Java Code Examples for org.apache.arrow.vector.SmallIntVector#setNull()

The following examples show how to use org.apache.arrow.vector.SmallIntVector#setNull() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestData.java    From dremio-oss with Apache License 2.0 6 votes vote down vote up 
private Pair<SmallIntVector, ResultVerifier> testSmallIntVector() {
  final String colName = "colSmallInt";
  final List<Integer> values =  asList(20, null, -2000, 32700, 0);

  SmallIntVector valuesVector = new SmallIntVector(colName, allocator);
  valuesVector.allocateNew(values.size());
  for (int i = 0; i < values.size(); i++) {
    if (values.get(i) == null) {
      valuesVector.setNull(i);
    } else {
      valuesVector.set(i, values.get(i));
    }
  }

  ResultVerifier verifier = new ResultVerifier() {
    @Override
    public void verify(DataPOJO output) {
      verifyIntValues(values, output, colName);
    }
  };

  return Pair.of(valuesVector, verifier);
}
Example 2
Source File: TestArrowShortConnector.java    From yosegi with Apache License 2.0 5 votes vote down vote up 
@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  SmallIntVector vector = new SmallIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (short)0 );
  vector.setSafe( 1 , (short)1 );
  vector.setSafe( 2 , (short)0 );
  vector.setNull( 3 );
  vector.setSafe( 4 , (short)1 );
  vector.setSafe( 5 , (short)1 );
  vector.setSafe( 6 , (short)1 );
  vector.setNull( 7 );
  vector.setValueCount( 8 );

  IColumn column = ArrowColumnFactory.convert( "test" , vector );
  assertEquals( column.getColumnName() , "test" );
  assertEquals( column.size() , 8 );
  assertTrue( ( column.getColumnType() == ColumnType.SHORT ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getShort() , (short)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getShort() , (short)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getShort() , (short)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getShort() , (short)1 );
  assertEquals( column.get(7).getRow() , null  );
}
Example 3
Source File: TestArrowShortConnector.java    From multiple-dimension-spread with Apache License 2.0 5 votes vote down vote up 
@Test
public void T_convert_1() throws IOException{
  BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
  SmallIntVector vector = new SmallIntVector( "test" , allocator );
  vector.allocateNew();
  vector.setSafe( 0 , (short)0 );  
  vector.setSafe( 1 , (short)1 );  
  vector.setSafe( 2 , (short)0 );  
  vector.setNull( 3 );  
  vector.setSafe( 4 , (short)1 );  
  vector.setSafe( 5 , (short)1 );  
  vector.setSafe( 6 , (short)1 );  
  vector.setNull( 7 );  
  vector.setValueCount( 8 );

  IColumn column = ArrowColumnFactory.convert( "test" , vector );
  assertEquals( column.getColumnName() , "test" );
  assertEquals( column.size() , 8 );
  assertTrue( ( column.getColumnType() == ColumnType.SHORT ) );
  assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getShort() , (short)0  );
  assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getShort() , (short)1  );
  assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getShort() , (short)0  );
  assertEquals( column.get(3).getRow() , null  );
  assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getShort() , (short)1 );
  assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getShort() , (short)1 );
  assertEquals( column.get(7).getRow() , null  );
}
Example 4
Source File: SmallIntToFixedConverterTest.java    From snowflake-jdbc with Apache License 2.0 5 votes vote down vote up 
@Test
public void testGetBooleanNoScale() throws SFException
{
  Map<String, String> customFieldMeta = new HashMap<>();
  customFieldMeta.put("logicalType", "FIXED");
  customFieldMeta.put("precision", "10");
  customFieldMeta.put("scale", "0");

  FieldType fieldType = new FieldType(true,
                                      Types.MinorType.SMALLINT.getType(),
                                      null, customFieldMeta);

  SmallIntVector vector = new SmallIntVector("col_one", fieldType, allocator);
  vector.setSafe(0, 0);
  vector.setSafe(1, 1);
  vector.setNull(2);
  vector.setSafe(3, 5);

  ArrowVectorConverter converter = new SmallIntToFixedConverter(vector, 0, this);

  assertThat(false, is(converter.toBoolean(0)));
  assertThat(true, is(converter.toBoolean(1)));
  assertThat(false, is(converter.toBoolean(2)));
  TestUtil.assertSFException(invalidConversionErrorCode,
                             () -> converter.toBoolean(3));

  vector.close();
}
Example 5
Source File: SmallIntToFixedConverterTest.java    From snowflake-jdbc with Apache License 2.0 5 votes vote down vote up 
@Test
public void testGetBooleanWithScale() throws SFException
{
  Map<String, String> customFieldMeta = new HashMap<>();
  customFieldMeta.put("logicalType", "FIXED");
  customFieldMeta.put("precision", "10");
  customFieldMeta.put("scale", "3");

  FieldType fieldType = new FieldType(true,
                                      Types.MinorType.SMALLINT.getType(),
                                      null, customFieldMeta);

  SmallIntVector vector = new SmallIntVector("col_one", fieldType, allocator);
  vector.setSafe(0, 0);
  vector.setSafe(1, 1);
  vector.setNull(2);
  vector.setSafe(3, 5);

  final ArrowVectorConverter converter = new SmallIntToScaledFixedConverter(vector, 0, this, 3);

  assertThat(false, is(converter.toBoolean(0)));
  TestUtil.assertSFException(invalidConversionErrorCode,
                             () -> converter.toBoolean(3));
  assertThat(false, is(converter.toBoolean(2)));
  TestUtil.assertSFException(invalidConversionErrorCode,
                             () -> converter.toBoolean(3));

  vector.close();
}
Example 6
Source File: SmallIntToFixedConverterTest.java    From snowflake-jdbc with Apache License 2.0 4 votes vote down vote up 
@Test
public void testFixedNoScale() throws SFException
{
  final int rowCount = 1000;
  List<Short> expectedValues = new ArrayList<>();
  Set<Integer> nullValIndex = new HashSet<>();
  for (int i = 0; i < rowCount; i++)
  {
    expectedValues.add((short) random.nextInt(1 << 16));
  }

  Map<String, String> customFieldMeta = new HashMap<>();
  customFieldMeta.put("logicalType", "FIXED");
  customFieldMeta.put("precision", "10");
  customFieldMeta.put("scale", "0");

  FieldType fieldType = new FieldType(true,
                                      Types.MinorType.SMALLINT.getType(),
                                      null, customFieldMeta);

  SmallIntVector vector = new SmallIntVector("col_one", fieldType, allocator);
  for (int i = 0; i < rowCount; i++)
  {
    boolean isNull = random.nextBoolean();
    if (isNull)
    {
      vector.setNull(i);
      nullValIndex.add(i);
    }
    else
    {
      vector.setSafe(i, expectedValues.get(i));
    }
  }

  ArrowVectorConverter converter = new SmallIntToFixedConverter(vector, 0, this);

  for (int i = 0; i < rowCount; i++)
  {
    short shortVal = converter.toShort(i);
    Object longObject = converter.toObject(i); // the logical type is long
    String shortString = converter.toString(i);

    if (nullValIndex.contains(i))
    {
      assertThat(shortVal, is((short) 0));
      assertThat(longObject, is(nullValue()));
      assertThat(shortString, is(nullValue()));
      assertThat(converter.toBytes(i), is(nullValue()));
    }
    else
    {
      assertThat(shortVal, is(expectedValues.get(i)));
      assertEquals(longObject, (long) expectedValues.get(i));
      assertThat(shortString, is(expectedValues.get(i).toString()));
      bb = ByteBuffer.wrap(converter.toBytes(i));
      assertThat(shortVal, is(bb.getShort()));
    }
  }
  vector.clear();
}
Example 7
Source File: SmallIntToFixedConverterTest.java    From snowflake-jdbc with Apache License 2.0 4 votes vote down vote up 
@Test
public void testFixedWithScale() throws SFException
{
  final int rowCount = 1000;
  List<Short> expectedValues = new ArrayList<>();
  Set<Integer> nullValIndex = new HashSet<>();
  for (int i = 0; i < rowCount; i++)
  {
    expectedValues.add((short) random.nextInt(1 << 16));
  }

  Map<String, String> customFieldMeta = new HashMap<>();
  customFieldMeta.put("logicalType", "FIXED");
  customFieldMeta.put("precision", "10");
  customFieldMeta.put("scale", "3");

  FieldType fieldType = new FieldType(true,
                                      Types.MinorType.SMALLINT.getType(),
                                      null, customFieldMeta);

  SmallIntVector vector = new SmallIntVector("col_one", fieldType, allocator);
  for (int i = 0; i < rowCount; i++)
  {
    boolean isNull = random.nextBoolean();
    if (isNull)
    {
      vector.setNull(i);
      nullValIndex.add(i);
    }
    else
    {
      vector.setSafe(i, expectedValues.get(i));
    }
  }

  ArrowVectorConverter converter = new SmallIntToScaledFixedConverter(vector, 0, this, 3);

  for (int i = 0; i < rowCount; i++)
  {
    BigDecimal bigDecimalVal = converter.toBigDecimal(i);
    Object objectVal = converter.toObject(i);
    String stringVal = converter.toString(i);

    if (nullValIndex.contains(i))
    {
      assertThat(bigDecimalVal, nullValue());
      assertThat(objectVal, nullValue());
      assertThat(stringVal, nullValue());
      assertThat(converter.toBytes(i), is(nullValue()));
    }
    else
    {
      BigDecimal expectedVal = BigDecimal.valueOf(expectedValues.get(i), 3);
      assertThat(bigDecimalVal, is(expectedVal));
      assertThat(objectVal, is(expectedVal));
      assertThat(stringVal, is(expectedVal.toString()));
      assertThat(converter.toBytes(i), is(notNullValue()));
    }
  }

  vector.clear();
}