wesm commented on a change in pull request #8660:
URL: https://github.com/apache/arrow/pull/8660#discussion_r523824755
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File path: rust/datafusion/src/physical_plan/mod.rs
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@@ -100,6 +100,30 @@ pub enum Distribution {
SinglePartition,
}
+/// Represents the result from an expression
+pub enum ColumnarValue {
Review comment:
Note that our use of `Datum` in C++ is **far from perfect**, it's
actually a relatively complex data structure and I've contemplated using
something simplified that doesn't have as many non-trivial C++ objects inside
it in the internals of function execution
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