From f35ab6f619004fac58a06f79b98e681e778622f0 Mon Sep 17 00:00:00 2001 From: Xincheng Huang <60057611+ying-hua@users.noreply.github.com> Date: Thu, 29 Aug 2024 20:19:44 +0800 Subject: [PATCH] [INLONG-10934][SDK] Transform support LocalDate function (#10951) --- .../process/function/LocalDateFunction.java | 56 +++++++++++++++++++ ...stTransformTemporalFunctionsProcessor.java | 42 ++++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalDateFunction.java diff --git a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalDateFunction.java b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalDateFunction.java new file mode 100644 index 00000000000..ba2d909d95c --- /dev/null +++ b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/LocalDateFunction.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.Function; + +import java.time.LocalDate; +import java.time.ZoneId; + +/** + * LocalDateFunction + * description: + * localDate([string1]) returns the current date in the specified time zone. + * (by default: the current date in the system time zone) + */ +@TransformFunction(names = {"localdate", "currentdate", "current_date", "curdate"}) +public class LocalDateFunction implements ValueParser { + + private ValueParser stringParser; + + public LocalDateFunction(Function expr) { + if (expr.getParameters() != null) { + stringParser = OperatorTools.buildParser(expr.getParameters().getExpressions().get(0)); + } + } + + @Override + public Object parse(SourceData sourceData, int rowIndex, Context context) { + if (stringParser != null) { + String zoneString = OperatorTools.parseString(stringParser.parse(sourceData, rowIndex, context)); + return LocalDate.now(ZoneId.of(zoneString)); + } else { + return LocalDate.now(ZoneId.systemDefault()); + } + } +} \ No newline at end of file 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 e0830dd72e5..354b8b7f185 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 @@ -29,6 +29,7 @@ import org.junit.Test; import java.time.Duration; +import java.time.LocalDate; import java.time.LocalTime; import java.time.ZoneId; import java.time.format.DateTimeFormatter; @@ -421,6 +422,47 @@ public void testLocalTimeFunction() throws Exception { Assert.assertTrue(duration3.getSeconds() < 1); } + @Test + public void testLocalDateFunction() throws Exception { + DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd"); + + // case1: localDate() - default system time zone + String transformSql1 = "select localdate() from source"; + TransformConfig config1 = new TransformConfig(transformSql1); + TransformProcessor processor1 = TransformProcessor + .create(config1, SourceDecoderFactory.createCsvDecoder(csvSource), + SinkEncoderFactory.createKvEncoder(kvSink)); + List output1 = processor1.transform("", new HashMap<>()); + LocalDate expectedDate1 = LocalDate.now(ZoneId.systemDefault()); + LocalDate actualDate1 = LocalDate.parse(output1.get(0).split("=")[1], formatter); + Assert.assertEquals(1, output1.size()); + Assert.assertEquals(expectedDate1, actualDate1); + + // case2: localDate("UTC") + String transformSql2 = "select localdate('UTC') from source"; + TransformConfig config2 = new TransformConfig(transformSql2); + TransformProcessor processor2 = TransformProcessor + .create(config2, SourceDecoderFactory.createCsvDecoder(csvSource), + SinkEncoderFactory.createKvEncoder(kvSink)); + List output2 = processor2.transform("", new HashMap<>()); + LocalDate expectedDate2 = LocalDate.now(ZoneId.of("UTC")); + LocalDate actualDate2 = LocalDate.parse(output2.get(0).split("=")[1], formatter); + Assert.assertEquals(1, output2.size()); + Assert.assertEquals(expectedDate2, actualDate2); + + // case3: localDate("UTC-12") + String transformSql3 = "select localdate('UTC-12') from source"; + TransformConfig config3 = new TransformConfig(transformSql3); + TransformProcessor processor3 = TransformProcessor + .create(config3, SourceDecoderFactory.createCsvDecoder(csvSource), + SinkEncoderFactory.createKvEncoder(kvSink)); + List output3 = processor3.transform("", new HashMap<>()); + LocalDate expectedDate3 = LocalDate.now(ZoneId.of("UTC-12")); + LocalDate actualDate3 = LocalDate.parse(output3.get(0).split("=")[1], formatter); + Assert.assertEquals(1, output3.size()); + Assert.assertEquals(expectedDate3, actualDate3); + } + @Test public void testTimestampAdd() throws Exception { String transformSql1 = "select timestamp_add('day',string2,string1) from source";