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new a375f9e9b8 [INLONG-11220][SDK] Transform support GREATEST() and
LEAST() function (#11255)
a375f9e9b8 is described below
commit a375f9e9b8357b122aa7c74112d2c596267f18f4
Author: emptyOVO <[email protected]>
AuthorDate: Tue Oct 8 12:54:17 2024 +0800
[INLONG-11220][SDK] Transform support GREATEST() and LEAST() function
(#11255)
---
.../process/function/GreatestFunction.java | 71 ++++++++++++++++
.../transform/process/function/LeastFunction.java | 71 ++++++++++++++++
.../AbstractFunctionArithmeticTestBase.java | 2 +-
.../function/arithmetic/TestGreatestFunction.java | 97 ++++++++++++++++++++++
.../function/arithmetic/TestLeastFunction.java | 80 ++++++++++++++++++
.../process/operator/TestIsBooleanOperator.java | 24 ++++++
6 files changed, 344 insertions(+), 1 deletion(-)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/GreatestFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/GreatestFunction.java
new file mode 100644
index 0000000000..96218baa72
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/GreatestFunction.java
@@ -0,0 +1,71 @@
+/*
+ * 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.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+/**
+ * GreatestFunction
+ * description: GREATEST(value1[, value2]*)--Returns the greatest value of the
list of arguments.
+ * Returns NULL if any argument is NULL.
+ */
+@TransformFunction(names = {"greatest"})
+public class GreatestFunction implements ValueParser {
+
+ private List<ValueParser> parserList;
+
+ public GreatestFunction(Function expr) {
+ if (expr.getParameters() == null) {
+ this.parserList = new ArrayList<>();
+ } else {
+ List<Expression> params = expr.getParameters().getExpressions();
+ parserList = new ArrayList<>(params.size());
+ for (Expression param : params) {
+ ValueParser node = OperatorTools.buildParser(param);
+ parserList.add(node);
+ }
+ }
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ BigDecimal maxValue = null;
+ for (ValueParser valueParser : parserList) {
+ Object valueObj = valueParser.parse(sourceData, rowIndex, context);
+ if (valueObj == null) {
+ return null;
+ }
+
+ BigDecimal value = OperatorTools.parseBigDecimal(valueObj);
+ if (maxValue == null || value.compareTo(maxValue) > 0) {
+ maxValue = value;
+ }
+ }
+ return maxValue;
+ }
+
+}
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LeastFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LeastFunction.java
new file mode 100644
index 0000000000..08fe5ca626
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LeastFunction.java
@@ -0,0 +1,71 @@
+/*
+ * 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.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+/**
+ * LeastFunction
+ * description: LEAST(value1[, value2]*)--Returns the least value of the list
of arguments.
+ * Returns NULL if any argument is NULL.
+ */
+@TransformFunction(names = {"least"})
+public class LeastFunction implements ValueParser {
+
+ private List<ValueParser> parserList;
+
+ public LeastFunction(Function expr) {
+ if (expr.getParameters() == null) {
+ this.parserList = new ArrayList<>();
+ } else {
+ List<Expression> params = expr.getParameters().getExpressions();
+ parserList = new ArrayList<>(params.size());
+ for (Expression param : params) {
+ ValueParser node = OperatorTools.buildParser(param);
+ parserList.add(node);
+ }
+ }
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ BigDecimal minValue = null;
+ for (ValueParser valueParser : parserList) {
+ Object valueObj = valueParser.parse(sourceData, rowIndex, context);
+ if (valueObj == null) {
+ return null;
+ }
+
+ BigDecimal value = OperatorTools.parseBigDecimal(valueObj);
+ if (minValue == null || value.compareTo(minValue) < 0) {
+ minValue = value;
+ }
+ }
+ return minValue;
+ }
+
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AbstractFunctionArithmeticTestBase.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AbstractFunctionArithmeticTestBase.java
index 94e4912a7f..c37acb466d 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AbstractFunctionArithmeticTestBase.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/AbstractFunctionArithmeticTestBase.java
@@ -37,7 +37,7 @@ public abstract class AbstractFunctionArithmeticTestBase {
protected static final KvSinkInfo kvSink;
static {
- for (int i = 1; i < 5; i++) {
+ for (int i = 1; i <= 5; i++) {
FieldInfo field = new FieldInfo();
field.setName("numeric" + i);
srcFields.add(field);
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestGreatestFunction.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestGreatestFunction.java
new file mode 100644
index 0000000000..1dafa463c8
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestGreatestFunction.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.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 TestGreatestFunction extends AbstractFunctionArithmeticTestBase {
+
+ @Test
+ public void testGreatestFunction() throws Exception {
+ String transformSql1 = "select greatest(numeric1, greatest(numeric2,
numeric3, numeric4)) from source";
+ TransformConfig config1 = new TransformConfig(transformSql1);
+ TransformProcessor<String, String> processor1 = TransformProcessor
+ .create(config1,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: greatest(1, greatest(2, 3, 4))
+ List<String> output1 = processor1.transform("1|2|3|4", new
HashMap<>());
+ Assert.assertEquals(1, output1.size());
+ Assert.assertEquals(output1.get(0), "result=4");
+
+ // case: greatest(3.14, greatest(7, 2, 1))
+ List<String> output2 = processor1.transform("3.14|7|2|1", new
HashMap<>());
+ Assert.assertEquals(1, output2.size());
+ Assert.assertEquals(output2.get(0), "result=7");
+
+ String transformSql2 = "select greatest(numeric1, numeric2,
greatest(numeric3, numeric4)) from source";
+ TransformConfig config2 = new TransformConfig(transformSql2);
+ TransformProcessor<String, String> processor2 = TransformProcessor
+ .create(config2,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: greatest(3.141592653589793, 3, greatest(4, 1))
+ List<String> output3 = processor2.transform("3.141592653589793|3|4|1",
new HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals(output3.get(0), "result=4");
+
+ // case: greatest(-9223372036854775808, 1, greatest(-2, 3))
+ List<String> output4 =
processor2.transform("-9223372036854775808|1|-2|3", new HashMap<>());
+ Assert.assertEquals(1, output4.size());
+ Assert.assertEquals(output4.get(0), "result=3");
+
+ String transformSql3 =
+ "select greatest(numeric1, greatest(numeric2, numeric3),
greatest(numeric4, numeric5)) from source";
+ TransformConfig config3 = new TransformConfig(transformSql3);
+ TransformProcessor<String, String> processor3 = TransformProcessor
+ .create(config3,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: greatest(1, greatest(-2, -5), greatest(3.14836, 8))
+ List<String> output5 = processor3.transform("1|-2|-5|3.14836|8", new
HashMap<>());
+ Assert.assertEquals(1, output5.size());
+ Assert.assertEquals(output5.get(0), "result=8");
+
+ String transformSql4 =
+ "select greatest(numeric1, least(numeric2, numeric3),
greatest(numeric4, numeric5)) from source";
+ TransformConfig config4 = new TransformConfig(transformSql4);
+ TransformProcessor<String, String> processor4 = TransformProcessor
+ .create(config4,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: greatest(1, least(89, 10), greatest(3.14836, 8))
+ List<String> output6 = processor4.transform("-1|89|10|3.14836|8", new
HashMap<>());
+ Assert.assertEquals(1, output6.size());
+ Assert.assertEquals(output6.get(0), "result=10");
+
+ // case: greatest(1, least(-2, ), greatest(3.14836, 8))
+ List<String> output7 = processor4.transform("1|-2||3.14836|8", new
HashMap<>());
+ Assert.assertEquals(1, output7.size());
+ Assert.assertEquals(output7.get(0), "result=");
+ }
+
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestLeastFunction.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestLeastFunction.java
new file mode 100644
index 0000000000..9fe2698bc6
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/arithmetic/TestLeastFunction.java
@@ -0,0 +1,80 @@
+/*
+ * 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 TestLeastFunction extends AbstractFunctionArithmeticTestBase {
+
+ @Test
+ public void testLeastFunction() throws Exception {
+ String transformSql1 = "select least(numeric1, least(numeric2,
numeric3, numeric4)) from source";
+ TransformConfig config1 = new TransformConfig(transformSql1);
+ TransformProcessor<String, String> processor1 = TransformProcessor
+ .create(config1,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: least(3.14, least(7, 2, 1))
+ List<String> output2 = processor1.transform("3.14|7|2|1", new
HashMap<>());
+ Assert.assertEquals(1, output2.size());
+ Assert.assertEquals(output2.get(0), "result=1");
+
+ String transformSql2 = "select least(numeric1, numeric2,
least(numeric3, numeric4)) from source";
+ TransformConfig config2 = new TransformConfig(transformSql2);
+ TransformProcessor<String, String> processor2 = TransformProcessor
+ .create(config2,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: least(3.141592653589793, 4, least(3.33, 3.4))
+ List<String> output3 =
processor2.transform("3.141592653589793|4|3.33|3.4", new HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals(output3.get(0), "result=3.141592653589793");
+
+ // case: least(-9223372036854775808, 1, least(-2, 3))
+ List<String> output4 =
processor2.transform("-9223372036854775808|1|-2|3", new HashMap<>());
+ Assert.assertEquals(1, output4.size());
+ Assert.assertEquals(output4.get(0), "result=-9223372036854775808");
+
+ String transformSql3 =
+ "select least(numeric1, least(numeric2, numeric3),
least(numeric4, numeric5)) from source";
+ TransformConfig config3 = new TransformConfig(transformSql3);
+ TransformProcessor<String, String> processor3 = TransformProcessor
+ .create(config3,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case: least(1, least(-2, -5), least(3.14836, 8))
+ List<String> output5 = processor3.transform("1|-2|-5|3.14836|8", new
HashMap<>());
+ Assert.assertEquals(1, output5.size());
+ Assert.assertEquals(output5.get(0), "result=-5");
+
+ // case: least(1, least(-2, -5), least(, 8))
+ List<String> output6 = processor3.transform("1|-2|-5||8", new
HashMap<>());
+ Assert.assertEquals(1, output6.size());
+ Assert.assertEquals(output6.get(0), "result=");
+ }
+
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/operator/TestIsBooleanOperator.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/operator/TestIsBooleanOperator.java
index 8aec150567..934618f5e2 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/operator/TestIsBooleanOperator.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/operator/TestIsBooleanOperator.java
@@ -19,18 +19,42 @@ package org.apache.inlong.sdk.transform.process.operator;
import org.apache.inlong.sdk.transform.decode.SourceDecoderFactory;
import org.apache.inlong.sdk.transform.encode.SinkEncoderFactory;
+import org.apache.inlong.sdk.transform.pojo.CsvSourceInfo;
+import org.apache.inlong.sdk.transform.pojo.FieldInfo;
+import org.apache.inlong.sdk.transform.pojo.KvSinkInfo;
import org.apache.inlong.sdk.transform.pojo.TransformConfig;
import org.apache.inlong.sdk.transform.process.TransformProcessor;
+import org.apache.inlong.sdk.transform.process.converter.BooleanConverter;
import
org.apache.inlong.sdk.transform.process.function.arithmetic.AbstractFunctionArithmeticTestBase;
import org.junit.Assert;
import org.junit.Test;
+import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class TestIsBooleanOperator extends AbstractFunctionArithmeticTestBase {
+ private static final List<FieldInfo> srcFields = new ArrayList<>();
+ private static final List<FieldInfo> dstFields = new ArrayList<>();
+ private static final CsvSourceInfo csvSource;
+ private static final KvSinkInfo kvSink;
+
+ static {
+ for (int i = 1; i < 5; i++) {
+ FieldInfo field = new FieldInfo();
+ field.setName("numeric" + i);
+ srcFields.add(field);
+ }
+ srcFields.add(new FieldInfo("booleanVal", new BooleanConverter()));
+ FieldInfo field = new FieldInfo();
+ field.setName("result");
+ dstFields.add(field);
+ csvSource = new CsvSourceInfo("UTF-8", '|', '\\', srcFields);
+ kvSink = new KvSinkInfo("UTF-8", dstFields);
+ }
+
@Test
public void testIsBooleanOperator() throws Exception {
String transformSql = null, data = null;
