Examples of DefaultHCatRecord

Examples of org.apache.hcatalog.data.DefaultHCatRecord

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      throws IOException, InterruptedException {
      HCatRecord record = null;
      String[] splits = value.toString().split(",");
      switch (i) {
      case 0:
        record = new DefaultHCatRecord(2);
        record.set(0, splits[0]);
        record.set(1, splits[1]);
        break;
      case 1:
        record = new DefaultHCatRecord(1);
        record.set(0, splits[0]);
        break;
      case 2:
        record = new DefaultHCatRecord(3);
        record.set(0, splits[0]);
        record.set(1, splits[1]);
        record.set(2, "extra");
        break;
      default:
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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  public static class Map extends Mapper<LongWritable, Text, NullWritable, DefaultHCatRecord> {

    public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
      String[] cols = value.toString().split(",");
      DefaultHCatRecord record = new DefaultHCatRecord(3);
      record.set(0, Integer.parseInt(cols[0]));
      record.set(1, cols[1]);
      record.set(2, cols[2]);
      context.write(NullWritable.get(), record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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  public static class Map extends Mapper<LongWritable, Text, NullWritable, DefaultHCatRecord> {

    public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
      String[] cols = value.toString().split(",");
      DefaultHCatRecord record = new DefaultHCatRecord(3);
      record.set(0, Integer.parseInt(cols[0]));
      record.set(1, cols[1]);
      record.set(2, cols[2]);
      context.write(NullWritable.get(), record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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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]);
      }
      context.write(null, record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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        count++;
        sum += Double.parseDouble(gpa.toString());
      }

      HCatRecord record = new DefaultHCatRecord(2);
      record.set(0, name);
      record.set(1, Double.toString(sum));

      context.write(null, record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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    private static int count = 0;

    @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]));
      synchronized (MapWriteAbortTransaction.class) {
        if (count == 2) {
          failedKey = vals[0];
          throw new IOException("Failing map to test abort");
        }
        for (int i = 1; i < vals.length; i++) {
          String pair[] = vals[i].split(":");
          record.set(pair[0], schema, pair[1]);
        }
        context.write(null, record);
        count++;
      }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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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]);
      }
      context.write(null, record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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    @Override
    public void map(LongWritable key, Text value, Context context)
        throws IOException, InterruptedException {
      String[] cols = value.toString().split(",");
      HCatRecord record = new DefaultHCatRecord(recordSchema.size());
      record.setInteger("emp_id", recordSchema, Integer.parseInt(cols[0]));
      record.setString("emp_name", recordSchema, cols[1]);
      record.setString("emp_dob", recordSchema, cols[2]);
      record.setString("emp_sex", recordSchema, cols[3]);
      context.write(key, record);
    }
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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    for(int i = 0;i < 20;i++) {
      List<Object> objList = new ArrayList<Object>();

      objList.add(i);
      objList.add("strvalue" + i);
      writeRecords.add(new DefaultHCatRecord(objList));
    }

    partitionColumns = new ArrayList<HCatFieldSchema>();
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c1", Constants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", Constants.STRING_TYPE_NAME, "")));
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Examples of org.apache.hcatalog.data.DefaultHCatRecord

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      objList.add(i);
      objList.add("strvalue" + i);
      objList.add("str2value" + i);

      writeRecords.add(new DefaultHCatRecord(objList));
    }

    Map<String, String> partitionMap = new HashMap<String, String>();
    partitionMap.put("part1", "p1value5");

    runMRCreate(partitionMap, partitionColumns, writeRecords, 10,true);

    tableSchema = getTableSchema();

    //assert that c3 has got added to table schema
    assertEquals(4, tableSchema.getFields().size());
    assertEquals("c1", tableSchema.getFields().get(0).getName());
    assertEquals("c2", tableSchema.getFields().get(1).getName());
    assertEquals("c3", tableSchema.getFields().get(2).getName());
    assertEquals("part1", tableSchema.getFields().get(3).getName());

    //Test that changing column data type fails
    partitionMap.clear();
    partitionMap.put("part1", "p1value6");

    partitionColumns = new ArrayList<HCatFieldSchema>();
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c1", Constants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", Constants.INT_TYPE_NAME, "")));

    IOException exc = null;
    try {
      runMRCreate(partitionMap, partitionColumns, writeRecords, 20,true);
    } catch(IOException e) {
      exc = e;
    }

    assertTrue(exc != null);
    assertTrue(exc instanceof HCatException);
    assertEquals(ErrorType.ERROR_SCHEMA_TYPE_MISMATCH, ((HCatException) exc).getErrorType());

    //Test that partition key is not allowed in data
    partitionColumns = new ArrayList<HCatFieldSchema>();
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c1", Constants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", Constants.STRING_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c3", Constants.STRING_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("part1", Constants.STRING_TYPE_NAME, "")));

    List<HCatRecord> recordsContainingPartitionCols = new ArrayList<HCatRecord>(20);
    for(int i = 0;i < 20;i++) {
      List<Object> objList = new ArrayList<Object>();

      objList.add(i);
      objList.add("c2value" + i);
      objList.add("c3value" + i);
      objList.add("p1value6");

      recordsContainingPartitionCols.add(new DefaultHCatRecord(objList));
    }

    exc = null;
    try {
      runMRCreate(partitionMap, partitionColumns, recordsContainingPartitionCols, 20,true);
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