类分层结构
- java.lang.Object
- org.apache.flink.table.functions.hive.DeferredObjectAdapter (implements org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject)
- org.apache.flink.table.functions.hive.HiveFunctionWrapper<UDFType> (implements java.io.Serializable)
- java.lang.Throwable (implements java.io.Serializable)
- org.apache.flink.table.functions.UserDefinedFunction (implements org.apache.flink.table.functions.FunctionDefinition, java.io.Serializable)
- org.apache.flink.table.functions.ScalarFunction
- org.apache.flink.table.functions.TableFunction<T>
- org.apache.flink.table.functions.UserDefinedAggregateFunction<T,ACC>
- org.apache.flink.table.functions.AggregateFunction<T,ACC>
接口分层结构
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