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new 86635a83ba [INLONG-11123][SDK] Transform SQL supports conv function
(#11141)
86635a83ba is described below
commit 86635a83ba11cb9996640d277363a37e2ccd10f1
Author: Zkplo <87751516+zk...@users.noreply.github.com>
AuthorDate: Fri Sep 20 17:26:55 2024 +0800
[INLONG-11123][SDK] Transform SQL supports conv function (#11141)
Co-authored-by: ZKpLo <14148880+zk...@user.noreply.gitee.com>
---
.../process/function/RadixConvertFunction.java | 97 ++++++++++++++++++++++
.../arithmetic/testRadixConvertFunction.java | 87 +++++++++++++++++++
2 files changed, 184 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadixConvertFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadixConvertFunction.java
new file mode 100644
index 0000000000..f9b3cac523
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/RadixConvertFunction.java
@@ -0,0 +1,97 @@
+/*
+ * 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 lombok.extern.slf4j.Slf4j;
+import net.sf.jsqlparser.expression.Expression;
+import net.sf.jsqlparser.expression.Function;
+
+import java.math.BigInteger;
+import java.util.List;
+
+/**
+ * RadixConvertFunction -> radix_convert(N,from_base,to_base)
+ * description: Converts numbers between different number bases. The minimum
base is 2 and the maximum base is 36.
+ * If from_base is a negative number, N is regarded as a signed
number. Otherwise, N is treated as
+ * unsigned. This function works with 64-bit precision.
+ * - returns NULL if any of its arguments are NULL.
+ * - returns conversion results otherwise.
+ */
+@Slf4j
+@TransformFunction(names = {"radix_convert"})
+public class RadixConvertFunction implements ValueParser {
+
+ private final ValueParser numParser;
+ private final ValueParser fromBaseParser;
+ private final ValueParser toBaseParser;
+
+ public RadixConvertFunction(Function expr) {
+ List<Expression> expressions = expr.getParameters().getExpressions();
+ numParser = OperatorTools.buildParser(expressions.get(0));
+ fromBaseParser = OperatorTools.buildParser(expressions.get(1));
+ toBaseParser = OperatorTools.buildParser(expressions.get(2));
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ Object numObj = numParser.parse(sourceData, rowIndex, context);
+ Object fromBaseObj = fromBaseParser.parse(sourceData, rowIndex,
context);
+ Object toBaseObj = toBaseParser.parse(sourceData, rowIndex, context);
+ if (numObj == null || fromBaseObj == null || toBaseObj == null) {
+ return null;
+ }
+ String num = OperatorTools.parseString(numObj);
+ int fromBase = Integer.parseInt(fromBaseObj.toString());
+ int toBase = Integer.parseInt(toBaseObj.toString());
+ return conv(num, fromBase, toBase);
+ }
+
+ /**
+ * Converts a number from one base to another.
+ *
+ * @param number The number to be converted (as a string or integer).
+ * @param fromBase The base of the input number.
+ * @param toBase The base to which the number should be converted.
+ * @return The converted number as a string, or null if input is invalid.
+ */
+ public static String conv(String number, int fromBase, int toBase) {
+ if (!checkRange(fromBase) || !checkRange(toBase)) {
+ return null;
+ }
+ try {
+ BigInteger num = new BigInteger(number, Math.abs(fromBase));
+ if (fromBase > 0) {
+ return num.toString(Math.abs(toBase)).toUpperCase();
+ } else {
+ return new BigInteger(Long.toUnsignedString(num.longValue()),
10)
+ .toString(Math.abs(toBase)).toUpperCase();
+ }
+ } catch (NumberFormatException e) {
+ return null;
+ }
+ }
+
+ private static boolean checkRange(int base) {
+ return Math.abs(base) >= 2 && Math.abs(base) <= 36;
+ }
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/testRadixConvertFunction.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/testRadixConvertFunction.java
new file mode 100644
index 0000000000..3b7cdef93a
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/testRadixConvertFunction.java
@@ -0,0 +1,87 @@
+/*
+ * 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.arithmetic;
+
+import org.apache.inlong.sdk.transform.decode.SourceDecoderFactory;
+import org.apache.inlong.sdk.transform.encode.SinkEncoderFactory;
+import org.apache.inlong.sdk.transform.pojo.TransformConfig;
+import org.apache.inlong.sdk.transform.process.TransformProcessor;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class testRadixConvertFunction extends
AbstractFunctionArithmeticTestBase {
+
+ @Test
+ public void testRadixConvertFunction() throws Exception {
+ String transformSql = null, data = null;
+ TransformConfig config = null;
+ TransformProcessor<String, String> processor = null;
+ List<String> output = null;
+
+ transformSql = "select radix_convert(numeric1,numeric2,numeric3) from
source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: radix_convert('a',16,2)
+ data = "a|16|2|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=1010", output.get(0));
+
+ // case2: radix_convert('6E',18,8)
+ data = "6E|18|8|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=172", output.get(0));
+
+ // case3: radix_convert(-17,10,-18)
+ data = "-17|10|-18|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=-H", output.get(0));
+
+ // case4: radix_convert(-17,-10,18)
+ data = "-17|-10|18|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=2D3FGB0B9CG4BD1H", output.get(0));
+
+ // case5: radix_convert(-17,-10,18)
+ data = "-17|-10|18|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=2D3FGB0B9CG4BD1H", output.get(0));
+
+ // case6: radix_convert(17,-10,18)
+ data = "17|-10|18|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=H", output.get(0));
+
+ // case7: radix_convert(17,10,18)
+ data = "17|10|18|5";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=H", output.get(0));
+ }
+}
