I am a student and studying the functionality of Lucene for my project work.
If I have to add a new user-generated document in lucene with a term having
a particular frequency just like any text file, how do I do it?
For eg, say I have to add the following documents analyzed from an image
doc1 =
Just pass IndexWriterConfig.OpenMode.CREATE when you open the index on
the same location ... this will make IndexWriter remove the existing
index.
Mike McCandless
http://blog.mikemccandless.com
On Thu, Apr 18, 2013 at 3:33 PM, Sandeep Jangra wrote:
> Hi,
>
> I am using lucene in my project bu
Hi,
I am using lucene in my project built in java.
I am writing the index to a file using FSDirectory.open("c:\\temp").
Every hour boundary I need to re-index the complete system.
But if I use the same directory "c:\\temp" for re-indexing, the directory
size will grow eventually because o
On Thu, Apr 18, 2013 at 12:32 AM, Hien Luu wrote:
> It is difficult to associate a class named SnapshotDeletionPolicy with taking
> backup of Lucene index.
Naming is the hardest part :)
It's a snapshot in the same sense as the ZFS file system, or a Network
Appliance file server.
What's hard he
On Wed, Apr 17, 2013 at 8:10 AM, Ashish Sarna wrote:
> The external backup utility would be used by some other person and it would
> simply copy the index directory to take its backup. I have no control over
> this utility.
OK.
> I have ensured that nothing would be written to index before the b
I am a student and studying the functionality of Lucene for my project work.
The DocDelta example on this link is not clear
http://lucene.apache.org/core/4_2_0/core/org/apache/lucene/codecs/lucene40/Lucene40PostingsFormat.html?is-external=true
,
Please explain the first part how we are getting 15,
I am writing this code as part of my CustomAnalyzer:
public class CustomAnalyzer extends Analyzer {
SynonymMap mySynonymMap = null;
CustomAnalyzer() throws IOException {
SynonymMap.Builder builder = new SynonymMap.Builder(true);
FileReader fr = new
FileReader("/h
Thanks Uwe for clarification !
On Thu, Apr 18, 2013 at 4:37 PM, Uwe Schindler wrote:
> Lucene 2.9+ has a different Wildcard Expansion using BooleanQuery only for
> few terms, otherwise it uses a filter-based approach. Same applies for
> range queries and prefix queries.
>
> -
> Uwe Schindle
Lucene 2.9+ has a different Wildcard Expansion using BooleanQuery only for few
terms, otherwise it uses a filter-based approach. Same applies for range
queries and prefix queries.
-
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de
> -Ori
Hi Guys,
I am using following queries:
1>WildCardQuery
2>BooleanQuery having a WildCardQuery and TermQuery.
WildCardQuery is field:* or say field:ab*
>From Lucene FAQs and earlier discussions about TooManyClausesException i
see that WildCardQuery gets expanded before doing search.
For that i was
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