Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3733#discussion_r112065233
--- Diff:
flink-core/src/main/java/org/apache/flink/api/java/typeutils/runtime/RowSerializer.java
---
@@ -152,6 +161,7 @@ public void serialize(Row record, DataOutputView
target) throws IOException {
fieldSerializers[i].serialize(o, target);
}
}
+ commandSerializer.serialize(record.command, target);
--- End diff --
Also by adding the command to `Row` we add serialization overhead to all
jobs that use Row (including batch Table API / SQL).
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