| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pinot.core.operator.transform.function; |
| |
| import org.apache.pinot.common.request.context.ExpressionContext; |
| import org.apache.pinot.common.request.context.RequestContextUtils; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| |
| public class PowerTransformFunctionTest extends BaseTransformFunctionTest { |
| |
| @Test |
| public void testPowerTransformFunction() { |
| ExpressionContext expression = |
| RequestContextUtils.getExpression(String.format("power(%s,%s)", INT_SV_COLUMN, LONG_SV_COLUMN)); |
| TransformFunction transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| Assert.assertEquals(transformFunction.getName(), PowerTransformFunction.FUNCTION_NAME); |
| double[] expectedValues = new double[NUM_ROWS]; |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow((double) _intSVValues[i], (double) _longSVValues[i]); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| |
| expression = |
| RequestContextUtils.getExpression(String.format("power(%s,%s)", LONG_SV_COLUMN, FLOAT_SV_COLUMN)); |
| transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow((double) _longSVValues[i], (double) _floatSVValues[i]); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| |
| expression = |
| RequestContextUtils.getExpression(String.format("power(%s,%s)", FLOAT_SV_COLUMN, DOUBLE_SV_COLUMN)); |
| transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow((double) _floatSVValues[i], _doubleSVValues[i]); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| |
| expression = |
| RequestContextUtils.getExpression(String.format("power(%s,%s)", DOUBLE_SV_COLUMN, STRING_SV_COLUMN)); |
| transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow(_doubleSVValues[i], Double.parseDouble(_stringSVValues[i])); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| |
| expression = |
| RequestContextUtils.getExpression(String.format("power(%s,%s)", STRING_SV_COLUMN, INT_SV_COLUMN)); |
| transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow(Double.parseDouble(_stringSVValues[i]), (double) _intSVValues[i]); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| } |
| |
| @Test |
| public void testPowerTransformFunctionWithLiteralExponents() { |
| Double exponent = 2.5; |
| ExpressionContext expression = |
| RequestContextUtils.getExpression(String.format("power(%s, %f)", INT_SV_COLUMN, exponent)); |
| TransformFunction transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap); |
| Assert.assertTrue(transformFunction instanceof PowerTransformFunction); |
| Assert.assertEquals(transformFunction.getName(), PowerTransformFunction.FUNCTION_NAME); |
| double[] expectedValues = new double[NUM_ROWS]; |
| for (int i = 0; i < NUM_ROWS; i++) { |
| expectedValues[i] = Math.pow((double) _intSVValues[i], exponent); |
| } |
| testTransformFunction(transformFunction, expectedValues); |
| } |
| } |