On Thursday 26 July 2007 03:12:20 daniel rosher wrote:
> In this case you should look at the source for RangeFilter.java.
>
> Using this you could create your own filter using TermEnum and TermDocs
> to find all documents that had some value for the field.
That's certainly the way to do it for speed.
For the least code you can probably do...
BooleanFilter f = new BooleanFilter();
f.add(new FilterClause(RangeFilter.More("field", ""),
BooleanClause.Occur.MUST_NOT));
f = new CachingWrapperFilter(f);
Daniel
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Daniel Noll
Nuix Pty Ltd
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