abonander commented on code in PR #3905:
URL: https://github.com/apache/arrow-adbc/pull/3905#discussion_r2848968066
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rust/core/src/sync.rs:
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@@ -44,6 +44,24 @@ pub trait Optionable {
fn get_option_double(&self, key: Self::Option) -> Result<f64>;
}
+/// A handle to cancel an in-progress operation on a connection.
+///
+/// This is a separated handle because otherwise it would be impossible to
+/// call a `cancel` method on a connection or statement itself.
+pub trait CancelHandle: Send {
+ /// Cancel the in-progress operation on a connection.
+ fn try_cancel(&self) -> Result<()>;
Review Comment:
It's only sort-of implied by
https://github.com/apache/arrow-adbc/blob/e8642f824393a99d4a2ac3cde89f15b10e7f3101/c/include/arrow-adbc/adbc.h#L2130-L2131
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