andygrove commented on a change in pull request #9333:
URL: https://github.com/apache/arrow/pull/9333#discussion_r567331656
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File path: rust/datafusion/src/execution/context.rs
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@@ -529,6 +525,15 @@ impl ExecutionConfig {
self.query_planner = query_planner;
self
}
+
+ /// Adds a new [`OptimizerRule`]
+ pub fn add_optimizer_rule(
Review comment:
I don't have a use case in mind, but what if we needed to insert an
optimizer rule before the standard ones run, or override one of the standard
rules?
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