yjshen commented on a change in pull request #1987:
URL: https://github.com/apache/arrow-datafusion/pull/1987#discussion_r825378707
##########
File path: datafusion/src/execution/context.rs
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@@ -1220,6 +1233,74 @@ impl FunctionRegistry for ExecutionContextState {
}
}
+/// Task Context Properties
+pub enum TaskProperties {
Review comment:
I think this depends on how will `TaskProperties` be populated and
lately used. If we are asking about the ability to adjust configs on a `task`
basis, then a combination is needed.
Otherwise, we could do branching with `TaskProperties` like:
```rust
impl TaskProperties {
fn conf(&self, conf_key: impl Into<String>) -> String {
"".to_owned()
}
fn typed_conf<T>(&self, conf_key: impl Into<String>) -> T {
T::new()
}
fn batch_size(&self) -> usize {
self.typed_conf("batch_size")
}
}
```
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