Package org.apache.hcatalog.mapreduce

Examples of org.apache.hcatalog.mapreduce.InputJobInfo

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    //Configure projection schema
    job.set(HCatConstants.HCAT_KEY_OUTPUT_SCHEMA, HCatUtil.serialize(getProjectionSchema()));
    Job newJob = new Job(job);
    HCatInputFormat.setInput(newJob, MetaStoreUtils.DEFAULT_DATABASE_NAME, tableName);
    String inputJobString = newJob.getConfiguration().get(HCatConstants.HCAT_KEY_JOB_INFO);
    InputJobInfo info = (InputJobInfo) HCatUtil.deserialize(inputJobString);
    job.set(HCatConstants.HCAT_KEY_JOB_INFO, inputJobString);
    for (PartInfo partinfo : info.getPartitions()) {
      for (Entry<String, String> entry : partinfo.getJobProperties().entrySet())
        job.set(entry.getKey(), entry.getValue());
    }
    assertEquals("testFamily:testQualifier1", job.get(TableInputFormat.SCAN_COLUMNS));
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    Job job = new Job(conf);
    Properties properties = new Properties();
    properties.setProperty(HBaseConstants.PROPERTY_TABLE_SNAPSHOT_KEY, "dummysnapshot");
    HCatInputFormat.setInput(job, databaseName, tableName).setProperties(properties);
    String modifiedInputInfo = job.getConfiguration().get(HCatConstants.HCAT_KEY_JOB_INFO);
    InputJobInfo inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);

    Map<String, Long> revMap = new HashMap<String, Long>();
    revMap.put("cf1", 3L);
    revMap.put("cf2", 5L);
    TableSnapshot hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap, -1);
    HCatTableSnapshot hcatSnapshot = HBaseRevisionManagerUtil.convertSnapshot(hbaseSnapshot, inputInfo.getTableInfo());

    assertEquals(hcatSnapshot.getRevision("value1"), 3);
    assertEquals(hcatSnapshot.getRevision("value2"), 5);

    String dropTable = "DROP TABLE " + fullyQualTableName;
    cmdResponse = hcatDriver.run(dropTable);
    assertEquals(0, cmdResponse.getResponseCode());

    tableName = newTableName("mytableTwo");
    fullyQualTableName = databaseName + "." + tableName;
    tableQuery = "CREATE TABLE " + fullyQualTableName
      + "(key string, value1 string, value2 string) STORED BY " +
      "'org.apache.hcatalog.hbase.HBaseHCatStorageHandler'"
      + "TBLPROPERTIES ('hbase.columns.mapping'=':key,cf1:q1,cf1:q2')";
    cmdResponse = hcatDriver.run(tableQuery);
    assertEquals(0, cmdResponse.getResponseCode());
    revMap.clear();
    revMap.put("cf1", 3L);
    hbaseSnapshot = new TableSnapshot(fullyQualTableName, revMap, -1);
    HCatInputFormat.setInput(job, databaseName, tableName).setProperties(properties);
    modifiedInputInfo = job.getConfiguration().get(HCatConstants.HCAT_KEY_JOB_INFO);
    inputInfo = (InputJobInfo) HCatUtil.deserialize(modifiedInputInfo);
    hcatSnapshot = HBaseRevisionManagerUtil.convertSnapshot(hbaseSnapshot, inputInfo.getTableInfo());
    assertEquals(hcatSnapshot.getRevision("value1"), 3);
    assertEquals(hcatSnapshot.getRevision("value2"), 3);

    dropTable = "DROP TABLE " + fullyQualTableName;
    cmdResponse = hcatDriver.run(dropTable);
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      }
      properties = partitionDescMap.get(split.getPath().getParent().toUri().toString())
          .getTableDesc().getProperties();
    } else if (job.get(HCatConstants.HCAT_KEY_JOB_INFO, null) != null) {
      // Running as an HCatalog query. Use InputJobInfo for metadata.
      InputJobInfo inputJobInfo = (InputJobInfo) HCatUtil.deserialize(
          job.get(HCatConstants.HCAT_KEY_JOB_INFO));
      properties = inputJobInfo.getTableInfo().getStorerInfo().getProperties();
    }

    if (properties != null) {
      thriftClassName = properties.getProperty(Constants.SERIALIZATION_CLASS);
    }
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Related Classes of org.apache.hcatalog.mapreduce.InputJobInfo

  • com.twitter.elephantbird.mapred.input.HiveMultiInputFormat
  • org.apache.giraph.io.hcatalog.GiraphHCatInputFormat
  • org.apache.giraph.io.hcatalog.HCatGiraphRunner
  • org.apache.hcatalog.data.transfer.impl.HCatInputFormatReader
  • org.apache.hcatalog.hbase.HBaseHCatStorageHandler
  • org.apache.hcatalog.hbase.HBaseInputFormat
  • org.apache.hcatalog.hbase.HBaseRevisionManagerUtil
  • org.apache.hcatalog.hbase.TestHBaseBulkOutputFormat
  • org.apache.hcatalog.hbase.TestHBaseDirectOutputFormat
  • org.apache.hcatalog.hbase.TestHBaseInputFormat
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