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new 49b07ad683 [INLONG-10963][SDK] Transform SQL support CONTAINS
function. (#10964)
49b07ad683 is described below
commit 49b07ad68382cbaf50db2b6d04a799c3abff97f3
Author: rachely <124853723+ybszzz...@users.noreply.github.com>
AuthorDate: Thu Sep 5 09:02:48 2024 +0800
[INLONG-10963][SDK] Transform SQL support CONTAINS function. (#10964)
* [INLONG-10963][SDK] Transform SQL support CONTAINS function.(#10963)
* [INLONG-10963][SDK] Transform SQL support CONTAINS function.(#10963)
---
.../process/function/ContainsFunction.java | 56 ++++++++++++++++++++++
.../TestTransformStringFunctionsProcessor.java | 32 +++++++++++++
2 files changed, 88 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ContainsFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ContainsFunction.java
new file mode 100644
index 0000000000..e2905eea07
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/ContainsFunction.java
@@ -0,0 +1,56 @@
+/*
+ * 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.Expression;
+import net.sf.jsqlparser.expression.Function;
+
+import java.util.List;
+
+/**
+ * ContainsFunction
+ * description: contains(left, right) - Returns a boolean.
+ * The value is True if right is found inside left, otherwise, returns False.
+ * Both left or right must be of STRING type.
+ */
+@TransformFunction(names = {"contains"})
+public class ContainsFunction implements ValueParser {
+
+ private ValueParser leftStrParser;
+ private ValueParser rightStrParser;
+
+ public ContainsFunction(Function expr) {
+ List<Expression> expressions = expr.getParameters().getExpressions();
+ leftStrParser = OperatorTools.buildParser(expressions.get(0));
+ rightStrParser = OperatorTools.buildParser(expressions.get(1));
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ Object leftStrObj = leftStrParser.parse(sourceData, rowIndex, context);
+ Object rightStrObj = rightStrParser.parse(sourceData, rowIndex,
context);
+ String leftStr = OperatorTools.parseString(leftStrObj);
+ String rightStr = OperatorTools.parseString(rightStrObj);
+ return (leftStr == null || rightStr == null) ? null :
leftStr.contains(rightStr);
+ }
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformStringFunctionsProcessor.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformStringFunctionsProcessor.java
index a3099d09f2..f099d728dc 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformStringFunctionsProcessor.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformStringFunctionsProcessor.java
@@ -724,4 +724,36 @@ public class TestTransformStringFunctionsProcessor {
Assert.assertEquals("result=1278", output5.get(0));
}
+ @Test
+ public void testContainsFunction() throws Exception {
+ String transformSql = "select contains(string1, string2) from source";
+ TransformConfig config = new TransformConfig(transformSql);
+ TransformProcessor<String, String> processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: contains('Transform SQL', 'SQL')
+ List<String> output1 = processor.transform("Transform SQL|SQL", new
HashMap<>());
+ Assert.assertEquals(1, output1.size());
+ Assert.assertEquals(output1.get(0), "result=true");
+ // case2: contains('', 'SQL')
+ List<String> output2 = processor.transform("|SQL", new HashMap<>());
+ Assert.assertEquals(1, output2.size());
+ Assert.assertEquals(output2.get(0), "result=false");
+ // case3: contains('Transform SQL', '')
+ List<String> output3 = processor.transform("Transform SQL|", new
HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals(output3.get(0), "result=true");
+ // case4: contains('Transform SQL', 'Transformer')
+ List<String> output4 = processor.transform("Transform
SQL|Transformer", new HashMap<>());
+ Assert.assertEquals(1, output4.size());
+ Assert.assertEquals(output4.get(0), "result=false");
+ // case5: contains('Transform SQL', 'm S')
+ List<String> output5 = processor.transform("Transform SQL|m S", new
HashMap<>());
+ Assert.assertEquals(1, output5.size());
+ Assert.assertEquals(output5.get(0), "result=true");
+ // case6: contains('', '')
+ List<String> output6 = processor.transform("|", new HashMap<>());
+ Assert.assertEquals(1, output6.size());
+ Assert.assertEquals(output6.get(0), "result=true");
+ }
}
