Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3735#discussion_r111982297
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/GeneratedAggregations.scala
---
@@ -36,6 +36,15 @@ abstract class GeneratedAggregations extends Function {
def setAggregationResults(accumulators: Row, output: Row)
/**
+ * Calculates the results from accumulators, and set the results to the
output (with key offset)
+ *
+ * @param accumulators the accumulators (saved in a row) which contains
the current
+ * aggregated results
+ * @param output output results collected in a row
+ */
+ def setAggregationResultsWithKeyOffset(accumulators: Row, output: Row)
--- End diff --
We could reuse all your code, but just put it into a different method of
the `CodeGenerator` and make it implement the existing methods. Their
interfaces are the same.
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