tree d14dd7622a2110b63219b33a790540f3f2002f6d
parent 6990109f9be97c6c32724dd5c001f5d3bc8da5e8
author Christoph Büscher <cbuescher@posteo.de> 1602867695 +0200
committer GitHub <noreply@github.com> 1602867695 +0200
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LUCENE-9578: TermRangeQuery empty string lower bound edge case (#1976)

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.

This PR changes "Automata#makeBinaryInterval" so that for an empty string lower
bound and an open upper bound, any String should match the query regardless or
the includeLower flag.