Is the question whether or not you can run solr in two different servlet
containers and index into the same data set?
While we're on the topic, can you search with one and index with the other?
Or do snapshots have to be in the middle?
Lance
-Original Message-
From: LP [mailto:[EMAIL
When I delete a record that does not exist, via delete-by-id, the status
returned is 0. Shouldn't the operation fail?
In fact, does any operation actually fail?
Cheers,
Lance
I'm adding a field to be the source of the spellcheck database. Since that
is its only job, it has raw text lower-cased, de-Latin1'd, and
de-duplicated.
Since it is only for the spellcheck DB, it does not need to keep duplicates.
I specified it as 'multiValued=false and used copyField from a
Jython is a Python interpreter implemented in Java. (I have a lot of Python
code.)
Total throughput in the servlet is very sensitive to the total number of
servlet sockets available v.s. the number of CPUs.
The different analysers have very different performance.
You might leave some data in
,
Lance
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yonik Seeley
Sent: Thursday, August 09, 2007 5:28 PM
To: solr-user@lucene.apache.org
Subject: Re: Multivalued fields and the 'copyField' operator
On 8/9/07, Lance Norskog [EMAIL PROTECTED] wrote:
I'm
The Protégé project at Stanford has nice tools for editing knowledge bases,
taxonomies, etc.
http://protege.stanford.edu/
-Original Message-
From: Jonathan Woods [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 09, 2007 10:45 PM
To: solr-user@lucene.apache.org
Subject: RE: Best use of
You need this book:
-Original Message-
From: David Whalen [mailto:[EMAIL PROTECTED]
Sent: Monday, August 13, 2007 1:00 PM
To: solr-user@lucene.apache.org
Subject: RE: Problem with stemming
Yonik:
I only raised the question to the group after I had looked in the
schema.xml. There are
(Oops, try again.)
You need this book:
http://www.amazon.com/Lucene-Action-Erik-Hatcher/dp/1932394281/ref=pd_bbs_sr
_1/103-4871137-7111056?ie=UTF8s=booksqid=1187037246sr=8-1
Lucene in Action by Eric Hatcher and Otis Gospodnetic. It does not cover
Solr really, but you will understand what
Is indexing via solrj faster than going through the web service? There are
three cases:
Read a file from a local file system and indexing it directly,
Read a file on one machine and indexing it on another, and
Run solrj and read a file, then directly update the index.
I'm talking
Is anyone doing Solr installations with a SAN file system? Like IBM Storage
Tank or Apple XSAN or Red Hat GFS? What are your experiences?
Thanks,
Lance
Does anyone know what the patent situation is with Lucene and Solr? What
patents affect it, what you can and cannot do with it?
Thanks,
Lance
Hi-
We recrawl the same places and update blindly without checking if a document
is already in the index. We have a use case where we would like to delete
documents (porn) and have them stay deleted. To implement this use case now,
we would need to check the existence of the document and check
Hello-
The Lucene interface is cool, but not many people put their indexes on
machines with Swing access.
I just did a Solr integration by copying the eTools.ch implementation. This
took several edits. As long as we're making requests, please do a
general-pupose implementation by cloning the
While we're on the topic, there appear to be a ton of new features in 1.3,
and they are getting debugged. When do you plan to do an official 1.3
release?
-Original Message-
From: Yu-Hui Jin [mailto:[EMAIL PROTECTED]
Sent: Friday, August 17, 2007 11:53 PM
To: solr-user@lucene.apache.org
PROTECTED]
Sent: Monday, August 20, 2007 12:03 PM
To: solr-user@lucene.apache.org
Subject: Re: solr + carrot2
On 20-Aug-07, at 11:24 AM, Lance Norskog wrote:
Exactly! The Lucene version requires direct access to the file. Our
indexes are on servers which do not have graphics (VNC) configured
How long should a commit take? I've got about 9.8G of data for 9M of
records. (Yes, I'm indexing too much data.) My commits are taking 20-30
seconds. Since other people set the autocommit to 1 second, I'm guessing we
have a major mistake somewhere in our configurations.
We have a lot of
It might be worthwhile to have a hibernate mode for solr, where suspend
waits until all requests are finished, then closes all files and rejects all
new requests. Later a wakeup command would bring it back online. During
this time, a remotely controlled job could remove the data directory. This
Recently someone mentioned that it would be possible to have a 'replace
existing document' feature rather than just dropping and adding documents
with the same unique id. We have a few use cases in this area and I'm
researching whether it is effective to check for a document via Solr
queries, or
Are the score values generated in Solr relative to the index or are they
against an absolute standard?
Is it possible to create a scoring algorithm with this property? Are there
parts of the score inputs that are absolute?
My use case is this: I would like to do a parallel search against two
Are these separate Lucene index files which can be updated and optimized
individually?
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom
Hill
Sent: Thursday, August 23, 2007 2:23 PM
To: solr-user@lucene.apache.org
Subject: Re: How to realize index
:
http://demo.carrot2.org/head/webstart/
Please let us know if the new UI works for you.
Thanks,
Staszek
On 20/08/07, Lance Norskog [EMAIL PROTECTED] wrote:
Exactly! The Lucene version requires direct access to the file. Our
indexes are on servers which do not have graphics (VNC) configured
Is there an app that walks a Lucene index and checks for corruption?
How would we know if our index had become corrupted?
Thanks,
Lance
This goes through the Solr http response, right? The Solr XSL processor
feature will do this for you.
You write an XSL script and add it to $SOLR/conf/xslt. You then use extra
parameters in a query. The output XML will be transformed by the XSL.
The XSL can create anything you want: lists of
Hi-
Here are the lines to add to the end of Tomcat's conf/logging.properties
file to get rid of query/update logging noise:
org.apache.solr.core.SolrCore.level = WARNING
org.apache.solr.handler.XmlUpdateRequestHandler.level = WARNING
org.apache.solr.search.SolrIndexSearcher.level = WARNING
I
Now I'm curious: what is the use case for documents this large?
Thanks,
Lance Norskog
I researched this problem before. The problem I found is that Python strings
are not Unicode by default. You have to do something to make them Unicode.
Here are the links I found:
http://www.reportlab.com/i18n/python_unicode_tutorial.html
http://evanjones.ca/python-utf8.html
is that you can't say, give
me fields a*_t but not b*_t in a query. I haven't found others in the mail
archives or the wiki.
Thanks,
Lance Norskog
Hi folks-
The Lucene Spellchecker unit test expects a Java class
org.apache.lucene.util.English. I can't find it in the source trees on
svn.apache.org. Can someone please mail it to me?
Thanks,
Lance Norskog
fields where the index-time boost should be
stored.
This NOTE appears to be block-copied from the following entry about
field-level boosts, and makes no sense here.
Lance Norskog
Hi-
It appears that DirectUpdateHandler2.java does not actually implement the
parameters that control whether to override existing documents. Should I use
DirectUpdateHandler instead? Apparently DUH is slower than DUH2, but DUH
implements these parameters. (We do so many overwrites that
dups - DirectUpdateHandler2.java does
not implement?
On 9/7/07, Lance Norskog [EMAIL PROTECTED] wrote:
It appears that DirectUpdateHandler2.java does not actually implement
the parameters that control whether to override existing documents.
It's been proposed that most of these be deprecated
Norskog
-Original Message-
From: Mike Klaas [mailto:[EMAIL PROTECTED]
Sent: Friday, September 07, 2007 2:47 PM
To: solr-user@lucene.apache.org
Subject: Re: adding without overriding dups - DirectUpdateHandler2.java does
not implement?
On 7-Sep-07, at 1:35 PM, Lance Norskog wrote:
Hi
You can try the public/private key certficate system. You deploy it to
jetty/tomcat somehow, and curl has options to send it.
We haven't tried this. The authentication happens at the http container
level, not in the solr config.
-Original Message-
From: Bill Au [mailto:[EMAIL PROTECTED]
Question: if it is a filter query, it will be cached in the filter query
cache?
Follow-on questions if this is true:
Is this the full results of the filter query?
What exactly is cached?
Thanks,
Lance Norskog
-Original Message-
From: Erik Hatcher [mailto:[EMAIL PROTECTED]
Sent
Hi-
In early June Mike Klass posted a formula for the number of file descriptors
needed by Solr:
For each segment, 7 + num indexed fields per segment.
There should be log_{base mergefactor}(numDocs) * mergeFactor
segments, approximately.
Is this still true?
Thanks,
Lance
searching with accents
On Thu, 2007-09-20 at 11:13 -0700, Lance Norskog wrote:
English and French are messy, so heuristic methods are the only possible.
Spanish is rigorously clean, and stemming should be done from the
declension rules and irregular conjugation tables. This involves large
(fast
It is a best practice to store the master copy of this data in a
relational database and use Solr/Lucene as a high-speed cache.
MySQL has a geographical database option, so maybe that is a better option
than Lucene indexing.
Lance
(P.s. please start new threads for new topics.)
-Original
My limited experience with larger indexes is:
1) the logistics of copying around and backing up this much data, and
2) indexing is disk-bound. We're on SAS disks and it makes no difference
between one indexing thread and a dozen (we have small records).
Smaller returns are faster. You need to
Other people custom-create a separate dynamic field for each language they
want to support. The spellchecker in Solr 1.2 wants just one field to use
as its word source, so this fits.
We have a more complex version of this problem: we have content with both
English and other languages. Searching
Some servlet containers don't do UTF-8 out of the box. There is information
about this on the wiki.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yonik Seeley
Sent: Monday, October 01, 2007 9:45 AM
To: solr-user@lucene.apache.org
Subject: Re: Searching
of these problems fixed in the Solr 1.3 trunk? Should I just grab
whatever's there and use them with 1.2?
Thanks,
Lance Norskog
Python does not do Unicode strings natively, you have to do them explicitly.
It is possible that your python receiver is not doing the right thing with
the incoming strings. Also, Jetty has problems with UTF-8; the Wiki has
more on this.
Lance
-Original Message-
From: Maximilian Hütter
nicely.
Cheers,
Lance Norskog
-Original Message-
From: Britske [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 04, 2007 1:38 PM
To: solr-user@lucene.apache.org
Subject: Re: how to make sure a particular query is ALWAYS cached
hossman wrote:
: I want a couple of costly queries
If a field is required, and always has data, this query will enumerate all
documents:
field:[* TO *]
-Original Message-
From: Guangwei Yuan [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 04, 2007 3:26 PM
To: solr-user@lucene.apache.org
Subject: Handling empty query
Hi,
Does Solr
A gotcha here is that copyField creates multiple values. Each field copied
in becomes a separate field. If you wanted a single-valued field this will
not work.
Lance Norskog
-Original Message-
From: Keene, David [mailto:[EMAIL PROTECTED]
Sent: Friday, October 05, 2007 10:50 AM
To: solr
Great!
One comment: if I type a word that happens to be real, it may not be what I
actually want. A spell checker should still recommend similar words.
Computer programmers are all perfect spellers, and this can blind us to what
matters to ordinary people :)
Lance Norskog
-Original
seeing the actual queries that are slow, it's difficult to
determine
what the problem is. Have you tried using EXPLAIN (
http://dev.mysql.com/doc/refman/5.0/en/explain.html) to check if your
query
is using the table indexes effectively?
Pieter
On 10/10/2007, Lance Norskog [EMAIL PROTECTED
The sample schema in Solr 1.2 supplies two variants of integers, longs,
floats, doubles. One variant is sortable and one is not.
What is the point of having both? Why would I choose the non-sorting
variants? Do they store fewer bytes per record?
Thanks,
Lance Norskog
types is that with
defauting, you exactly duplicate the information without relying on your
feeding software. With 'date' field formula syntax, this is the only way to
have duplicate fields for different purposes.
Thanks for your time,
Lance Norskog
Would somone please consider marking a label on the Subversion repository
that says, This is a clean version? I only do HTTP requests and have no
custom software, so I don't care about internal interfaces changing.
Thanks,
Lance Norskog
-Original Message-
From: Mike Klaas [mailto
://issues.apache.org/jira/browse/SOLR-464
Thanks for your time,
Lance Norskog
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yonik Seeley
Sent: Thursday, January 17, 2008 2:53 PM
To: solr-user@lucene.apache.org
Subject: Re: copyField limitation
On Jan 17, 2008 4:53 PM
A more interesting use case:
Analyzing text and finding a number, like the mean word length or the mean
number of repeated words. These are standard tools for spam detection. To
create these, we would want to shovel text into a text processing chain that
creates an integer. We then want to both
We use two indexed copies of the same text, one with stemming and stopwords
and the other with neither. We do phrase search on the second.
You might use two different OCR implementations and cross-correlate the
output.
Lance
-Original Message-
From: Phillip Farber [mailto:[EMAIL
Is it possible to log incoming requests? I'd love to have the incoming IP
and request string.
What is the exact set of class names for this?
Thanks,
Lance Norskog
We use Solr 1.2. I copied the 1.2 spellchecker and made an equivalent phrase
pair index generator. Using this we can take an example spelling and find
example words pairs for each suggestion. We have not deployed this.
Lance Norskog
-Original Message-
From: Mike Klaas [mailto:[EMAIL
You can use the copyField directive to copy all 'sentence_*' fields into
one indexed field. You then have a named field that you can search against.
Lance Norskog
-Original Message-
From: Renaud Delbru [mailto:[EMAIL PROTECTED]
Sent: Friday, February 01, 2008 6:48 PM
To: solr-user
Here are the comments for CJKTokenizer. First, is this what you want?
Remember, there are three Japanese writing systems.
/**
* CJKTokenizer was modified from StopTokenizer which does a decent job for
* most European languages. It performs other token methods for double-byte
* Characters: the
Some people loathe UTF-8 and do all of their text in XML entities. This
might work better for your punctuation needs. But it still won't help you
with Prince :)
-Original Message-
From: Walter Underwood [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 07, 2008 9:25 AM
To:
amount of time?
Thanks,
Lance Norskog
Solr 1.2 has a bug where if you say commit after N documents it does not.
But it does honor the commit after N milliseconds directive.
This is fixed in Solr 1.3.
-Original Message-
From: Sundar Sankaranarayanan [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 07, 2008 3:30 PM
To:
on performance/search/indexing.
-Grant
On Feb 7, 2008, at 11:15 PM, Lance Norskog wrote:
(Sorry, my Lucene java-user access is wonky.)
I would like to verify that my snapshots are not corrupt before I
enable them.
What is the simplest program to verify that a Lucene index
Is it not possible to make a grid of your boxes? It seems like this would be
a more efficient query:
grid:N100_S50_E250_W412
This is how GIS systems work, right?
Lance
-Original Message-
From: Ryan McKinley [mailto:[EMAIL PROTECTED]
Sent: Monday, February 11, 2008 6:13 PM
To:
1) autowarming: it means that if you have a cached query or similar, and do
a commit, it then reloads each cached query. This is in solrconfig.xml
2) sorting is a pig. A sort creates an array of N integers where N is the
size of the index, not the query. If the sorted field is anything but an
What will this improve?
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yonik Seeley
Sent: Tuesday, February 12, 2008 6:48 AM
To: solr-user@lucene.apache.org
Subject: Re: upgrading to lucene 2.3
On Feb 12, 2008 9:25 AM, Robert Young [EMAIL PROTECTED]
I strongly recommend that you switch from the latest nightly build to the
Solr 1.2 release.
Lance
-Original Message-
From: Thorsten Scherler [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 13, 2008 4:03 AM
To: solr-user@lucene.apache.org
Subject: Re: solr to work for my web
3)
But then would not 'certificate anystopword found' match your phrase? I
wound up making a separate index without stopwords just so that my phrase
lookups would work. (I do not have the luxury of re-indexing, so now I'm
stuck with this design even if there is a better one.)
I also made one
You may also use Unicode escapes: \u for example.
-Original Message-
From: Reece [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 19, 2008 10:04 AM
To: solr-user@lucene.apache.org
Subject: Re: escaping special chars in query
The bottom of the Lucene query syntax page:
An alternative would be for someone to give a subversion checkout number
against 1.3-dev which represents a solid working checkout.
There are a lot of people using 1.3-dev in production, could you all please
tell us what checkout number you are using?
Cheers,
Lance
-Original Message-
The fastest solr query I can find is any query on unused dynamic field name:
unused_dynamic_field_s:3
Is there another query style that should be faster?
See this line in http://wiki.apache.org/solr/SolrConfigXml
pingQueryq=solramp;version=2.0amp;start=0amp;rows=0/pingQuery
A better ping
I just switched to doing posts for queries. We have a bunch of filters etc.
and Solr stopped working on tomcat.
-Original Message-
From: Benson Margulies [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 06, 2008 12:43 PM
To: solr-user
Subject: Use of get instead of post may be causing
)
at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:
159)
Cheers,
Lance Norskog
... another magic field name like score ...
This could be done with a separate magic punctuation like $score, $mean
(the mean score), etc.so $docid would work.
Cheers,
Lance
-Original Message-
From: Chris Hostetter [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 18, 2008 9:01 PM
To:
with duration 3
above the others?
These do not work (at least for me):
*:* OR duration:3^2.0
duration:[* TO *] duration:3^2.0
duration:3^2.0 OR -duration:3
Thanks,
Lance Norskog
at 3:13 PM, Lance Norskog [EMAIL PROTECTED] wrote:
Suppose I have a schema with an integer field called 'duration'. I
want to find all records, but if the duration is 3 I want those
records to be boosted.
The index has 10 records, with duration between 2 and 4. What is the
query
.
We solved this problem by making a separate indexed field with a simplified
text type: no stopwords. Phrase searches go against the 'rawfield' and word
searches go against it first. You may want to also filter out punctuation or
Sound Of Music will not bring up Sound Of Music!
Cheers,
Lance
In fact, 55m records works fine in Solr; assuming they are small records.
The problem is that the index files wind up in the tens of gigabytes. The
logistics of doing backups, snapping to query servers, etc. is what makes
this index unwieldy, and why multiple shards are useful.
Lance
Lucas-
Your examples are Portuguese and Spanish. You might find a Spanish-language
stemmer that follows the very rigid conjugation in Spanish (and I'm assuming
in Portuguese as well). Spanish follows conjugation rules that embed much
more semantics than English, so a huge number of synonyms can
What do facet queries do that is different from the regular query? What is
a use case where I would use a facet.query in addition to the regular query?
Thanks,
Lance Norskog
From the wiki:
http://wiki.apache.org/solr/SimpleFacetParameters#head-529bb9b985632b36cbd46
a37bde9753772e47cdd
Hi-
When I reply to a solr-user mail, the To: address is the sender instead of
solr-user. Didn't it used to be solr-user?
Lance
http://lucene-qe.sourceforge.net/
This is a much smarter technique for doing query expansion with synonyms,
using Rocchio's Algorithm. Has anyone tried to shoehorn this into Solr?
It's a little weird: it needs an analyser, a searcher, and a similarity
function. It should be possible to refactor
This what the spellchecker does. It makes a separate Lucene index of n-gram
letters and searches those. Works pretty well and it is outside the main
index. I did an experimental variation indexing word pairs as phrases, and
it worked well too.
Lance Norskog
-Original Message-
From: Ryan
The MultiCore writeup on the Wiki (http://wiki.apache.org/solr/MultiCore)
says:
...
Configuration-core-dataDir
The data directory for a given core. (optional)
How can a core not have its own dataDir? What happens if this is not set?
Cheers,
Lance Norskog
Is Distributed Search () in the main line yet? Is it considered useable?
And, how closely does it match the Wiki entry?
https://issues.apache.org/jira/browse/SOLR-303
https://issues.apache.org/jira/browse/SOLR-303
http://wiki.apache.org/solr/DistributedSearch
One cause of out-of-memory is multiple simultaneous requests. If you limit
the query stream to one or two simultaneous requests, you might fix this.
No, Solr does not have an option for this. The servlet containers have
controls for this that you have to dig very deep to find.
Lance Norskog
There are two integer types, 'sint' and 'integer'. On an integer, you cannot
do a range check (that makes sense).
But! Lucene sort makes an array of integers for every record. On an integer
field, it creates an integer array. On any other kind of field, each array
item has a lot more.
So, if you
To search against multiple Solrs, you can use
http://wiki.apache.org/solr/DistributedSearch in Solr 1.3. This is not tied
to the MultiCore feature.
-Original Message-
From: Shalin Shekhar Mangar [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 06, 2008 9:28 PM
To:
page 'SchemaDesignTips'.
Cheers,
Lance Norskog
The HTMLStripReader tool worked very well for us. It handles garbled HTML
well. The only hole we found was that it does not find alt-text attributes
for images.
Also, note that this code is written as a Java Reader class rather than a
Solr class. This makes it useful for other projects. Given the
Nice!
Another technique for the denial-of-service problem: you can regulate the
number of simultaneous active servlets. Most servlet containers have a
configuration for this somewhere. This will slow down legit users but will
still avoid killing the server machine.
-Original Message-
You might try creating your whole transform as an SQL database view rather
than with the Solr transformer toolkit.
This would also make it easier to directly examine the data to be indexed.
Lance
-Original Message-
From: Julio Castillo [mailto:[EMAIL PROTECTED]
Sent: Thursday, May 29,
This appears in the stats.jsp page. Both the total of document 'slots' and
the number of live documents.
-Original Message-
From: Marcus Herou [mailto:[EMAIL PROTECTED]
Sent: Saturday, June 07, 2008 2:09 AM
To: solr-user@lucene.apache.org
Subject: Num docs
Hi.
Is there a way of
This started out in the num-docs thread, but deserves its own. And a wiki
page.
There is a more complex and general way to get the number of documents in
the index. I run a query against solr and postprocess the output with an XSL
script.
Install this xsl script as home/conf/xslt/numfound.xsl.
ISOLatin1AccentFilterFactory works quite well for us. It solves our basic
euro-text keyboard searching problem, where protege should find protégé.
(protege with two accents.)
-Original Message-
From: Chris Hostetter [mailto:[EMAIL PROTECTED]
Sent: Tuesday, June 24, 2008 4:05 PM
To:
Should this refer to facet.mincount instead of facet.limit?
The default is true if facet.limit is greater than 0, false otherwise.
http://wiki.apache.org/solr/SimpleFacetParameters
facet.sort
Set to true, this parameter indicates that constraints should be sorted by
their count. If false,
A sneaky source of OutOfMemory errors is the permanent generation. If you
add this:
-XX:PermSize=64m -XX:MaxPermSize=96m
You will increase the size of the permanent generation. We found this
helped.
Also note that when you undeploy a war file, the old deployment has
permanent storage
I wrote shell tasks that start, stop, and heartbeat the server and run them
from cron (unix). Heartbeat means: 1) is the tomcat even running, 2) does
tomcat return the Solr admin page, 3) does Solr return a search. For an
indexer, 4) does solr return from a commit. Stopping the server via the
Various Java web service libraries come with 'wsdl2java' and 'java2wsdl'
programs. You just run 'java2wsdl' on the Java soap description.
-Original Message-
From: Ryan McKinley [mailto:[EMAIL PROTECTED]
Sent: Monday, August 18, 2008 6:53 PM
To: solr-user@lucene.apache.org
Subject: Re:
We found that searching by itself was faster with the Distributed multicore
search over three cores in the same servlet engine, than one just one core.
Faceting and sorting use more memory than simple searches, and we could not
do faceting on our one simple index. We needed this for data
And, a negative query does not work, so if this is the only clause, you have
to say:
*:* AND -field[* TO *]
Where *:* is a special code for all documents.
It's like learning a language: there is the normal grammar, there are the
unusual cases, and then there are the bizarre slang expressions.
Has this been fixed in solr 1.3?
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yonik Seeley
Sent: Monday, August 25, 2008 5:44 AM
To: solr-user@lucene.apache.org
Subject: Re: How to know if a field is null?
On Mon, Aug 25, 2008 at 5:33 AM, Erik Hatcher
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