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
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@@ -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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