Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/4199#discussion_r124630671
--- Diff:
flink-libraries/flink-table/src/main/java/org/apache/calcite/sql/fun/SqlGroupFunction.java
---
@@ -50,7 +50,8 @@
* GROUP BY HOP(rowtime, INTERVAL '1' HOUR), productId
* </pre></blockquote>
*/
-class SqlGroupFunction extends SqlFunction {
+// FLINK QUICK FIX
+public class SqlGroupFunction extends SqlFunction {
--- End diff --
Calcite 1.13 was released and we are planning to update the dependency.
I guess we cannot simply drop this file and use Calcite's version, if we
start modifying the code.
Do we have plans to contribute the changes back or do we want to keep this
file?
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