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new d5ca96189d [INLONG-10819][SDK] Transform support tan function (#10820)
d5ca96189d is described below
commit d5ca96189ddd7c6609a91db3f0a881e3bfe5d6ad
Author: emptyOVO <118812562+empty...@users.noreply.github.com>
AuthorDate: Thu Aug 22 16:55:07 2024 +0800
[INLONG-10819][SDK] Transform support tan function (#10820)
---
.../transform/process/function/TanFunction.java | 46 ++++++++++++++++++++++
.../transform/process/operator/OperatorTools.java | 2 +
.../TestTransformArithmeticFunctionsProcessor.java | 22 +++++++++++
3 files changed, 70 insertions(+)
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 0000000000..ed673f1ef6
--- /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 028ef7156f..5ed42095da 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
@@ -40,6 +40,7 @@ import
org.apache.inlong.sdk.transform.process.function.SinFunction;
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;
@@ -120,6 +121,7 @@ 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 7ec41e4c32..6577ac6d67 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 class TestTransformArithmeticFunctionsProcessor {
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<String, String> processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case: tan(0)
+ List<String> 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<String> 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<String> output3 = processor.transform("2|4|6|8", new HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals(output3.get(0), "result=-2.185039863261519");
+ }
+
}
