twalthr commented on a change in pull request #18352:
URL: https://github.com/apache/flink/pull/18352#discussion_r784649660
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File path:
flink-table/flink-table-common/src/main/java/org/apache/flink/table/functions/UserDefinedFunction.java
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@@ -58,9 +60,13 @@
/** Returns a unique, serialized representation for this function. */
public final String functionIdentifier() {
+ final String className = getClass().getName();
+ if (isClassNameSerializable(this)) {
+ return className;
+ }
final String md5 =
EncodingUtils.hex(EncodingUtils.md5(EncodingUtils.encodeObjectToString(this)));
- return getClass().getName().replace('.', '$').concat("$").concat(md5);
+ return className.concat("$").concat(md5);
Review comment:
Yes, you can also find them in the updated plans with a `$` at the end.
E.g.:
`org.apache.flink.table.planner.plan.batch.table.CalcTest$giveMeCaseClass$`
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