Hi Otis, well if i have to such a query I need a "dummy" value. To point that out a bit more in detail... A xml document has "n" mandatory elements described by a schema or dtd. Some of the could have empty values. Would it make any difference to the index / searching if I just index an empty string?! Well I guess not, to index an empty string feels good for me to have all fields in every document. This tiny little disc space does not matter I guess.
Is that true so far?! regards Simon On 7/31/06, Otis Gospodnetic <[EMAIL PROTECTED]> wrote:
Hi Simon, If you want to be able to run a "give me all documents that have an empty field F", then you'll actually have to stuff a "dummy" value when no real value for field F is present. If you have an index schema, perhaps that's a good place to add a 'defaultValue'-type attribute with that dummy value. Perhaps Solr already has something like this, I'm not sure. Otis ----- Original Message ---- From: Simon Willnauer <[EMAIL PROTECTED]> To: java-user@lucene.apache.org Sent: Monday, July 31, 2006 8:22:57 AM Subject: Index empty fields Hello, I do have a question about fields with empty content should be added to the document / index or not. I do have a index schema, which defines all field a document can have. if one of the real documents has no content for a certain field. should that field be added to the index or not. Would it make any difference at all? regards Simon --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
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