Github user lincoln-lil commented on a diff in the pull request:
https://github.com/apache/flink/pull/3733#discussion_r111957675
--- Diff:
flink-core/src/main/java/org/apache/flink/api/java/typeutils/runtime/RowSerializer.java
---
@@ -40,6 +42,7 @@
private static final long serialVersionUID = 1L;
private final boolean[] nullMask;
private final TypeSerializer<Object>[] fieldSerializers;
+ private final EnumSerializer commandSerializer = new
EnumSerializer(Command.class);
--- End diff --
advice: non-static final members should be initialized in constructor,
otherwise make it 'static final' and use upper case variable name.
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