Rafiullah Momand created FLINK-2237: ---------------------------------------
Summary: Add hash-based Aggregation
Key: FLINK-2237
URL: https://issues.apache.org/jira/browse/FLINK-2237
Project: Flink
Issue Type: New Feature
Reporter: Rafiullah Momand
Priority: Minor
Fix For: pre-apache
Aggregation functions at the moment are implemented in a sort-based way.
How can we implement hash based Aggregation for Flink?
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