Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/2653#discussion_r88478530 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/functions/ScalarFunction.scala --- @@ -48,7 +48,7 @@ import org.apache.flink.api.table.{FlinkTypeFactory, ValidationException} * recommended to declare parameters and result types as primitive types instead of their boxed * classes. DATE/TIME is equal to int, TIMESTAMP is equal to long. */ -abstract class ScalarFunction extends UserDefinedFunction { +abstract class ScalarFunction extends UserDefinedFunction with EvaluableFunction { --- End diff -- +1
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