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From jackylk <...@git.apache.org>
Subject [GitHub] carbondata pull request #1642: [CARBONDATA-1855][PARTITION] Added outputform...
Date Fri, 15 Dec 2017 06:38:38 GMT
Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1642#discussion_r157132129
  
    --- Diff: hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonOutputCommitter.java
---
    @@ -0,0 +1,101 @@
    +/*
    + * 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.carbondata.hadoop.api;
    +
    +import java.io.IOException;
    +
    +import org.apache.carbondata.core.statusmanager.LoadMetadataDetails;
    +import org.apache.carbondata.core.statusmanager.SegmentStatus;
    +import org.apache.carbondata.core.util.CarbonUtil;
    +import org.apache.carbondata.processing.loading.model.CarbonLoadModel;
    +import org.apache.carbondata.processing.util.CarbonLoaderUtil;
    +
    +import org.apache.hadoop.fs.Path;
    +import org.apache.hadoop.mapreduce.JobContext;
    +import org.apache.hadoop.mapreduce.JobStatus;
    +import org.apache.hadoop.mapreduce.TaskAttemptContext;
    +import org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter;
    +
    +/**
    + * Outputcommitter which manages the segments during loading.
    + */
    +public class CarbonOutputCommitter extends FileOutputCommitter {
    +
    +  public CarbonOutputCommitter(Path outputPath, TaskAttemptContext context) throws IOException
{
    +    super(outputPath, context);
    +  }
    +
    +  /**
    +   * Update the tablestatus with inprogress while setup the job.
    +   *
    +   * @param context
    +   * @throws IOException
    +   */
    +  @Override public void setupJob(JobContext context) throws IOException {
    +    super.setupJob(context);
    +    boolean overwriteSet = CarbonTableOutputFormat.isOverwriteSet(context.getConfiguration());
    +    CarbonLoadModel loadModel = CarbonTableOutputFormat.getLoadModel(context.getConfiguration());
    +    try {
    +      CarbonLoaderUtil.readAndUpdateLoadProgressInTableMeta(loadModel, overwriteSet);
    +    } catch (InterruptedException e) {
    +      throw new IOException(e);
    +    }
    +    CarbonTableOutputFormat.setLoadModel(context.getConfiguration(), loadModel);
    +  }
    +
    +  /**
    +   * Update the tablestatus as success after job is success
    +   *
    +   * @param context
    +   * @throws IOException
    +   */
    +  @Override public void commitJob(JobContext context) throws IOException {
    +    super.commitJob(context);
    +    boolean overwriteSet = CarbonTableOutputFormat.isOverwriteSet(context.getConfiguration());
    +    CarbonLoadModel loadModel = CarbonTableOutputFormat.getLoadModel(context.getConfiguration());
    +    try {
    +      LoadMetadataDetails newMetaEntry =
    +          loadModel.getLoadMetadataDetails().get(loadModel.getLoadMetadataDetails().size()
- 1);
    +      CarbonLoaderUtil.populateNewLoadMetaEntry(newMetaEntry, SegmentStatus.SUCCESS,
    +          loadModel.getFactTimeStamp(), true);
    +      CarbonUtil.addDataIndexSizeIntoMetaEntry(newMetaEntry, loadModel.getSegmentId(),
    +          loadModel.getCarbonDataLoadSchema().getCarbonTable());
    +      CarbonLoaderUtil.recordNewLoadMetadata(newMetaEntry, loadModel, false, overwriteSet);
    +    } catch (InterruptedException e) {
    --- End diff --
    
    This can be removed


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