Re: Boolean Phrase Query question

[Erik Hatcher]

On Apr 3, 2004, at 3:05 PM, Ankur Goel wrote:
"By using true on the finalQuery.add calls, you have said that both
fields must have the word "temp" in them.  Is that what you meant?  Or
did you mean an OR type of query?"
I need an OR type of query. I mean the word can be in the filename or 
in the
contents of the filename. But i am not able to do this. Can you tell 
me how
to do it?
I did tell you how to do it.  Use false for both required and 
prohibited flags when adding queries to a BooleanQuery.  Check the 
javadocs for more details.

Keep in mind (and see recent, and frequent, discussion on this topic) 
that your analyzer choice is very important.  Look at my intro Lucene 
article for code to allow you to view what is happening with the 
analysis process.

	Erik


Regards,
Ankur
-----Original Message-----
From: Erik Hatcher [mailto:[EMAIL PROTECTED]
Sent: Sunday, April 04, 2004 1:27 AM
To: Lucene Users List
Subject: Re: Boolean Phrase Query question
On Apr 3, 2004, at 12:13 PM, Ankur Goel wrote:
Hi,
I have to provide a functionality which provides search on both file
name
and contents of the file.
For indexing I use the following code:

org.apache.lucene.document.Document doc = new org.apache.
lucene.document.Document();
doc.add(Field.Keyword("fileId","" + document.getFileId()));
doc.add(Field.Text("fileName",fileName);
doc.add(Field.Text("contents", new FileReader(new File(fileName)));
I'm not sure what you plan on doing with the fileName field, but you
probably want to use a Keyword field for it.
And you may want to glue the file name and contents together into a
single field to facilitate searches to span both.  (be sure to put a
space in between if you do this)
For searching a text say  "temp" I use the following code to look both
in
file Name and contents of the file:
BooleanQuery finalQuery = new BooleanQuery();
Query titleQuery = QueryParser.parse("temp","fileName",analyzer);
Query mainQuery = QueryParser.parse("temp","contents",analyzer);
finalQuery.add(titleQuery, true, false);
finalQuery.add(mainQuery, true, false);
Hits hits = is.search(finalQuery);
By using true on the finalQuery.add calls, you have said that both
fields must have the word "temp" in them.  Is that what you meant?  Or
did you mean an OR type of query?
	Erik



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