xudong963 commented on a change in pull request #1183:
URL: https://github.com/apache/arrow-datafusion/pull/1183#discussion_r739242123
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File path: datafusion/src/execution/context.rs
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@@ -176,6 +176,7 @@ impl ExecutionContext {
config,
execution_props: ExecutionProps::new(),
object_store_registry: Arc::new(ObjectStoreRegistry::new()),
+ has_optimized: false,
Review comment:
> Might also be good to have some numbers about how much time a typical
full optimization pass costs (and / or to track some statistics) - I would
expect in most cases it will be quite a bit less than say 1 ms.
Maybe we can do this in the next PR.
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