Here are the details:
I ran 2 tests:
1. Index only the first target file (the one where all the queries are in one
long line); Then loop over all queries and search for each using the code block
below.
2. Index only the second target file (the one where all the queries are listed
one per line); Then loop over all queries and search for each using the code
block below.
Query query = parser.parse(qStr);
TopDocs results = searcher.search(query, Integer.MAX_VALUE);
ScoreDoc[] hits = results.scoreDocs;
1st test: all queries found, i.e. the code block below returned a hit for each
query
2nd test: no queries found, i.e. the code block below returned no hits for any
query
So the difference seems to be in the structure of the indexed target files.
Here's the block where a target file gets added to the index:
...
Document doc = new Document();
String oc = ...; // content of entire target file
doc.add(new Field("contents",
oc,
Field.Store.NO,
Field.Index.ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.addDocument(doc);
...
Let me know if more details are needed.
Thanks,
Ilya
-----Original Message-----
From: Uwe Schindler [mailto:[email protected]]
Sent: Friday, July 13, 2012 12:44 PM
To: [email protected]
Subject: RE: can't find queries when they are one per line in target file
What do you mean with "files"? Without a complete description what you are
doing we cannot answer your request.
-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: [email protected]
> -----Original Message-----
> From: Ilya Zavorin [mailto:[email protected]]
> Sent: Friday, July 13, 2012 6:39 PM
> To: [email protected]
> Subject: RE: can't find queries when they are one per line in target
> file
>
>
>
> But why then does it find all the querries in the 1st file? I use
> exactly
the same
> code.
>
> IZ
>
>
> -----Original Message-----
> From: Uwe Schindler [mailto:[email protected]]
> Sent: Friday, July 13, 2012 12:32 PM
> To: [email protected]
> Subject: RE: can't find queries when they are one per line in target
> file
>
> > String qStr = "Query1"; // or "Query2" or ...
> > QueryParser parser = ...;
> > IndexSearcher searcher = ...;
> > Query query = parser.parse(qStr);
> > TopDocs results = searcher.search(query, Integer.MAX_VALUE);
> > ScoreDoc[]
> hits
> > = results.scoreDocs;
> >
> > returned no hits for the 2nd test.
>
> Maybe because it runs out of memory? Passing Integer.MAX_VALUE is
> allocating
> 2 billion result slots...
>
> Uwe
>
>
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