pnowojski commented on code in PR #26075:
URL: https://github.com/apache/flink/pull/26075#discussion_r1939461797
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flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/ExecutionConfigOptions.java:
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@@ -554,6 +554,16 @@ public class ExecutionConfigOptions {
+ "all changes to downstream just
like when the mini-batch is "
+ "not enabled.");
+ @Documentation.TableOption(execMode = Documentation.ExecMode.STREAMING)
+ public static final ConfigOption<Integer> UNBOUNDED_OVER_VERSION =
+ ConfigOptions.key("table.exec.unbounded-over.version")
+ .intType()
+ .defaultValue(1)
+ .withDescription(
+ "Which version of the unbounded over aggregation
to use: "
+ + " 1 - legacy version"
+ + " 2 - new version with improved
performance");
Review Comment:
I think we can default to version 2 indeed and keep this as an opt-out
feature.
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