Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/311#discussion_r23070438
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/typeutils/PojoTypeInfo.java
---
@@ -45,6 +46,16 @@
*/
public class PojoTypeInfo<T> extends CompositeType<T>{
+ private final static String REGEX_FIELD =
"[a-zA-Z_\\$][a-zA-Z0-9_\\$]*";
--- End diff --
Java allows to use any unicode character to be used as field names.
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