Package org.apache.hcatalog.data

Examples of org.apache.hcatalog.data.DefaultHCatRecord

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    Collections.addAll(rec_1, new Byte("123"),
        new Integer(789),
        new Double(5.3D),
        new String("hcatalog and hadoop"),
        null);
    HCatRecord tup_1 = new DefaultHCatRecord(rec_1);

    List<Object> rec_2 = new ArrayList<Object>(8);
    Collections.addAll(rec_2, new Byte("100"),
        new Integer(123),
        new Double(5.3D),
        new String("hcatalog and hadoop"),
        null);
    HCatRecord tup_2 = new DefaultHCatRecord(rec_2);

    return  new HCatRecord[]{tup_1,tup_2};
  }
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                               new Double(5.3D),
                               null, // new column
                               new String("hcatalog and hadoop"),
                               new Byte("123"),
                               null);
    HCatRecord tup_1 = new DefaultHCatRecord(rec_1);

    List<Object> rec_2 = new ArrayList<Object>(7);
    Collections.addAll(rec_2, new Integer(123),
        new String("first-part"),
        new Double(5.3D),
        null,
        new String("hcatalog and hadoop"),
        new Byte("100"),
        null);
    HCatRecord tup_2 = new DefaultHCatRecord(rec_2);

    return  new HCatRecord[]{tup_1,tup_2};

  }
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  }

  private HCatRecord convertToHCatRecord(SqoopRecord sqr)
    throws IOException {
    Map<String, Object> fieldMap = sqr.getFieldMap();
    HCatRecord result = new DefaultHCatRecord(fieldCount);

    for (Map.Entry<String, Object> entry : fieldMap.entrySet()) {
      String key = entry.getKey();
      Object val = entry.getValue();
      String hfn = key.toLowerCase();
      if (staticPartitionKey != null && staticPartitionKey.equals(hfn)) {
        continue;
      }
      HCatFieldSchema hfs = hCatFullTableSchema.get(hfn);
      if (debugHCatImportMapper) {
        LOG.debug("SqoopRecordVal: field = " + key + " Val " + val
          + " of type " + (val == null ? null : val.getClass().getName())
          + ", hcattype " + hfs.getTypeString());
      }
      Object hCatVal = toHCat(val, hfs.getType(), hfs.getTypeString());

      result.set(hfn, hCatFullTableSchema, hCatVal);
    }

    return result;
  }
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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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        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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            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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        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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    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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    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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        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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Related Classes of org.apache.hcatalog.data.DefaultHCatRecord

  • org.apache.giraph.io.hcatalog.HCatalogVertexOutputFormat$SingleRowHCatalogVertexWriter
  • org.apache.hcatalog.data.TestDefaultHCatRecord
  • org.apache.hcatalog.data.TestLazyHCatRecord
  • org.apache.hcatalog.hbase.TestHBaseBulkOutputFormat$MapHCatWrite
  • org.apache.hcatalog.hbase.TestHBaseDirectOutputFormat$MapHCatWrite
  • org.apache.hcatalog.hbase.TestHBaseDirectOutputFormat$MapWriteAbortTransaction
  • org.apache.hcatalog.mapreduce.HCatRecordReader
  • org.apache.hcatalog.mapreduce.TestHCatDynamicPartitioned
  • org.apache.hcatalog.mapreduce.TestHCatEximInputFormat$TestExport
  • org.apache.hcatalog.mapreduce.TestHCatEximOutputFormat$TestMap
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