Examples of org.apache.hadoop.hive.serde2.columnar.ColumnarStructBase$FieldInfo

Package org.apache.hadoop.hive.serde2.columnar

Examples of org.apache.hadoop.hive.serde2.columnar.ColumnarStructBase$FieldInfo

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

   * Read and write a randomly generated snappy file.
   * @throws Exception
   */
  @Test
  public void testWithoutIndex() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (InnerStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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      byteValues = new BytesWritable[count];
    }
  }


  private RandomRowInputs writeRandomRows(int count, boolean lowMemoryMode) throws IOException {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (ReallyBigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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    readEveryNthRow(10000, true, NumberOfNulls.NONE);
  }


  private RandomRowInputs writeRandomRowsWithNulls(int count, NumberOfNulls numNulls,
      boolean lowMemoryMode) throws IOException {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (ReallyBigRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }
    ReaderWriterProfiler.setProfilerOptions(conf);

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    }
  }


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

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  @Test
  /**
   * Test a stride dictionary that contains only the empty string
   */
  public void testEmptyStringStrideDictionary() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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   * Tests writing a stripe containing a string column, which is not dictionary encoded in the
   * first stripe, this is carried over to the third stripe, then dictionary encoding is turned
   * back on.  This will cause the dictionary to be nulled out, then reinitialized.
   */
  public void testStrideDictionariesWithoutStripeCarryover() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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   * skipped, and in the second stride the values in the stride dictionary are read.
   * This can cause problems if seeking across strides is broken for stride dictionary streams.
   * @throws Exception
   */
  public void testSeekAcrossStrideDictionaries() 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 a stride dictionary, followed by a stripe without
   * followed by a stripe with.
   */
  public void testEmptyInStringDictionaryStream() throws Exception {
    ObjectInspector inspector;
    synchronized (TestOrcFile.class) {
      inspector = ObjectInspectorFactory.getReflectionObjectInspector
          (StringStruct.class,
              ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
    }

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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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