mingmwang commented on a change in pull request #2029:
URL: https://github.com/apache/arrow-datafusion/pull/2029#discussion_r830713749
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File path: datafusion/src/execution/context.rs
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@@ -667,34 +635,15 @@ impl SessionContext {
/// Optimizes the logical plan by applying optimizer rules.
pub fn optimize(&self, plan: &LogicalPlan) -> Result<LogicalPlan> {
- if let LogicalPlan::Explain(e) = plan {
- let mut stringified_plans = e.stringified_plans.clone();
-
- // optimize the child plan, capturing the output of each optimizer
- let plan =
- self.optimize_internal(e.plan.as_ref(), |optimized_plan,
optimizer| {
- let optimizer_name = optimizer.name().to_string();
- let plan_type = PlanType::OptimizedLogicalPlan {
optimizer_name };
-
stringified_plans.push(optimized_plan.to_stringified(plan_type));
- })?;
-
- Ok(LogicalPlan::Explain(Explain {
- verbose: e.verbose,
- plan: Arc::new(plan),
- stringified_plans,
- schema: e.schema.clone(),
- }))
- } else {
- self.optimize_internal(plan, |_, _| {})
- }
+ self.state.lock().optimize(plan)
Review comment:
How about a RW lock ?
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