Github user DmytroShkvyra commented on a diff in the pull request: https://github.com/apache/flink/pull/2870#discussion_r103736499 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/codegen/calls/ScalarOperators.scala --- @@ -1002,12 +1068,17 @@ object ScalarOperators { val resultTypeTerm = primitiveTypeTermForTypeInfo(resultType) // no casting necessary if (operandType == resultType) { - (operandTerm) => s"$operandTerm" + if (isDecimal(operandType)) { + (operandTerm) => s"$operandTerm.stripTrailingZeros()" + } else { + (operandTerm) => s"$operandTerm" + } } // result type is decimal but numeric operand is not else if (isDecimal(resultType) && !isDecimal(operandType) && isNumeric(operandType)) { (operandTerm) => - s"java.math.BigDecimal.valueOf((${superPrimitive(operandType)}) $operandTerm)" + s"java.math.BigDecimal.valueOf((${superPrimitive(operandType)}) $operandTerm)" + --- End diff -- @twalthr See my comment above
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