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https://issues.apache.org/jira/browse/FLINK-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960490#comment-15960490
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ASF GitHub Bot commented on FLINK-6240:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3694#discussion_r110342899
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/GeneratedAggregations.scala
---
@@ -75,4 +75,13 @@ abstract class GeneratedAggregations extends Function {
*/
def createOutputRow(): Row
+ /**
+ * merge two rows of accumulators into one row
+ *
+ * @param a one input row
+ * @param b the other input row
+ * @return a row of accumulators which contains the merged aggregated
results
+ */
+ def mergeTwoRows(a: Row, b: Row): Row
--- End diff --
rename to `mergeAccumulators` or `mergeAccumulatorsPair`?
> codeGen dataStream aggregates that use AggregateAggFunction
> -----------------------------------------------------------
>
> Key: FLINK-6240
> URL: https://issues.apache.org/jira/browse/FLINK-6240
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Shaoxuan Wang
>
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