DO NOT REPLY [Bug 35284] New: - CoordConstrainedBooleanQuery + QueryParser support

2005-06-09 Thread bugzilla
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http://issues.apache.org/bugzilla/show_bug.cgi?id=35284

   Summary: CoordConstrainedBooleanQuery + QueryParser support
   Product: Lucene
   Version: unspecified
  Platform: Other
OS/Version: other
Status: NEW
  Severity: enhancement
  Priority: P3
 Component: Search
AssignedTo: lucene-dev@jakarta.apache.org
ReportedBy: [EMAIL PROTECTED]


Attached 2 new classes:

1) CoordConstrainedBooleanQuery
A boolean query that only matches if a specified number of the contained clauses
match. An example use might be a query that returns a list of books where ANY 2
people from a list of people were co-authors, eg:
Lucene In Action would match (Erik Hatcher Otis Gospodneti#263; Mark 
Harwood
Doug Cutting) with a minRequiredOverlap of 2 because Otis and Erik wrote that.
The book Java Development with Ant would not match because only 1 element in
the list (Erik) was selected.

2) CustomQueryParserExample
A customised QueryParser that allows definition of
CoordConstrainedBooleanQueries. The solution (mis)uses fieldnames to pass
parameters to the custom query.

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DO NOT REPLY [Bug 35284] - CoordConstrainedBooleanQuery + QueryParser support

2005-06-09 Thread bugzilla
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--- Additional Comments From [EMAIL PROTECTED]  2005-06-09 13:05 ---
Created an attachment (id=15347)
 -- (http://issues.apache.org/bugzilla/attachment.cgi?id=15347action=view)
CustomQueryParserExample class


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DO NOT REPLY [Bug 35284] - CoordConstrainedBooleanQuery + QueryParser support

2005-06-09 Thread bugzilla
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG·
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http://issues.apache.org/bugzilla/show_bug.cgi?id=35284.
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http://issues.apache.org/bugzilla/show_bug.cgi?id=35284





--- Additional Comments From [EMAIL PROTECTED]  2005-06-09 13:53 ---
Damn. This coord trick works nicely on its own, eg
  authors:(min_coord:2 Erik Otis Doug)

but doesnt work when combined with other queries like this:

  title:lucene in action AND authors:(min_coord:3 Erik Otis Doug)

A result is returned even thought the coord restriction of 3 is NOT satisfied
(Doug was not an author). Needs some more investigation.


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Re: Exception in full text search

2005-06-09 Thread Bernhard Messer

hi,

luke is an OpenSource utility which allows you to analyze and modify 
lucene's index internals. It can be downloaded from 
http://www.getopt.org/luke/


Bernhard


avrootshell wrote:


Hello,

   I'm able to create index file for full text search.And i'm sure it 
has the required entries as i have traced the traversal path through 
the tables i have specified. And also documents are added to the index 
file.


But when i specify some string to search,it throws an exception like 
this.



.E
Time: 0.234
There was 1 error:
1) 
testSrch(com.board.fts.FtsSearchCmdTest)java.lang.NullPointerException: 
null values not allowed
at 
org.apache.commons.collections.map.ReferenceMap.put(ReferenceMap.java:571) 


at com.sandra.servicer.txtsrch.SrchMan.search(SrchMan.java:108)
at com.board.fts.FtsSearchCmd.execute(FtsSearchCmd.java)
at com.board.fts.FtsSearchCmdTest.testSrch(FtsSearchCmdTest.java)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at com.board.fts.FtsSearchCmdTest.main(FtsSearchCmdTest.java)

FAILURES!!!
Tests run: 1,  Failures: 0,  Errors: 1


Is there any way to view the contents of index file which has been 
created?
If anyone comes up with some suggesions for this kind of error,I 
appreciate.


TIA,


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Re: IndexFileNames

2005-06-09 Thread Doug Cutting

Bernhard Messer wrote:
I finished the changes and commited the changes. There are two new 
classes in package org.apache.lucene.index. 
org.apache.lucene.index.IndexFileNames contains common lucene related 
filenames and extensions, the scope of the class itself and it's members 
are package. org.apache.lucene.index.IndexFileFilter is public and used 
in FSDirectory to decide whether a file belongs to an lucene index and 
can be deleted.


This looks great!

Thanks,

Doug

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