Erick Erickson wrote:
As Miles said, use the DateTools (lucene) class with a DAY resolution.
That'll give you a YYYYMMDD format, which won't blow your query with a
"TooManyClauses" exception.......
Remember that Lucene deals with strings, so you want to store things in
easily-manipulated string format, often one that's suitable for
comparison.
Which is what you want to do when you create a RangeQuery
I think this is the way to go, have one field at DAY resolution for the
RangeQuery and one field at MILLISECOND resolution for sorting.
The reason you want the coarsest resolution possible for RangeQuerys is
that it works the same way as any other query, it tries to match tokens.
To do this it enumerates all possible values between the two end points,
so if there's a week between the two dates and the resolution is DAY,
that's just seven values it tries to match against. If the resolution is
MILLISECOND it tries to match against 604,800,000 values.
Miles
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