1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package org.apache.spark.sql.catalyst.expressions 19 20import org.apache.spark.SparkFunSuite 21import org.apache.spark.sql.types.{Decimal, DecimalType, LongType} 22 23class DecimalExpressionSuite extends SparkFunSuite with ExpressionEvalHelper { 24 25 test("UnscaledValue") { 26 val d1 = Decimal("10.1") 27 checkEvaluation(UnscaledValue(Literal(d1)), 101L) 28 val d2 = Decimal(101, 3, 1) 29 checkEvaluation(UnscaledValue(Literal(d2)), 101L) 30 checkEvaluation(UnscaledValue(Literal.create(null, DecimalType(2, 1))), null) 31 } 32 33 test("MakeDecimal") { 34 checkEvaluation(MakeDecimal(Literal(101L), 3, 1), Decimal("10.1")) 35 checkEvaluation(MakeDecimal(Literal.create(null, LongType), 3, 1), null) 36 } 37 38 test("PromotePrecision") { 39 val d1 = Decimal("10.1") 40 checkEvaluation(PromotePrecision(Literal(d1)), d1) 41 val d2 = Decimal(101, 3, 1) 42 checkEvaluation(PromotePrecision(Literal(d2)), d2) 43 checkEvaluation(PromotePrecision(Literal.create(null, DecimalType(2, 1))), null) 44 } 45 46 test("CheckOverflow") { 47 val d1 = Decimal("10.1") 48 checkEvaluation(CheckOverflow(Literal(d1), DecimalType(4, 0)), Decimal("10")) 49 checkEvaluation(CheckOverflow(Literal(d1), DecimalType(4, 1)), d1) 50 checkEvaluation(CheckOverflow(Literal(d1), DecimalType(4, 2)), d1) 51 checkEvaluation(CheckOverflow(Literal(d1), DecimalType(4, 3)), null) 52 53 val d2 = Decimal(101, 3, 1) 54 checkEvaluation(CheckOverflow(Literal(d2), DecimalType(4, 0)), Decimal("10")) 55 checkEvaluation(CheckOverflow(Literal(d2), DecimalType(4, 1)), d2) 56 checkEvaluation(CheckOverflow(Literal(d2), DecimalType(4, 2)), d2) 57 checkEvaluation(CheckOverflow(Literal(d2), DecimalType(4, 3)), null) 58 59 checkEvaluation(CheckOverflow(Literal.create(null, DecimalType(2, 1)), DecimalType(3, 2)), null) 60 } 61 62} 63