cbuescher opened a new pull request #1976:
URL: https://github.com/apache/lucene-solr/pull/1976
# Description
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.
# Solution
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.
# Tests
Added two new tests to `TestAutomaton`.
# Checklist
Please review the following and check all that apply:
- [x] I have reviewed the guidelines for [How to
Contribute](https://wiki.apache.org/solr/HowToContribute) and my code conforms
to the standards described there to the best of my ability.
- [x] I have created a Jira issue and added the issue ID to my pull request
title.
- [x] I have given Solr maintainers
[access](https://help.github.com/en/articles/allowing-changes-to-a-pull-request-branch-created-from-a-fork)
to contribute to my PR branch. (optional but recommended)
- [x] I have developed this patch against the `master` branch.
- [x] I have run `./gradlew check`
- [x] I have added tests for my changes.
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