diff --git a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TanFunction.java b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TanFunction.java new file mode 100644 index 00000000000..ed673f1ef64 --- /dev/null +++ b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TanFunction.java @@ -0,0 +1,46 @@ +/* + * 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.inlong.sdk.transform.process.function; + +import org.apache.inlong.sdk.transform.decode.SourceData; +import org.apache.inlong.sdk.transform.process.Context; +import org.apache.inlong.sdk.transform.process.operator.OperatorTools; +import org.apache.inlong.sdk.transform.process.parser.ValueParser; + +import net.sf.jsqlparser.expression.Function; + +import java.math.BigDecimal; +/** + * TanFunction + * description: tan(numeric)--returns the tangent of numeric + */ +public class TanFunction implements ValueParser { + + private ValueParser numberParser; + + public TanFunction(Function expr) { + numberParser = OperatorTools.buildParser(expr.getParameters().getExpressions().get(0)); + } + + @Override + public Object parse(SourceData sourceData, int rowIndex, Context context) { + Object numberObj = numberParser.parse(sourceData, rowIndex, context); + BigDecimal numberValue = OperatorTools.parseBigDecimal(numberObj); + return Math.tan(numberValue.doubleValue()); + } +} diff --git a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java index fe361263a43..b58c0c341c5 100644 --- a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java +++ b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/operator/OperatorTools.java @@ -39,6 +39,7 @@ import org.apache.inlong.sdk.transform.process.function.SinhFunction; import org.apache.inlong.sdk.transform.process.function.SqrtFunction; import org.apache.inlong.sdk.transform.process.function.SubstringFunction; +import org.apache.inlong.sdk.transform.process.function.TanFunction; import org.apache.inlong.sdk.transform.process.function.TimestampExtractFunction; import org.apache.inlong.sdk.transform.process.function.ToDateFunction; import org.apache.inlong.sdk.transform.process.function.ToTimestampFunction; @@ -116,6 +117,7 @@ public class OperatorTools { functionMap.put("sin", SinFunction::new); functionMap.put("sinh", SinhFunction::new); functionMap.put("cos", CosFunction::new); + functionMap.put("tan", TanFunction::new); functionMap.put("year", func -> new DateExtractFunction(DateExtractFunctionType.YEAR, func)); functionMap.put("quarter", func -> new DateExtractFunction(DateExtractFunctionType.QUARTER, func)); functionMap.put("month", func -> new DateExtractFunction(DateExtractFunctionType.MONTH, func)); diff --git a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java index 7ec41e4c328..6577ac6d67b 100644 --- a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java +++ b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformArithmeticFunctionsProcessor.java @@ -325,4 +325,26 @@ public void testCosFunction() throws Exception { Assert.assertEquals(1, output1.size()); Assert.assertEquals(output1.get(0), "result=1.0"); } + + @Test + public void testTanFunction() throws Exception { + String transformSql = "select tan(numeric1) from source"; + TransformConfig config = new TransformConfig(transformSql); + TransformProcessor processor = TransformProcessor + .create(config, SourceDecoderFactory.createCsvDecoder(csvSource), + SinkEncoderFactory.createKvEncoder(kvSink)); + // case: tan(0) + List output1 = processor.transform("0|4|6|8", new HashMap<>()); + Assert.assertEquals(1, output1.size()); + Assert.assertEquals(output1.get(0), "result=0.0"); + // case: tan(1) + List output2 = processor.transform("1|4|6|8", new HashMap<>()); + Assert.assertEquals(1, output2.size()); + Assert.assertEquals(output2.get(0), "result=1.5574077246549023"); + // case: tan(2) + List output3 = processor.transform("2|4|6|8", new HashMap<>()); + Assert.assertEquals(1, output3.size()); + Assert.assertEquals(output3.get(0), "result=-2.185039863261519"); + } + }