Examples of DefaultHCatRecord

Examples of org.apache.hive.hcatalog.data.DefaultHCatRecord

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      name = (String) value.get(0);
      age = (Integer) value.get(1);
      gpa = (Double) value.get(2);
      gpa = Math.floor(gpa) + 0.1;

      HCatRecord record = new DefaultHCatRecord(3);
      record.set(0, name);
      record.set(1, age);
      record.set(2, gpa);

      context.write(null, record);

    }
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Examples of org.apache.hive.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.hive.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.hive.hcatalog.data.DefaultHCatRecord

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      intnum100 = (((Integer) value.get(3)));
      intnum = ((Integer) value.get(4));
      longnum = ((Long) value.get(5));
      floatnum = ((Float) value.get(6));
      doublenum = ((Double) value.get(7));
      HCatRecord output = new DefaultHCatRecord(8);
      output.set(0, intnum1000 + 10);
      if (isnoPartPig) {
        output.set(1, ((int) (id + 10)));
      } else {
        output.set(1, ((short) (id + 10)));
      }
      if (isnoPartPig) {
        output.set(2, (int) (intnum5 + 10));
      } else {
        output.set(2, (byte) (intnum5 + 10));
      }

      output.set(3, intnum100 + 10);
      output.set(4, intnum + 10);
      output.set(5, (long) (longnum + 10));
      output.set(6, (float) (floatnum + 10));
      output.set(7, (double) (doublenum + 10));
      for (int i = 0; i < 8; i++) {
        System.err.println("XXX: class:" + output.get(i).getClass());
      }
      context.write(new IntWritable(0), output);

    }
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Examples of org.apache.hive.hcatalog.data.DefaultHCatRecord

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      b = (Long) value.get(3);
      f = (Float) value.get(4);
      d = (Double) value.get(5);
      s = (String) value.get(6);

      HCatRecord record = new DefaultHCatRecord(7);
      record.set(0, t);
      record.set(1, si);
      record.set(2, i);
      record.set(3, b);
      record.set(4, f);
      record.set(5, d);
      record.set(6, s);

      context.write(null, record);

    }
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Examples of org.apache.hive.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.hive.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", serdeConstants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", serdeConstants.STRING_TYPE_NAME, "")));
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Examples of org.apache.hive.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");
    partitionMap.put("part0", "p0value5");

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

    tableSchema = getTableSchema();

    //assert that c3 has got added to table schema
    assertEquals(5, 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());
    assertEquals("part0", tableSchema.getFields().get(4).getName());

    //Test that changing column data type fails
    partitionMap.clear();
    partitionMap.put("part1", "p1value6");
    partitionMap.put("part0", "p0value6");

    partitionColumns = new ArrayList<HCatFieldSchema>();
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c1", serdeConstants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", serdeConstants.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", serdeConstants.INT_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", serdeConstants.STRING_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c3", serdeConstants.STRING_TYPE_NAME, "")));
    partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("part1", serdeConstants.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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Examples of org.apache.hive.hcatalog.data.DefaultHCatRecord

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

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

    Map<String, String> partitionMap = new HashMap<String, String>();
    partitionMap.put("part1", "p1value8");
    partitionMap.put("part0", "p0value8");

    Exception exc = null;
    try {
      runMRCreate(partitionMap, partitionColumns, writeRecords, 10, true);
    } catch (IOException e) {
      exc = e;
    }

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


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

    writeRecords = new ArrayList<HCatRecord>();

    for (int i = 0; i < 10; i++) {
      List<Object> objList = new ArrayList<Object>();

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

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

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

    //Read should get 10 + 20 + 10 + 10 + 20 rows
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Examples of org.apache.hive.hcatalog.data.DefaultHCatRecord

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      List<Object> objList = new ArrayList<Object>();

      objList.add(i);
      objList.add("strvalue" + i);
      objList.add(String.valueOf((i % mod) + offset));
      writeRecords.add(new DefaultHCatRecord(objList));
    }
  }
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