?
>>
>> Thanks, Bernd