Dandandan commented on a change in pull request #288:
URL: https://github.com/apache/arrow-datafusion/pull/288#discussion_r632372342
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File path: datafusion/src/execution/context.rs
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@@ -740,6 +748,15 @@ impl ExecutionConfig {
}
}
+/// Holds per-execution properties and data (such as starting timestamps, etc).
+/// An instance of this struct is created each time a [`LogicalPlan`] is
prepared for
+/// execution (optimized). If the same plan is optimized multiple times, a new
+/// `ExecutionProps` is created each time.
+#[derive(Clone)]
+pub struct ExecutionProps {
+ pub(crate) query_execution_start_time: Option<DateTime<Utc>>,
Review comment:
Could we make this `DateTime<Utc>` per the discussion?
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