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From GitBox <...@apache.org>
Subject [GitHub] atoomula commented on a change in pull request #911: Support for types in Samza SQL UDF
Date Sat, 09 Feb 2019 14:52:15 GMT
atoomula commented on a change in pull request #911: Support for types in Samza SQL UDF
URL: https://github.com/apache/samza/pull/911#discussion_r255300436
 
 

 ##########
 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:
   How can these different methods be invoked via Udf in a sql statement ? Is there an example
or a test ? I see one with overload but can we have different method names and make it work
?

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