apache / datafusion-ballista

Apache DataFusion Ballista Distributed Query Engine
https://datafusion.apache.org/ballista
Apache License 2.0
1.39k stars 181 forks source link

Dynamically optimize count based on statistics #921

Closed Dandandan closed 7 months ago

Dandandan commented 7 months ago

Which issue does this PR close?

Reduces the tasks when the count can be answered using the statistics only