On Apr 21, 2005, at 5:22 PM, James Levine wrote:
I have an index of around 3 million records, and typical queries can result in result sets of between 1 and 400,000 results.
We have indexed "dateTime" fields in the form 20050415142, that is, to 10-minute precision.
When I try to sort queries I get something back that is roughly sorted on index, but not quite. Stuff is out of order just a bit. The size of the result set does not seem to be related occurance of this problem.
We've tried lucene 1.4-final and1.4.3.
my code looks like this
s = new Sort( new SortField[] { new SortField( "dateTime", SortField.STRING,
true ), SortField.FIELD_SCORE } );
...
hits = searcher.search( qry, s );
Any help is appreciated, I'm so far baffled by this problem.
I don't have a solution, but rather some questions to check.... are all dateTime's the same width, zero padded on the right? Does every document have a dateTime field?
I recommend you sort with type INT instead of STRING if it fits, or maybe LONG. STRING will use the most resources for sorting.
Erik
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