srinipunuru commented on a change in pull request #911: Support for types in 
Samza SQL UDF
URL: https://github.com/apache/samza/pull/911#discussion_r255613496
 
 

 ##########
 File path: 
samza-sql/src/main/java/org/apache/samza/sql/data/SamzaSqlExecutionContext.java
 ##########
 @@ -38,7 +40,10 @@
    * The variables that are shared among all cloned instance of {@link 
SamzaSqlExecutionContext}
    */
   private final SamzaSqlApplicationConfig sqlConfig;
-  private final Map<String, UdfMetadata> udfMetadata;
+
+  // Maps the UDF name to list of all UDF methods associated with the name.
+  // Since we support polymorphism there can multiple udfMetadata associated 
with the single name.
 
 Review comment:
   There was already a testcase 
(testEndToEndStreamTableTableJoinWithPrimaryKeys) which covers this, because we 
are passing both object as we all as an integer to the MyTest. I just added 
another test targeting this specifically.

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