Examples of org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter

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

Examples of org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter

org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector


    @Override
    void write(Object obj) throws IOException {
      long rawDataSize = 0;
      if (obj != null) {
        MapObjectInspector insp = (MapObjectInspector) inspector;
        // this sucks, but it will have to do until we can get a better
        // accessor in the MapObjectInspector.
        Map<?, ?> valueMap = insp.getMap(obj);
        // Don't use getMapSize(), it's inconsistent for some object inspectors
        int len = valueMap.size();
        lengths.write(len);
        for(Map.Entry<?, ?> entry: valueMap.entrySet()) {
          childrenWriters[0].write(entry.getKey());

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    if (o == null || o.getClass() != getClass()) {
      return false;
    } else if (o == this) {
      return true;
    } else {
      ObjectInspector other = ((OrcLazyListObjectInspector) o).child;
      return other.equals(child);
    }
  }

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  /**
   * Tests a writing a stripe with a string column, which enters low memory mode before the second
   * index stride is complete, and does not complete that stride.
   */
  public void testStringEnterLowMemoryModeInSecondStride() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * Tests a writing a stripe with an int column, which enters low memory mode before the second
   * index stride is complete, and does not complete that stride.
   */
  public void testIntEnterLowMemoryModeInSecondStride() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * Tests a writing a stripe with a string column, which enters low memory mode just before the
   * second stride starts
   */
  public void testStringEnterLowMemoryModeAtStrideStart() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * Tests a writing a stripe with an int column, which enters low memory mode just before the
   * second stride starts
   */
  public void testIntEnterLowMemoryModeAtStrideStart() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * Tests a writing a stripe with a string column, which enters low memory mode just after the
   * second stride starts
   */
  public void testStringEnterLowMemoryModeAfterStrideStart() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * Tests a writing a stripe with an int column, which enters low memory mode just after the
   * second stride starts
   */
  public void testIntEnterLowMemoryModeAfterStrideStart() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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   * Tests writing a stripe with a string column, which doesn't do dictionary encoding, then
   * re-evaluates whether it should do dictionary encoding or not.  While it's re-evaluating, it
   * enters low memory mode.
   */
  public void testStringEnterLowMemoryModeAndOnNotCarriedOverStripe() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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   * Tests writing a stripe with an int column, which doesn't do dictionary encoding, then
   * re-evaluates whether it should do dictionary encoding or not.  While it's re-evaluating, it
   * enters low memory mode
   */
  public void testIntegerEnterLowMemoryModeAndOnNotCarriedOverStripe() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

View Full Code Here

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