[
https://issues.apache.org/jira/browse/HIVE-26102?focusedWorklogId=752930&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-752930
]
ASF GitHub Bot logged work on HIVE-26102:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Apr/22 14:46
Start Date: 05/Apr/22 14:46
Worklog Time Spent: 10m
Work Description: marton-bod commented on code in PR #3131:
URL: https://github.com/apache/hive/pull/3131#discussion_r842875835
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergDeleteWriter.java:
##########
@@ -0,0 +1,81 @@
+/*
+ * 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.iceberg.mr.hive;
+
+import java.io.IOException;
+import java.util.List;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.mapred.TaskAttemptID;
+import org.apache.iceberg.DeleteFile;
+import org.apache.iceberg.FileFormat;
+import org.apache.iceberg.PartitionSpec;
+import org.apache.iceberg.Schema;
+import org.apache.iceberg.data.Record;
+import org.apache.iceberg.deletes.PositionDelete;
+import org.apache.iceberg.io.ClusteredPositionDeleteWriter;
+import org.apache.iceberg.io.FileIO;
+import org.apache.iceberg.io.FileWriterFactory;
+import org.apache.iceberg.io.OutputFileFactory;
+import org.apache.iceberg.mr.mapred.Container;
+import org.apache.iceberg.util.Tasks;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HiveIcebergDeleteWriter extends HiveIcebergWriter {
+ private static final Logger LOG =
LoggerFactory.getLogger(HiveIcebergDeleteWriter.class);
+
+ private final ClusteredPositionDeleteWriter<Record> innerWriter;
+
+ HiveIcebergDeleteWriter(Schema schema, PartitionSpec spec, FileFormat
fileFormat,
+ FileWriterFactory<Record> writerFactory, OutputFileFactory fileFactory,
FileIO io, long targetFileSize,
+ TaskAttemptID taskAttemptID, String tableName) {
+ super(schema, spec, io, taskAttemptID, tableName, true);
+ this.innerWriter = new ClusteredPositionDeleteWriter<>(writerFactory,
fileFactory, io, fileFormat, targetFileSize);
+ }
+
+ @Override
+ public void write(Writable row) throws IOException {
+ Record rec = ((Container<Record>) row).get();
+ PositionDelete<Record> positionDelete =
IcebergAcidUtil.getPositionDelete(spec.schema(), rec);
+ innerWriter.write(positionDelete, spec, partition(positionDelete.row()));
+ }
+
+ @Override
+ public void close(boolean abort) throws IOException {
+ innerWriter.close();
+ List<DeleteFile> deleteFiles = deleteFiles();
+
+ // If abort then remove the unnecessary files
+ if (abort) {
+ Tasks.foreach(deleteFiles)
+ .retry(3)
+ .suppressFailureWhenFinished()
+ .onFailure((file, exception) -> LOG.debug("Failed on to remove
delete file {} on abort", file, exception))
+ .run(deleteFile -> io.deleteFile(deleteFile.path().toString()));
+ }
+
+ LOG.info("IcebergDeleteWriter is closed with abort={}. Created {} files",
abort, deleteFiles.size());
+ }
+
+ @Override
+ public List<DeleteFile> deleteFiles() {
Review Comment:
That's a good idea. We can use this signature I think: `public List<?
extends ContentFile> files()`
Issue Time Tracking
-------------------
Worklog Id: (was: 752930)
Time Spent: 4.5h (was: 4h 20m)
> Implement DELETE statements for Iceberg tables
> ----------------------------------------------
>
> Key: HIVE-26102
> URL: https://issues.apache.org/jira/browse/HIVE-26102
> Project: Hive
> Issue Type: New Feature
> Reporter: Marton Bod
> Assignee: Marton Bod
> Priority: Major
> Labels: pull-request-available
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
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