Greetings,
I would like to search for items based on 'calculated' terms.
Specifically, say I am using Lucene to search a collection of tasks, with
fields "start_date" and "end_date", among others.
The question to solve is:
"Find all tasks that took longer than 100 days".
So the easy answer
Greg Shackles wrote:
I'm not sure offhand how to write the code to do it, but I know when you
open an index in Luke, that is one of the numbers it gives you. If you want
to just get the number once that would be an easy way to do it. If you want
the code for it, Luke is open source so you could
I'm not sure offhand how to write the code to do it, but I know when you
open an index in Luke, that is one of the numbers it gives you. If you want
to just get the number once that would be an easy way to do it. If you want
the code for it, Luke is open source so you could see how they do it. (
> I'm not sure if it's a better idea to use something like Solr or start from
> scratch and customize the application as I move forward. What do you think
LuSql might be appropriate for your needs:
"LuSql is a high-performance, simple tool for indexing data held in a
DBMS into a Lucene index. It c
Greg Shackles wrote:
>
>
> Depending on what you need, there might be something already built that
> can
> do what you want. I can't look up links right now but you might want to
> look into Solr and see if that works for what you want. Otherwise, I
> think
> there are code samples and whatn
See the other's comments, but do be aware that there are many
valuable additions to Lucene in the contrib area, but to use them
you need to include the particular jar from contrib that you want
in your CLASSPATH. That is, the contrib contributions do NOT
reside in the lucene jar, they are separate
Ok. Just to followup, I performed the same steps with another of our indexes
and did not have the same issue:
Opening index @ /lucenedata/index4
Segments file=segments_85 numSegments=1 version=FORMAT_HAS_PROX [Lucene 2.4]
1 of 1: name=_42 docCount=3986767
compound=true
hasProx=true
Hi:
Could you try open the index using Luke but using the JDK bundled
with the Oracle DB?
I mean, try to use Luke as an standalone application in the same
machine but outside the OJVM using the JDK at:
$ORACLE_HOME/jdk
which was used to compile most of the classes running inside the OJV
Michael McCandless-2 wrote:
>
> That exception seems to indicate that the fdx file being opened by
> FieldsReader is 0 length (it's trying to read the first int from that
> file).
>
> Is the exception repeatable, if you try again to call
> IndexReader.open?
>
> It's odd that CheckIndex finds
Toke Eskildsen wrote:
>
> A quick check when a corrupt index problem is encountered:
> Does any of your machines run Java 1.6.0_04-1.6.0_10b25?
>
Thanks Toke.
As I mentioned in my response to Erick, this is complicated by the fact that
the error is within a java stored procedure in Oracle. Th
Erick Erickson wrote:
>
> I guess my first question, based on your statement that you ran
> checkindex from a different machine would be whether you have
> the same version of Lucene installed on both machines? And how
> did you get your index where it is now? did you optmize it in place
> or d
Is there a fast way to determine the total number of terms inside an index?
Currently I only found the way to walk through the TermEnumeration, i.e.
TermEnum termEnum4TermCount = reader.terms();
int iTermCount = 0;
while (termEnum4TermCount.next())
iTermCount++;
termEnum4TermCount.close();
Hi there,
On Wed, Jan 7, 2009 at 3:39 PM, ahammad wrote:
>
> Hello,
>
> I have a side project coming up which requires writing a search engine. I
> came across Lucene but I'm having some problems figuring out how to install
> it. I'm trying to get it to work on a Windows box.
>
> On the Lucene we
You don't really "install" it as it is not its own standalone application.
You write the software that interfaces with the Lucene API. The src zip you
mentioned has all the Lucene source, so you can use that if you want to
compile the library yourself. If you want to use the precompiled binary of
Hello,
I have a side project coming up which requires writing a search engine. I
came across Lucene but I'm having some problems figuring out how to install
it. I'm trying to get it to work on a Windows box.
On the Lucene website, there are two files: lucene-2.4.0-src.zip and
lucene-2.4.0.zip (w
That exception seems to indicate that the fdx file being opened by
FieldsReader is 0 length (it's trying to read the first int from that
file).
Is the exception repeatable, if you try again to call
IndexReader.open?
It's odd that CheckIndex finds no problem with the index, but opening
an IndexR
On Wednesday 07 January 2009 07:25:17 John Wang wrote:
> Hi:
>
>The default buffer size (for docid,score etc) is 32 in TermScorer.
>
> We have a large index with some terms to have very dense doc sets. By
> increasing the buffer size we see very dramatic performance improvements.
>
>
On Tue, 2009-01-06 at 23:07 +0100, 1world1love wrote:
> Greetings all. I have an index that I have optimized and when I try to open
> the index I get this:
>
> java.io.IOException: read past EOF
A quick check when a corrupt index problem is encountered:
Does any of your machines run Java 1.6.0_04
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