andygrove commented on code in PR #2791:
URL: https://github.com/apache/arrow-datafusion/pull/2791#discussion_r908739989
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datafusion/core/src/execution/context.rs:
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@@ -1247,16 +1250,26 @@ impl SessionState {
rules.push(Arc::new(LimitPushDown::new()));
rules.push(Arc::new(SingleDistinctToGroupBy::new()));
+ let mut physical_optimizers: Vec<Arc<dyn PhysicalOptimizerRule + Sync
+ Send>> = vec![
+ Arc::new(AggregateStatistics::new()),
+ Arc::new(HashBuildProbeOrder::new()),
+ ];
+ if config.config_options.get_bool(OPT_COALESCE_BATCHES) {
Review Comment:
I have added tests for disabling the optimizer rule and also for setting a
custom batch size.
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