dmitrybugakov commented on code in PR #10510:
URL: https://github.com/apache/datafusion/pull/10510#discussion_r1602194301
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datafusion/expr/src/interval_arithmetic.rs:
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@@ -1469,6 +1472,8 @@ pub enum NullableInterval {
MaybeNull { values: Interval },
/// The value is definitely not null, and is within the specified range.
NotNull { values: Interval },
+ /// Added to handle cases with insufficient statistics
+ Unknown,
}
Review Comment:
When I tried to play with the stats, I attempted to get them from the
`ExecutionPlan`. Here, there was a default absent value:
https://github.com/apache/datafusion/blob/c312ffe7d954563888a303beb8796848d20ff7c6/datafusion/core/src/physical_planner.rs#L470
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