alamb commented on code in PR #7885:
URL: https://github.com/apache/arrow-datafusion/pull/7885#discussion_r1369176128
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datafusion/physical-expr/src/intervals/interval_aritmetic.rs:
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@@ -1079,6 +1094,117 @@ mod tests {
Interval::make(lower, upper, (false, false))
}
+ #[test]
+ fn boolean_interval_test() -> Result<()> {
+ // Demonstrate / document how boolean Intervals work
+ #[derive(Debug)]
+ struct TestCase {
+ lower: bool,
+ upper: bool,
+ /// expected bounds when lower is open, upper is open
+ expected_open_open: (bool, bool),
+ /// expected bounds when lower is open, upper is closed
+ expected_open_closed: (bool, bool),
+ /// expected bounds when lower is closes, upper is open
+ expected_closed_open: (bool, bool),
+ // Not: closed/closed is the same as lower/upper
+ }
+
+ let cases = vec![
+ TestCase {
+ lower: false,
+ upper: false,
+ expected_open_open: (true, false), // whole range
+ expected_open_closed: (true, false),
+ expected_closed_open: (false, false),
+ },
+ TestCase {
+ lower: false,
+ upper: true,
+ expected_open_open: (true, false), // whole range
+ expected_open_closed: (true, true),
+ expected_closed_open: (false, false),
+ },
+ TestCase {
+ lower: true,
+ upper: false,
+ expected_open_open: (true, false), // whole range
+ expected_open_closed: (true, false),
+ expected_closed_open: (true, false),
+ },
+ TestCase {
+ lower: true,
+ upper: true,
+ expected_open_open: (true, false), // whole range
Review Comment:
I'll handle any conflicts after your new PR lands -- no worries!
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