Interface SqlFunction

  • All Known Subinterfaces:
    SqlFunction1<T1,​R>, SqlFunction2<T1,​T2,​R>, SqlFunction3<T1,​T2,​T3,​R>, SqlFunction4<T1,​T2,​T3,​T4,​R>, SqlFunction5<T1,​T2,​T3,​T4,​T5,​R>

    public interface SqlFunction
    The interface that encapsulates meta data required for registration of a custom UDF function in Spark.
    • Method Detail

      • getName

        String getName()
        Gets the name of the UDF.
        Returns:
        the name of the UDF function.
      • getReturnType

        DataType getReturnType()
        Gets the return type of the UDF
        Returns:
        the SQL type returned by the UDF.