Package org.apache.hive.hcatalog.mapreduce

Examples of org.apache.hive.hcatalog.mapreduce.OutputJobInfo

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      if (crd != null) {
        job.getCredentials().addAll(crd);
      }
    } else {
      Job clone = new Job(job.getConfiguration());
      OutputJobInfo outputJobInfo;
      if (userStr.length == 2) {
        outputJobInfo = OutputJobInfo.create(userStr[0], userStr[1], partitions);
      } else if (userStr.length == 1) {
        outputJobInfo = OutputJobInfo.create(null, userStr[0], partitions);
      } else {
        throw new FrontendException("location " + location
          + " is invalid. It must be of the form [db.]table",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      Schema schema = (Schema) ObjectSerializer.deserialize(udfProps.getProperty(PIG_SCHEMA));
      if (schema != null) {
        pigSchema = schema;
      }
      if (pigSchema == null) {
        throw new FrontendException(
          "Schema for data cannot be determined.",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      String externalLocation = (String) udfProps.getProperty(HCatConstants.HCAT_PIG_STORER_EXTERNAL_LOCATION);
      if (externalLocation != null) {
        outputJobInfo.setLocation(externalLocation);
      }
      try {
        HCatOutputFormat.setOutput(job, outputJobInfo);
      } catch (HCatException he) {
        // pass the message to the user - essentially something about
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    super(config, sp);
  }

  @Override
  public WriterContext prepareWrite() throws HCatException {
    OutputJobInfo jobInfo = OutputJobInfo.create(we.getDbName(),
      we.getTableName(), we.getPartitionKVs());
    Job job;
    try {
      job = new Job(conf);
      HCatOutputFormat.setOutput(job, jobInfo);
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    HCatWriterMapper.setWrittenRecordCount(0);

    FileInputFormat.setInputPaths(job, path);
    job.setInputFormatClass(TextInputFormat.class);
    job.setOutputFormatClass(HCatOutputFormat.class);
    OutputJobInfo outputJobInfo = OutputJobInfo.create(dbName, tableName,
      partKeyMap);

    HCatOutputFormat.setOutput(job, outputJobInfo);
    HCatOutputFormat.setSchema(job, tblSchema);
    job.setMapOutputKeyClass(BytesWritable.class);
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    super(((WriterContextImpl)cntxt).getConf(), sp);
  }

  @Override
  public WriterContext prepareWrite() throws HCatException {
    OutputJobInfo jobInfo = OutputJobInfo.create(we.getDbName(),
      we.getTableName(), we.getPartitionKVs());
    Job job;
    try {
      job = new Job(conf);
      HCatOutputFormat.setOutput(job, jobInfo);
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      if (crd != null) {
        job.getCredentials().addAll(crd);
      }
    } else {
      Job clone = new Job(job.getConfiguration());
      OutputJobInfo outputJobInfo;
      if (userStr.length == 2) {
        outputJobInfo = OutputJobInfo.create(userStr[0], userStr[1], partitions);
      } else if (userStr.length == 1) {
        outputJobInfo = OutputJobInfo.create(null, userStr[0], partitions);
      } else {
        throw new FrontendException("location " + location
          + " is invalid. It must be of the form [db.]table",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      Schema schema = (Schema) ObjectSerializer.deserialize(udfProps.getProperty(PIG_SCHEMA));
      if (schema != null) {
        pigSchema = schema;
      }
      if (pigSchema == null) {
        throw new FrontendException(
          "Schema for data cannot be determined.",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      String externalLocation = (String) udfProps.getProperty(HCatConstants.HCAT_PIG_STORER_EXTERNAL_LOCATION);
      if (externalLocation != null) {
        outputJobInfo.setLocation(externalLocation);
      }
      try {
        HCatOutputFormat.setOutput(job, outputJobInfo);
      } catch (HCatException he) {
        // pass the message to the user - essentially something about
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    job.set(HBaseSerDe.HBASE_TABLE_NAME,tableName);
    job.set(TableOutputFormat.OUTPUT_TABLE, tableName);
    job.set(HCatConstants.HCAT_DEFAULT_TOPIC_PREFIX+".hbase.mapreduce.outputTableName", tableName);

    try {
      OutputJobInfo outputJobInfo = OutputJobInfo.create("default", tableName, null);
      job.set(HCatConstants.HCAT_KEY_OUTPUT_INFO,
          HCatUtil.serialize(outputJobInfo));
    } catch (Exception ex) {
      throw new IOException("Serialization error " + ex.getMessage(), ex);
    }
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      os.close();
    }

    //create job
    Path workingDir = new Path(methodTestDir, "mr_work");
    OutputJobInfo outputJobInfo = OutputJobInfo.create(databaseName,
        tableName, null);

    Job job = configureJob(testName, conf, workingDir, MapHCatWrite.class,
        outputJobInfo, inputPath);
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  public static class MapHCatWrite extends Mapper<LongWritable, Text, BytesWritable, HCatRecord> {

    @Override
    public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
      OutputJobInfo jobInfo = (OutputJobInfo)HCatUtil.deserialize(context.getConfiguration().get(HCatConstants.HCAT_KEY_OUTPUT_INFO));
      HCatRecord record = new DefaultHCatRecord(3);
      HCatSchema schema = jobInfo.getOutputSchema();
      String vals[] = value.toString().split(",");
      record.setInteger("key",schema,Integer.parseInt(vals[0]));
      for(int i=1;i<vals.length;i++) {
        String pair[] = vals[i].split(":");
        record.set(pair[0],schema,pair[1]);
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      if (crd != null) {
        job.getCredentials().addAll(crd);
      }
    } else {
      Job clone = new Job(job.getConfiguration());
      OutputJobInfo outputJobInfo;
      if (userStr.length == 2) {
        outputJobInfo = OutputJobInfo.create(userStr[0], userStr[1], partitions);
      } else if (userStr.length == 1) {
        outputJobInfo = OutputJobInfo.create(null, userStr[0], partitions);
      } else {
        throw new FrontendException("location " + location
          + " is invalid. It must be of the form [db.]table",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      Schema schema = (Schema) ObjectSerializer.deserialize(udfProps.getProperty(PIG_SCHEMA));
      if (schema != null) {
        pigSchema = schema;
      }
      if (pigSchema == null) {
        throw new FrontendException(
          "Schema for data cannot be determined.",
          PigHCatUtil.PIG_EXCEPTION_CODE);
      }
      String externalLocation = (String) udfProps.getProperty(HCatConstants.HCAT_PIG_STORER_EXTERNAL_LOCATION);
      if (externalLocation != null) {
        outputJobInfo.setLocation(externalLocation);
      }
      try {
        HCatOutputFormat.setOutput(job, outputJobInfo);
      } catch (HCatException he) {
        // pass the message to the user - essentially something about
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    super(((WriterContextImpl)cntxt).getConf(), sp);
  }

  @Override
  public WriterContext prepareWrite() throws HCatException {
    OutputJobInfo jobInfo = OutputJobInfo.create(we.getDbName(),
      we.getTableName(), we.getPartitionKVs());
    Job job;
    try {
      job = new Job(conf);
      HCatOutputFormat.setOutput(job, jobInfo);
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Related Classes of org.apache.hive.hcatalog.mapreduce.OutputJobInfo

  • org.apache.hive.hcatalog.data.transfer.impl.HCatOutputFormatWriter
  • org.apache.hive.hcatalog.hbase.TestHiveHBaseTableOutputFormat
  • org.apache.hive.hcatalog.hbase.TestHiveHBaseTableOutputFormat$MapHCatWrite
  • org.apache.hive.hcatalog.pig.HCatStorer
  • org.apache.sqoop.hcat.HCatalogTestUtils
  • java.util.Properties
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