You could recieve the group name as an input from the
user and construct a BooleanQuery internally which
will qyery only the group field based on the user
input. So the user need not append the group name with
the search string.
Thanks,
George
--- mahaveer jain <[EMAIL PROTECTED]> wrote:
> If i have rightly understood, you mean to say that
> the query for search has to be
>
> "Group1" AND "Hello" (if hello is what I want to
> search ?)
>
> Cocula Remi <[EMAIL PROTECTED]> wrote:
> A keyword is not tokenized, that's why you wont be
> able to search over a part of it. You'd rather use a
> Text fied.
>
> About creating a special field :
> ....
> IndexWriter Ir = ....
> ....
> File f = ....
> Document doc = new Document();
> if
>
(f.toString.startsWith("C:\tomcat\webapps\Root\Group1")
> {
> doc.add(Field.Text("group", "Group1"));
> }
> if
>
(f.toString.startsWith("C:\tomcat\webapps\Root\Group2")
> {
> doc.add(Field.Text("group", "Group2"));
> }
> doc.add(Field.Text("content", getContent(f)));
> Ir.addDocument(doc);
>
> ....
>
> Then you can search in group1 with query like that :
>
>
> group:Group1 AND rest_of_the_query.
>
>
>
> -----Message d'origine-----
> De : mahaveer jain [mailto:[EMAIL PROTECTED]
> Envoy� : mardi 14 septembre 2004 18:03
> � : Lucene Users List
> Objet : RE: Help for text based indexing
>
>
> Well in my case the path is KeyWord. I had tried
> that earlier and it does not seems to work in a
> single index file.
>
> Can you explain a bit more about adding group1 and
> group2 ?
>
> Cocula Remi wrote:
> Well you could add a field to each of your Documents
> whose value would be either "group1" or "group2".
> Or you could use the path to your files ...
>
>
>
> -----Message d'origine-----
> De : mahaveer jain [mailto:[EMAIL PROTECTED]
> Envoy� : mardi 14 septembre 2004 17:49
> � : [EMAIL PROTECTED]
> Objet : RE: Help for text based indexing
>
>
> I am clear with looping recursively to index all the
> file under Root folder.
> But the problem is if I want to search only in
> group1 or group2.Is that possible to search only in
> one of the group folder ?
>
> Cocula Remi wrote:
> You just have to loop recurssively over the
> C:\tomcat\webapps\Root tree to create your index.
> Yes you can index databases; you will just have to
> write a mechanism that is able to create
> org.apache.lucene.document.Document from database.
> For instance :
> - connect JDBC
> - run a query for obtaining a ResultSet
> - loop for each row of that ResultSet :
> Create a new org.apache.lucene.document.Document
> from ResultSet data
> and add this document to the Index.
> end loop.
>
> For incremental indexing, I suppose you have to
> store some timestamp field in your index; but it's
> up to you.
> Note that Lucene is very fast and I don't think that
> incremetal indexing is required for small or medium
> amout of data.
>
>
>
> -----Message d'origine-----
> De : mahaveer jain [mailto:[EMAIL PROTECTED]
> Envoy� : mardi 14 septembre 2004 17:22
> � : [EMAIL PROTECTED]
> Objet : Help for text based indexing
>
>
>
> Hi
>
> I have implemented Text based search using lucene. I
> was wonderful playing around with it.
>
> Now I want to enchance the application.
>
> I have a Root folder, under that I have many other
> folder, that are group specific, say (group1,
> group2, .. so on). The Root folder is in
> C:\tomcat\webapps\Root and group folder within that.
>
> Now I am index for these groups separately, ie , I
> have index as C:/index/group1, C:/index/group2,
> C:/index/group3 and so on
>
> I want to know if I can have only one index for all
> these say C:/index/Root (this has index for all the
> folder) and I should be able to Search using
> C:\tomcat\webapps\Root\group1(if want to search for
> group1) similarly for the other groups.
>
> Let me know if this is possible and have anybody
> tried this.
>
> 2nd question
>
> Is lucene good to index databases ? How do we
> support incremental indexing ?
>
> (Right now I am using LIKE for searching )
>
> Thanks in Advance
>
> Mahaveer
>
>
>
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