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new 9021b3c475 [INLONG-11217][SDK] Transform support JSON_QUOTE() and
JSON_UNQUOTE() function (#11244)
9021b3c475 is described below
commit 9021b3c4758ba90ea3a37b6e354cf05b918b87df
Author: emptyOVO <118812562+empty...@users.noreply.github.com>
AuthorDate: Tue Oct 8 12:58:26 2024 +0800
[INLONG-11217][SDK] Transform support JSON_QUOTE() and JSON_UNQUOTE()
function (#11244)
---
.../process/function/JsonQuoteFunction.java | 62 ++++++++
.../process/function/JsonUnQuoteFunction.java | 66 ++++++++
.../function/string/TestJsonQuoteFunction.java | 176 +++++++++++++++++++++
.../function/string/TestJsonUnQuoteFunction.java | 98 ++++++++++++
4 files changed, 402 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonQuoteFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonQuoteFunction.java
new file mode 100644
index 0000000000..c0f022f9f2
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonQuoteFunction.java
@@ -0,0 +1,62 @@
+/*
+ * 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 com.alibaba.fastjson.JSON;
+import net.sf.jsqlparser.expression.Function;
+/**
+ * JsonQuoteFunction
+ * description: JSON_QUOTE(string)--Quotes a string as a JSON value by
wrapping it with double quote characters,
+ * escaping interior quote and special characters (’"’, ‘', ‘/’,
‘b’, ‘f’, ’n’, ‘r’, ’t’), and returning
+ * the result as a string. If the argument is NULL, the function
returns NULL.
+ *
+ * JSON_STRING(string)--Serializes a value into JSON. returns a
JSON string containing the serialized value.
+ * If the value is NULL, the function returns NULL.
+ *
+ * for example: json_quote('Hello, World!')--return "Hello, World!"
+ * json_quote('Complex string with / and \\')--return "Complex
string with / and \\"
+ *
+ * json_string(1)--return 1
+ * json_string(true)--return "true"
+ */
+@TransformFunction(names = {"json_quote", "json_string"})
+public class JsonQuoteFunction implements ValueParser {
+
+ private ValueParser jsonParser;
+
+ public JsonQuoteFunction(Function expr) {
+ this.jsonParser =
OperatorTools.buildParser(expr.getParameters().getExpressions().get(0));
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ if (jsonParser == null) {
+ return null;
+ }
+ Object parse = jsonParser.parse(sourceData, rowIndex, context);
+ if (parse == null) {
+ return null;
+ }
+ return JSON.toJSONString(parse);
+ }
+}
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonUnQuoteFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonUnQuoteFunction.java
new file mode 100644
index 0000000000..2c7d60069e
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/JsonUnQuoteFunction.java
@@ -0,0 +1,66 @@
+/*
+ * 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 com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONException;
+import net.sf.jsqlparser.expression.Function;
+/**
+ * JsonUnQuoteFunction
+ * description: JSON_UNQUOTE(string)--Unquotes JSON value, unescapes escaped
special characters (’"’, ‘', ‘/’, ‘b’,
+ * ‘f’, ’n’, ‘r’, ’t’, ‘u’ hex hex hex hex), and returns the
result as a string. If the argument is NULL,
+ * returns NULL. If the value does not start and end with double
quotes or if it starts and ends with double
+ * quotes but is not a valid JSON string literal, the value is
passed through unmodified.
+ * for example: json_unquote('Hello, World!')--return "Hello, World!"
+ * json_unquote('Complex string with / and \\')--return "Complex
string with / and \\"
+ */
+@TransformFunction(names = {"json_unquote"})
+public class JsonUnQuoteFunction implements ValueParser {
+
+ private ValueParser jsonParser;
+
+ public JsonUnQuoteFunction(Function expr) {
+ this.jsonParser =
OperatorTools.buildParser(expr.getParameters().getExpressions().get(0));
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ if (jsonParser == null) {
+ return null;
+ }
+ String jsonString =
OperatorTools.parseString(jsonParser.parse(sourceData, rowIndex, context));
+ if (jsonString == null) {
+ return null;
+ }
+ if (jsonString.length() < 2 || jsonString.charAt(0) != '"'
+ || jsonString.charAt(jsonString.length() - 1) != '"') {
+ return jsonString;
+ }
+ try {
+ return JSON.parseObject(jsonString, String.class);
+ } catch (JSONException e) {
+ return jsonString;
+ }
+ }
+
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonQuoteFunction.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonQuoteFunction.java
new file mode 100644
index 0000000000..ee5f2c948a
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonQuoteFunction.java
@@ -0,0 +1,176 @@
+/*
+ * 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.string;
+
+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 TestJsonQuoteFunction extends AbstractFunctionStringTestBase {
+
+ @Test
+ public void testJsonQuoteFunction() throws Exception {
+ String transformSql = null, data = null;
+ TransformConfig config = null;
+ TransformProcessor<String, String> processor = null;
+ List<String> output = null;
+
+ transformSql = "select json_quote(string1) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: json_quote('Hello, World!')
+ data = "Hello, World!|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Hello, World!\"", output.get(0));
+
+ // case2: json_quote('This is a "quoted" string')
+ data = "This is a \"quoted\" string|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"This is a quoted string\"",
output.get(0));
+
+ // case3: json_quote('A back\slash:')
+ data = "A back\\slash:|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"A backslash:\"", output.get(0));
+
+ // case4: json_quote('Column1\tColumn2)
+ data = "Column1\tColumn2|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Column1\\tColumn2\"", output.get(0));
+
+ // case5: json_quote('Quotes ' and double quotes \"')
+ data = "Quotes ' and double quotes \\\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Quotes ' and double quotes \\\"\"",
output.get(0));
+
+ // case6: json_quote(null)
+ data = "|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"\"", output.get(0));
+
+ // case7: json_quote('Complex string with / and \\')
+ data = "Complex string with / and \\\\";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Complex string with / and \\\\\"",
output.get(0));
+
+ // case8: json_quote('Unicode test: ሴ噸')
+ data = "Unicode test: ሴ噸|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Unicode test: ሴ噸\"", output.get(0));
+
+ transformSql = "select json_quote(xxd) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case9: json_quote()
+ data = "|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=", output.get(0));
+ }
+
+ @Test
+ public void testJsonStringFunction() throws Exception {
+ String transformSql = null, data = null;
+ TransformConfig config = null;
+ TransformProcessor<String, String> processor = null;
+ List<String> output = null;
+
+ transformSql = "select json_string(string1) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: json_string('true')
+ data = "true|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"true\"", output.get(0));
+
+ // case2: json_string('This is a "quoted" string')
+ data = "This is a \"quoted\" string|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"This is a quoted string\"",
output.get(0));
+
+ // case3: json_string('A back\slash:')
+ data = "A back\\slash:|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"A backslash:\"", output.get(0));
+
+ // case4: json_string('Column1\tColumn2)
+ data = "Column1\tColumn2|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Column1\\tColumn2\"", output.get(0));
+
+ // case5: json_string('Quotes ' and double quotes \"')
+ data = "Quotes ' and double quotes \\\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Quotes ' and double quotes \\\"\"",
output.get(0));
+
+ // case6: json_string(null)
+ data = "|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"\"", output.get(0));
+
+ // case7: json_string('Complex string with / and \\')
+ data = "Complex string with / and \\\\";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Complex string with / and \\\\\"",
output.get(0));
+
+ // case8: json_string('Unicode test: ሴ噸')
+ data = "Unicode test: ሴ噸|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=\"Unicode test: ሴ噸\"", output.get(0));
+
+ transformSql = "select json_quote(xxd) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case9: json_string()
+ data = "|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=", output.get(0));
+ }
+}
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonUnQuoteFunction.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonUnQuoteFunction.java
new file mode 100644
index 0000000000..98c1774715
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/string/TestJsonUnQuoteFunction.java
@@ -0,0 +1,98 @@
+/*
+ * 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.string;
+
+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 TestJsonUnQuoteFunction extends AbstractFunctionStringTestBase {
+
+ @Test
+ public void testJsonUnQuoteFunction() throws Exception {
+ String transformSql = null, data = null;
+ TransformConfig config = null;
+ TransformProcessor<String, String> processor = null;
+ List<String> output = null;
+
+ transformSql = "select json_unquote(string1) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: json_unquote('Hello, World!')
+ data = "\"Hello, World!\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=Hello, World!", output.get(0));
+
+ // case2: json_unquote('3.5')
+ data = "\"This is a 'quoted' string\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=This is a 'quoted' string", output.get(0));
+
+ // case3: is_digit('35')
+ data = "\"A back\\slash:\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=A back\\slash:", output.get(0));
+
+ // case4: is_digit('')
+ data = "\"Column1\tColumn2\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=Column1\tColumn2", output.get(0));
+
+ // case4: is_digit('')
+ data = "\"Quotes ' and double quotes \\\"\\\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=Quotes ' and double quotes \\\"",
output.get(0));
+
+ // case4: is_digit('')
+ data = "\"Complex string with / and \\\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=Complex string with / and \\",
output.get(0));
+
+ // case4: is_digit('')
+ data = "\"Unicode test: ሴ噸\"|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=Unicode test: ሴ噸", output.get(0));
+
+ transformSql = "select json_unquote(xxd) from source";
+ config = new TransformConfig(transformSql);
+ processor = TransformProcessor
+ .create(config,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case5: json_unquote()
+ data = "|xxd|cloud|7|3|3";
+ output = processor.transform(data, new HashMap<>());
+ Assert.assertEquals(1, output.size());
+ Assert.assertEquals("result=", output.get(0));
+ }
+}
