Michael McCandless created LUCENE-6975:
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             Summary: Add dimensional "equals" query to match docs containing 
precisely a given value
                 Key: LUCENE-6975
                 URL: https://issues.apache.org/jira/browse/LUCENE-6975
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: Trunk, 6.0


Today, you can make a dimensional range query using e.g. 
{{DimensionalRangeQuery.new1DIntRange}}, etc., plus a direct ctor for "expert" 
(2D, 3D, etc.) usages, but matching a single value is awkward and users ask 
about it from time to time.

We could maybe rename {{DimensionalRangeQuery}} to {{DimensionalQuery}} and add 
new "factories" like {{newIntEqualsQuery}} or something.

Or, we could make new classes, {{DimensionalIntEqualsQuery}} etc., and you get 
to use ordinary constructors?

Or something else?



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