Package org.apache.hadoop.hive.serde2.objectinspector.primitive

Examples of org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableConstantByteObjectInspector


  /**
   * Tests that when a reader is initialized using offset, length the stripes included are
   * those that start in the range [offset, offset + length)
   */
  public void testSplitStripe() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
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      if (o == null || o.getClass() != getClass()) {
        return false;
      } else if (o == this) {
        return true;
      } else {
        ObjectInspector other = ((OrcListObjectInspector) o).child;
        return other.equals(child);
      }
    }
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    fs.delete(testFilePath2, false);
  }

  @Test
  public void testHash() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (BigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
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  }

  @Test
  public void testDeepCopy() throws Exception {
    // Create a table and write a row to it
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (BigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
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    // Currently copies are not supported for complex types
  }

  @Test
  public void testSeekAcrossChunks() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (DoubleRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
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    rows.close();
  }

  @Test
  public void test1() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (BigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
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    rows.close();
  }

  @Test
  public void testColumnProjection() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (InnerStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
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    rows2.close();
  }

  @Test
  public void testEmptyFile() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (BigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
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    assertEquals(false, reader.getStripes().iterator().hasNext());
  }

  @Test
  public void testMetaData() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (BigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
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                                  .build(),
        OrcProto.Type.newBuilder().setKind(OrcProto.Type.Kind.STRING)
                                  .build()
    );

    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = OrcLazyObjectInspectorUtils.createWritableObjectInspector(0, types);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);
    Writer writer = OrcFile.createWriter(fs, testFilePath, conf, inspector,
        15 * 1024, CompressionKind.NONE, 100, 10000);
    OrcStruct row = new OrcStruct(types.get(0).getFieldNamesList());
    OrcUnion union = new OrcUnion();
    row.setFieldValue(1, union);
    row.setFieldValue(0, Timestamp.valueOf("2000-03-12 15:00:00"));
    union.set((byte) 0, new IntWritable(42));
    writer.addRow(row);
    row.setFieldValue(0, Timestamp.valueOf("2000-03-20 12:00:00.123456789"));
    union.set((byte)1, new Text("hello"));
    writer.addRow(row);
    row.setFieldValue(0, null);
    row.setFieldValue(1, null);
    writer.addRow(row);
    row.setFieldValue(1, union);
    union.set((byte) 0, null);
    writer.addRow(row);
    union.set((byte) 1, null);
    writer.addRow(row);
    union.set((byte) 0, new IntWritable(200000));
    row.setFieldValue(0, Timestamp.valueOf("1900-01-01 00:00:00"));
    writer.addRow(row);
    for(int i=1900; i < 2200; ++i) {
      row.setFieldValue(0, Timestamp.valueOf(i + "-05-05 12:34:56." + i));
      if ((i & 1) == 0) {
        union.set((byte) 0, new IntWritable(i*i));
      } else {
        union.set((byte) 1, new Text(new Integer(i*i).toString()));
      }
      writer.addRow(row);
    }
    // let's add a lot of constant rows to test the rle
    row.setFieldValue(0, null);
    union.set((byte) 0, new IntWritable(1732050807));
    for(int i=0; i < 5000; ++i) {
      writer.addRow(row);
    }
    union.set((byte) 0, new IntWritable(0));
    writer.addRow(row);
    union.set((byte) 0, new IntWritable(10));
    writer.addRow(row);
    union.set((byte) 0, new IntWritable(138));
    writer.addRow(row);
    writer.close();
    ReaderWriterProfiler.setProfilerOptions(conf);
    Reader reader = OrcFile.createReader(fs, testFilePath, conf);
    assertEquals(false, reader.getMetadataKeys().iterator().hasNext());
    assertEquals(5309, reader.getNumberOfRows());
    int stripeCount = 0;
    int rowCount = 0;
    long currentOffset = -1;
    for(StripeInformation stripe: reader.getStripes()) {
      stripeCount += 1;
      rowCount += stripe.getNumberOfRows();
      if (currentOffset < 0) {
        currentOffset = stripe.getOffset() + stripe.getIndexLength() +
            stripe.getDataLength() + stripe.getFooterLength();
      } else {
        assertEquals(currentOffset, stripe.getOffset());
        currentOffset += stripe.getIndexLength() +
            stripe.getDataLength() + stripe.getFooterLength();
      }
    }
    assertEquals(reader.getNumberOfRows(), rowCount);
    assertEquals(2, stripeCount);
    assertEquals(reader.getContentLength(), currentOffset);
    RecordReader rows = reader.rows(null);
    assertEquals(0, rows.getRowNumber());
    assertEquals(0.0, rows.getProgress(), 0.000001);
    assertEquals(true, rows.hasNext());
    OrcLazyStruct lazyRow = (OrcLazyStruct) rows.next(null);
    row = (OrcStruct) lazyRow.materialize();
    inspector = reader.getObjectInspector();
    assertEquals("struct<time:timestamp,union:uniontype<int,string>>",
        inspector.getTypeName());
    assertEquals(Timestamp.valueOf("2000-03-12 15:00:00"),
        ((TimestampWritable) ((OrcLazyTimestamp) row.getFieldValue(0)).materialize()).getTimestamp());
    union = (OrcUnion) ((OrcLazyUnion) row.getFieldValue(1)).materialize();
    assertEquals(0, union.getTag());
    assertEquals(new IntWritable(42), union.getObject());
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