Martin Blom created LUCENE-5664:
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Summary: New meaning of equal sign in StandardQueryParser
Key: LUCENE-5664
URL: https://issues.apache.org/jira/browse/LUCENE-5664
Project: Lucene - Core
Issue Type: Improvement
Components: modules/queryparser
Affects Versions: 4.5, 4.8
Reporter: Martin Blom
Attachments: LUCENE-5664.patch
The StandardSyntaxParser.jj has (undocumented?) support for the <, <=, > and =>
operators that generate a TermRangeQueryNode. The equal operator, however,
behaves just like the colon and produces a regular Term node instead of a
TermRangeQueryNode.
I've been using the attached patch in a project where we had to be able to
query the exact value of a field and I'm hoping there is interest to apply it
upstream.
(Note that the colon operator works just as before, producing TermQuery or
PhraseQuery nodes.)
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