Github user adrian-wang commented on a diff in the pull request: https://github.com/apache/spark/pull/6783#discussion_r34337039 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala --- @@ -387,3 +387,67 @@ case class MinOf(left: Expression, right: Expression) extends BinaryArithmetic { override def symbol: String = "min" override def prettyName: String = symbol } + +case class Pmod(left: Expression, right: Expression) extends BinaryArithmetic { + + override def symbol: String = "pmod" + + protected def checkTypesInternal(t: DataType) = + TypeUtils.checkForNumericExpr(t, "pmod") + + override lazy val resolved = + childrenResolved && checkInputDataTypes().isSuccess && !DecimalType.isFixed(dataType) + + protected override def nullSafeEval(left: Any, right: Any) = + dataType match { + case IntegerType => pmod(left.asInstanceOf[Integer], right.asInstanceOf[Integer]) + case LongType => pmod(left.asInstanceOf[Long], right.asInstanceOf[Long]) + case ShortType => pmod(left.asInstanceOf[Short], right.asInstanceOf[Short]) + case ByteType => pmod(left.asInstanceOf[Byte], right.asInstanceOf[Byte]) + case FloatType => pmod(left.asInstanceOf[Float], right.asInstanceOf[Float]) + case DoubleType => pmod(left.asInstanceOf[Double], right.asInstanceOf[Double]) + case _: DecimalType => pmod(left.asInstanceOf[Decimal], right.asInstanceOf[Decimal]) + } + + val decimalAddMethod = "$plus" --- End diff -- agree with @chenghao-intel . you can give it a name in the body of `genCode`
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