Examples of org.apache.hadoop.hive.serde2.dynamic_type.DynamicSerDe

Package org.apache.hadoop.hive.serde2.dynamic_type

Examples of org.apache.hadoop.hive.serde2.dynamic_type.DynamicSerDe

org.apache.hadoop.hive.serde2.objectinspector.StructField
DynamicSerDe.

  /**
   * 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);
    }

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  @Test
  /**
   * Tests calling seekToRow to make sure it updates the stripe accordingly
   */
  public void testSeekToRow() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (IntStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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  /**
   * 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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        return struct;
      }
    };


    // Test control case (cases match)
    StructField field = STRUCT_OI.getStructFieldRef(FIELD_0);
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            STRUCT_OI.getStructFieldData(struct, field)));
    // Test upper case
    field = STRUCT_OI.getStructFieldRef(FIELD_0.toUpperCase());
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            STRUCT_OI.getStructFieldData(struct, field)));
    // Test lower case (even if someone changes the value of FIELD_0 in the future either upper
    // or lower case should be different from the actual case)
    field = STRUCT_OI.getStructFieldRef(FIELD_0.toLowerCase());
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            STRUCT_OI.getStructFieldData(struct, field)));
  }

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  public void testCaseInsensitiveFieldsStruct() throws Exception {
    OrcStruct struct = new OrcStruct(Lists.newArrayList(FIELD_0));
    struct.setFieldValue(0, new Text("a"));


    // Test control case (cases match)
    StructField field = NON_LAZY_STRUCT_OI.getStructFieldRef(FIELD_0);
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            NON_LAZY_STRUCT_OI.getStructFieldData(struct, field)));
    // Test upper case
    field = NON_LAZY_STRUCT_OI.getStructFieldRef(FIELD_0.toUpperCase());
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            NON_LAZY_STRUCT_OI.getStructFieldData(struct, field)));
    // Test lower case (even if someone changes the value of FIELD_0 in the future either upper
    // or lower case should be different from the actual case)
    field = NON_LAZY_STRUCT_OI.getStructFieldRef(FIELD_0.toLowerCase());
    Assert.assertEquals("a",
        ((StringObjectInspector) field.getFieldObjectInspector()).getPrimitiveJavaObject(
            NON_LAZY_STRUCT_OI.getStructFieldData(struct, field)));
  }

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