Christoph Büscher created LUCENE-9578:
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Summary: TermRangeQuery with empty string lower bound edge case
Key: LUCENE-9578
URL: https://issues.apache.org/jira/browse/LUCENE-9578
Project: Lucene - Core
Issue Type: Bug
Components: core/search
Affects Versions: 8.6.3, trunk
Reporter: Christoph Büscher
Currently a TermRangeQuery with the empty String ("") as lower bound and
includeLower=false leads internally constructs an Automaton that doesn't match
anything. This is unexpected expecially for open upper bounds where any string
should be considered to be "higher" than the empty string.
I think "Automata#makeBinaryInterval" should be changed so that for an empty
string lower bound and an open upper bound, any String should match the query
regardless or the includeLower flag.
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