Melanie Langlois wrote:
Hi,
I'm wondering if lucene would understand such a query:
content*:mysearch
It's just because I index several translations of my document
contents in addition with common fields, and this separation is
really usefull when an user specify the language in which he wants to
search, but I want to be able to search among all languages if no
option is specified. I could programmatically transform my content*
into several sub queries content-en:mysearch content-fr:mysearch ...
but I'm concerned about the number of conditions it will generate. So
that would be cool if lucene automatically look into all concerned
fields.
You could probably subclass QueryParser to do something like this.
The naive way would be to have the subclass build a BooleanQuery as you
mentioned already. A less naive way would be to create a
MultiFieldTermQuery which extends from MultiTermQuery, and does the
enumeration over the fields which match the prefix. You'd probably need
to do the same for phrases though which would be more difficult. :-)
Daniel
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Daniel Noll
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