Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/415#discussion_r25085047
--- Diff:
flink-core/src/main/java/org/apache/flink/api/common/typeutils/CompositeType.java
---
@@ -132,7 +133,31 @@ public CompositeType(Class<T> typeClass) {
}
return getNewComparator(config);
}
-
+
+ //
--------------------------------------------------------------------------------------------
+
+ /**
+ * Debugging utility to understand the hierarchy of serializers created
by the Java API.
+ */
+ public static <T> String getSerializerTree(TypeInformation<T> ti) {
+ return getSerializerTree(ti, 0);
+ }
+
+ private static <T> String getSerializerTree(TypeInformation<T> ti, int
indent) {
+ String ret = "";
+ if(ti instanceof CompositeType) {
+ ret += ti.toString()+"\n";
--- End diff --
Should the ```toString``` method not already print the whole tree? Thus,
the information would be redundant.
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