[GitHub] [incubator-inlong] ywh19911024 commented on a change in pull request #2627: [INLONG-2625][Sort] Support extracting data time in deserialization

[GitBox <gi...@apache.org>]

ywh19911024 commented on a change in pull request #2627:
URL: https://github.com/apache/incubator-inlong/pull/2627#discussion_r810924722



##########
File path: inlong-sort/sort-single-tenant/src/main/java/org/apache/inlong/sort/singletenant/flink/Entrance.java
##########
@@ -121,15 +125,22 @@ private static DataFlowInfo getDataflowInfoFromFile(String fileName) throws IOEx
             SourceInfo sourceInfo,
             Configuration config
     ) throws IOException, ClassNotFoundException {
-        DeserializationSchema<Row> schema =
-                DeserializationSchemaFactory.build(sourceInfo.getFields(), sourceInfo.getDeserializationInfo());
-        DeserializationFunction function = new DeserializationFunction(schema);
+        FieldInfo[] sourceFields = sourceInfo.getFields();
+        DeserializationSchema<Row> schema = DeserializationSchemaFactory.build(
+                extractNonBuiltInFieldInfo(sourceFields), sourceInfo.getDeserializationInfo());
+        FieldMappingTransformer fieldMappingTransformer = new FieldMappingTransformer(config, sourceFields);
+        DeserializationFunction function = new DeserializationFunction(schema, fieldMappingTransformer);
         return sourceStream.process(function)
                 .uid(Constants.DESERIALIZATION_SCHEMA_UID)
                 .name("Deserialization")
                 .setParallelism(config.getInteger(Constants.DESERIALIZATION_PARALLELISM));
     }
 
+    private static FieldInfo[] extractNonBuiltInFieldInfo(FieldInfo[] fieldInfos) {
+        return Arrays.stream(fieldInfos).filter(fieldInfo -> !(fieldInfo instanceof BuiltInFieldInfo)).toArray(
+                FieldInfo[]::new);
+    }
+

Review comment:
       这个方法放到CommonUtil这个工具类中吧

##########
File path: inlong-sort/sort-single-tenant/src/main/java/org/apache/inlong/sort/singletenant/flink/deserialization/FieldMappingTransformer.java
##########
@@ -0,0 +1,155 @@
+/*
+ * 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.sort.singletenant.flink.deserialization;
+
+import org.apache.flink.types.Row;
+import org.apache.inlong.sort.configuration.Configuration;
+import org.apache.inlong.sort.configuration.Constants;
+import org.apache.inlong.sort.formats.common.FormatInfo;
+import org.apache.inlong.sort.formats.common.IntFormatInfo;
+import org.apache.inlong.sort.formats.common.LongFormatInfo;
+import org.apache.inlong.sort.formats.common.ShortFormatInfo;
+import org.apache.inlong.sort.formats.common.StringFormatInfo;
+import org.apache.inlong.sort.formats.common.TimeFormatInfo;
+import org.apache.inlong.sort.formats.common.TimestampFormatInfo;
+import org.apache.inlong.sort.protocol.BuiltInFieldInfo;
+import org.apache.inlong.sort.protocol.FieldInfo;
+
+import java.sql.Time;
+import java.sql.Timestamp;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import static org.apache.flink.shaded.guava18.com.google.common.base.Preconditions.checkNotNull;
+
+public class FieldMappingTransformer {

Review comment:
       这个类可以增加些测试case




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