Yep, this, too, is how we support dynamic fields at the Center. The
field name is dynamic, but the semantics are fixed.
On Oct 10, 2006, at 9:42 AM, Yonik Seeley wrote:
On 10/10/06, David Balmain <[EMAIL PROTECTED]> wrote:
On 10/10/06, Grant Ingersoll <[EMAIL PROTECTED]> wrote:
> I would be interested in another survey, this time about how many
> people use a fixed set of Fields in their applications. The large
> majority of mine do. I know SOLR supports dynamic fields, but I
> wonder how much they are used. If there truly is a benefit to it,
> then perhaps we can have an implementation that can utilize them.
I'd be interested to see that too. I'm not sure how you would define
dynamic fields though. In Ferret fields have fixed properties once
they are added to an index. If create a stored field then you can't
decide not to store it at a later date. But you can add new fields to
the index whenever you like. Anyway, I just wanted to clarify that.
That's the type of dynamic fields that Solr supports.
Solr needs to know the "type" of any given field. To avoid having to
define all fields ahead of time, one can define a mapping between
field-name patters like *_i to a type, so any field that ends with _i
not already in the schema will use the mapped type.
-Yonik
http://incubator.apache.org/solr Solr, the open-source Lucene
search server
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Grant Ingersoll
Sr. Software Engineer
Center for Natural Language Processing
Syracuse University
335 Hinds Hall
Syracuse, NY 13244
http://www.cnlp.org
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