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new 389b41d81b [INLONG-10879][SDK] Transform support TIMESTAMPADD()
function (#10880)
389b41d81b is described below
commit 389b41d81b644ef3899117714ac09f144f2b1b1c
Author: Zkplo <[email protected]>
AuthorDate: Wed Aug 28 14:12:35 2024 +0800
[INLONG-10879][SDK] Transform support TIMESTAMPADD() function (#10880)
---
.../process/function/TimestampAddFunction.java | 117 +++++++++++++++++++++
.../transform/process/operator/OperatorTools.java | 2 +
.../TestTransformTemporalFunctionsProcessor.java | 40 +++++++
3 files changed, 159 insertions(+)
diff --git
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
new file mode 100644
index 0000000000..e09512cdfd
--- /dev/null
+++
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
@@ -0,0 +1,117 @@
+/*
+ * 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.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+
+/**
+ * TimestampAddFunction
+ * Description: Add integer expression intervals to the date or date time
expression expr.
+ * The unit of the time interval is specified by the unit parameter, which
should be one of the following values:
+ * FRAC_SECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR.
+ */
+public class TimestampAddFunction implements ValueParser {
+
+ private ValueParser intervalParser;
+ private ValueParser amountParser;
+ private ValueParser datetimeParser;
+ private static final DateTimeFormatter DEFAULT_FORMAT_DATE_TIME =
+ DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+ private static final DateTimeFormatter DEFAULT_FORMAT_DATE =
DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
+ public TimestampAddFunction(Function expr) {
+ List<Expression> expressions = expr.getParameters().getExpressions();
+ intervalParser = OperatorTools.buildParser(expressions.get(0));
+ amountParser = OperatorTools.buildParser(expressions.get(1));
+ datetimeParser = OperatorTools.buildParser(expressions.get(2));
+ }
+
+ @Override
+ public Object parse(SourceData sourceData, int rowIndex, Context context) {
+ String interval = intervalParser.parse(sourceData, rowIndex,
context).toString();
+ Long amount = Long.parseLong(amountParser.parse(sourceData, rowIndex,
context).toString());
+ String dateString = datetimeParser.parse(sourceData, rowIndex,
context).toString();
+ return evalDate(dateString, interval, amount);
+ }
+
+ private String evalDate(String dateString, String interval, Long amount) {
+ DateTimeFormatter formatter = null;
+ LocalDateTime dateTime = null;
+ boolean hasTime = true;
+ if (dateString.indexOf(' ') != -1) {
+ formatter = DEFAULT_FORMAT_DATE_TIME;
+ dateTime = LocalDateTime.parse(dateString, formatter);
+ } else {
+ formatter = DEFAULT_FORMAT_DATE;
+ dateTime = LocalDate.parse(dateString, formatter).atStartOfDay();
+ hasTime = false;
+ }
+
+ switch (interval.toUpperCase()) {
+ case "FRAC_SECOND":
+ hasTime = true;
+ dateTime = dateTime.plusNanos(amount * 1000_000);
+ break;
+ case "SECOND":
+ hasTime = true;
+ dateTime = dateTime.plusSeconds(amount);
+ break;
+ case "MINUTE":
+ hasTime = true;
+ dateTime = dateTime.plusMinutes(amount);
+ break;
+ case "HOUR":
+ hasTime = true;
+ dateTime = dateTime.plusHours(amount);
+ break;
+ case "DAY":
+ dateTime = dateTime.plusDays(amount);
+ break;
+ case "WEEK":
+ dateTime = dateTime.plusWeeks(amount);
+ break;
+ case "MONTH":
+ dateTime = dateTime.plusMonths(amount);
+ break;
+ case "QUARTER":
+ dateTime = dateTime.plusMonths(amount * 3);
+ break;
+ case "YEAR":
+ dateTime = dateTime.plusYears(amount);
+ break;
+ }
+
+ String result = dateTime.toLocalDate().toString();
+ if (hasTime) {
+ result += " " +
dateTime.toLocalTime().format(DateTimeFormatter.ofPattern("HH:mm:ss"));
+ }
+
+ return result;
+ }
+}
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 029089c646..66c59a888b 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
@@ -53,6 +53,7 @@ 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.TimestampAddFunction;
import
org.apache.inlong.sdk.transform.process.function.TimestampExtractFunction;
import org.apache.inlong.sdk.transform.process.function.ToBase64Function;
import org.apache.inlong.sdk.transform.process.function.ToDateFunction;
@@ -175,6 +176,7 @@ public class OperatorTools {
functionMap.put("replace", ReplaceFunction::new);
functionMap.put("left", LeftFunction::new);
functionMap.put("right", RightFunction::new);
+ functionMap.put("timestampadd", TimestampAddFunction::new);
}
public static ExpressionOperator buildOperator(Expression expr) {
diff --git
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
index 67027c4b25..6ccfc357b3 100644
---
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
+++
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/TestTransformTemporalFunctionsProcessor.java
@@ -47,6 +47,7 @@ public class TestTransformTemporalFunctionsProcessor {
private static final List<FieldInfo> dstFields = new ArrayList<>();
private static final CsvSourceInfo csvSource;
private static final KvSinkInfo kvSink;
+
static {
for (int i = 1; i < 4; i++) {
FieldInfo field = new FieldInfo();
@@ -409,4 +410,43 @@ public class TestTransformTemporalFunctionsProcessor {
Assert.assertEquals(1, output3.size());
Assert.assertTrue(duration3.getSeconds() < 1);
}
+
+ @Test
+ public void testTimestampAdd() throws Exception {
+ String transformSql1 = "select timestampadd('day',string2,string1)
from source";
+ TransformConfig config1 = new TransformConfig(transformSql1);
+ TransformProcessor<String, String> processor1 = TransformProcessor
+ .create(config1,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+ // case1: timestampadd('day',3,'1970-01-01')
+ List<String> output1 = processor1.transform("1970-01-01|3", new
HashMap<>());
+ Assert.assertEquals(1, output1.size());
+ Assert.assertEquals("result=1970-01-04", output1.get(0));
+
+ // case2: timestampadd('day',-3,'1970-01-01 00:00:44')
+ List<String> output2 = processor1.transform("1970-01-01 00:00:44|-3",
new HashMap<>());
+ Assert.assertEquals(1, output2.size());
+ Assert.assertEquals("result=1969-12-29 00:00:44", output2.get(0));
+
+ String transformSql2 = "select timestampadd('MINUTE',string2,string1)
from source";
+ TransformConfig config2 = new TransformConfig(transformSql2);
+ TransformProcessor<String, String> processor2 = TransformProcessor
+ .create(config2,
SourceDecoderFactory.createCsvDecoder(csvSource),
+ SinkEncoderFactory.createKvEncoder(kvSink));
+
+ // case3: timestampadd('MINUTE',3,'1970-01-01 00:00:44')
+ List<String> output3 = processor2.transform("1970-01-01 00:00:44|3",
new HashMap<>());
+ Assert.assertEquals(1, output3.size());
+ Assert.assertEquals("result=1970-01-01 00:03:44", output3.get(0));
+
+ // case4: timestampadd('MINUTE',-3,'1970-01-01 00:00:44')
+ List<String> output4 = processor2.transform("1970-01-01 00:00:44|-3",
new HashMap<>());
+ Assert.assertEquals(1, output4.size());
+ Assert.assertEquals("result=1969-12-31 23:57:44", output4.get(0));
+
+ // case5: timestampadd('MINUTE',-3,'1970-01-01')
+ List<String> output5 = processor2.transform("1970-01-01|-3", new
HashMap<>());
+ Assert.assertEquals(1, output5.size());
+ Assert.assertEquals("result=1969-12-31 23:57:00", output5.get(0));
+ }
}
