org.apache.arrow.vector.Float4Vector Java Examples
The following examples show how to use
org.apache.arrow.vector.Float4Vector.
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Example #1
| Source File: TestData.java From dremio-oss with Apache License 2.0 | 6 votes |
|
private Pair<Float4Vector, ResultVerifier> testFloat4Vector() {
final String colName = "colFloat4";
final List<Float> values = asList(20.0f, 50.023f, -238423f, null, 0f);
Float4Vector valuesVector = new Float4Vector(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) {
verifyDoubleValues(values, output, colName, 0.01f);
}
};
return Pair.of(valuesVector, verifier);
}
Example #2
| Source File: TestVectorizedHashAggPartitionSerializable.java From dremio-oss with Apache License 2.0 | 5 votes |
|
private void populateFloat(Float4Vector vector, Float[] data) {
vector.allocateNew();
Random r = new Random();
for(int i =0; i < data.length; i++){
Float val = data[i];
if(val != null){
vector.setSafe(i, val);
} else {
vector.setSafe(i, 0, r.nextFloat());
}
}
vector.setValueCount(data.length);
}
Example #3
| Source File: RowFloatWriter.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void doWrite(Row value, int ordinal) {
if (value.getField(ordinal) == null) {
((Float4Vector) getValueVector()).setNull(getCount());
} else {
((Float4Vector) getValueVector()).setSafe(getCount(), (float) value.getField(ordinal));
}
}
Example #4
| Source File: FloatWriter.java From flink with Apache License 2.0 | 5 votes |
|
@Override
public void doWrite(T in, int ordinal) {
if (isNullAt(in, ordinal)) {
((Float4Vector) getValueVector()).setNull(getCount());
} else {
((Float4Vector) getValueVector()).setSafe(getCount(), readFloat(in, ordinal));
}
}
Example #5
| Source File: GlobalDictionaryBuilder.java From dremio-oss with Apache License 2.0 | 5 votes |
|
private static VectorContainer buildFloatGlobalDictionary(List<Dictionary> dictionaries, VectorContainer existingDict, ColumnDescriptor columnDescriptor, BufferAllocator bufferAllocator) {
final Field field = new Field(SchemaPath.getCompoundPath(columnDescriptor.getPath()).getAsUnescapedPath(), true, new ArrowType.FloatingPoint(FloatingPointPrecision.SINGLE), null);
final VectorContainer input = new VectorContainer(bufferAllocator);
final Float4Vector floatVector = input.addOrGet(field);
floatVector.allocateNew();
SortedSet<Float> values = Sets.newTreeSet();
for (Dictionary dictionary : dictionaries) {
for (int i = 0; i <= dictionary.getMaxId(); ++i) {
values.add(dictionary.decodeToFloat(i));
}
}
if (existingDict != null) {
final Float4Vector existingDictValues = existingDict.getValueAccessorById(Float4Vector.class, 0).getValueVector();
for (int i = 0; i < existingDict.getRecordCount(); ++i) {
values.add(existingDictValues.get(i));
}
}
final Iterator<Float> iter = values.iterator();
int recordCount = 0;
while (iter.hasNext()) {
floatVector.setSafe(recordCount++, iter.next());
}
floatVector.setValueCount(recordCount);
input.setRecordCount(recordCount);
input.buildSchema(BatchSchema.SelectionVectorMode.NONE);
return input;
}
Example #6
| Source File: Twister2ArrowFileWriter.java From twister2 with Apache License 2.0 | 5 votes |
|
@Override
public <T extends FieldVector> void generate(T floatVector1, int from, int items, int isSet) {
Float4Vector floatVector = (Float4Vector) floatVector1;
floatVector.setInitialCapacity(items);
floatVector.allocateNew();
for (int i = 0; i < items; i++) {
floatVector.setSafe(i, isSet, (float) dataList.get(from + i));
}
floatVector.setValueCount(items);
}
Example #7
| Source File: TestArrowFloatConnector.java From multiple-dimension-spread with Apache License 2.0 | 5 votes |
|
@Test
public void T_convert_1() throws IOException{
BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
Float4Vector vector = new Float4Vector( "test" , allocator );
vector.allocateNew();
vector.setSafe( 0 , (float)0 );
vector.setSafe( 1 , (float)1 );
vector.setSafe( 2 , (float)0 );
vector.setNull( 3 );
vector.setSafe( 4 , (float)1 );
vector.setSafe( 5 , (float)1 );
vector.setSafe( 6 , (float)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.FLOAT ) );
assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getFloat() , (float)0 );
assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getFloat() , (float)0 );
assertEquals( column.get(3).getRow() , null );
assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getFloat() , (float)1 );
assertEquals( column.get(7).getRow() , null );
}
Example #8
| Source File: ArrowVectorAccessors.java From iceberg with Apache License 2.0 | 5 votes |
|
@NotNull
@SuppressWarnings("checkstyle:CyclomaticComplexity")
private static ArrowVectorAccessor getPlainVectorAccessor(FieldVector vector) {
if (vector instanceof BitVector) {
return new BooleanAccessor((BitVector) vector);
} else if (vector instanceof IntVector) {
return new IntAccessor((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return new LongAccessor((BigIntVector) vector);
} else if (vector instanceof Float4Vector) {
return new FloatAccessor((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return new DoubleAccessor((Float8Vector) vector);
} else if (vector instanceof IcebergArrowVectors.DecimalArrowVector) {
return new DecimalAccessor((IcebergArrowVectors.DecimalArrowVector) vector);
} else if (vector instanceof IcebergArrowVectors.VarcharArrowVector) {
return new StringAccessor((IcebergArrowVectors.VarcharArrowVector) vector);
} else if (vector instanceof VarBinaryVector) {
return new BinaryAccessor((VarBinaryVector) vector);
} else if (vector instanceof DateDayVector) {
return new DateAccessor((DateDayVector) vector);
} else if (vector instanceof TimeStampMicroTZVector) {
return new TimestampAccessor((TimeStampMicroTZVector) vector);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
return new ArrayAccessor(listVector);
} else if (vector instanceof StructVector) {
StructVector structVector = (StructVector) vector;
return new StructAccessor(structVector);
}
throw new UnsupportedOperationException("Unsupported vector: " + vector.getClass());
}
Example #9
| Source File: TestArrowFloatConnector.java From yosegi with Apache License 2.0 | 5 votes |
|
@Test
public void T_convert_1() throws IOException{
BufferAllocator allocator = new RootAllocator( 1024 * 1024 * 10 );
Float4Vector vector = new Float4Vector( "test" , allocator );
vector.allocateNew();
vector.setSafe( 0 , (float)0 );
vector.setSafe( 1 , (float)1 );
vector.setSafe( 2 , (float)0 );
vector.setNull( 3 );
vector.setSafe( 4 , (float)1 );
vector.setSafe( 5 , (float)1 );
vector.setSafe( 6 , (float)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.FLOAT ) );
assertEquals( ( (PrimitiveObject)( column.get(0).getRow() ) ).getFloat() , (float)0 );
assertEquals( ( (PrimitiveObject)( column.get(1).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(2).getRow() ) ).getFloat() , (float)0 );
assertEquals( column.get(3).getRow() , null );
assertEquals( ( (PrimitiveObject)( column.get(4).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(5).getRow() ) ).getFloat() , (float)1 );
assertEquals( ( (PrimitiveObject)( column.get(6).getRow() ) ).getFloat() , (float)1 );
assertEquals( column.get(7).getRow() , null );
}
Example #10
| Source File: ArrowUtils.java From flink with Apache License 2.0 | 4 votes |
|
private static ArrowFieldWriter<RowData> createArrowFieldWriterForRow(ValueVector vector, LogicalType fieldType) {
if (vector instanceof TinyIntVector) {
return TinyIntWriter.forRow((TinyIntVector) vector);
} else if (vector instanceof SmallIntVector) {
return SmallIntWriter.forRow((SmallIntVector) vector);
} else if (vector instanceof IntVector) {
return IntWriter.forRow((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return BigIntWriter.forRow((BigIntVector) vector);
} else if (vector instanceof BitVector) {
return BooleanWriter.forRow((BitVector) vector);
} else if (vector instanceof Float4Vector) {
return FloatWriter.forRow((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return DoubleWriter.forRow((Float8Vector) vector);
} else if (vector instanceof VarCharVector) {
return VarCharWriter.forRow((VarCharVector) vector);
} else if (vector instanceof VarBinaryVector) {
return VarBinaryWriter.forRow((VarBinaryVector) vector);
} else if (vector instanceof DecimalVector) {
DecimalVector decimalVector = (DecimalVector) vector;
return DecimalWriter.forRow(decimalVector, getPrecision(decimalVector), decimalVector.getScale());
} else if (vector instanceof DateDayVector) {
return DateWriter.forRow((DateDayVector) vector);
} else if (vector instanceof TimeSecVector || vector instanceof TimeMilliVector ||
vector instanceof TimeMicroVector || vector instanceof TimeNanoVector) {
return TimeWriter.forRow(vector);
} else if (vector instanceof TimeStampVector && ((ArrowType.Timestamp) vector.getField().getType()).getTimezone() == null) {
int precision;
if (fieldType instanceof LocalZonedTimestampType) {
precision = ((LocalZonedTimestampType) fieldType).getPrecision();
} else {
precision = ((TimestampType) fieldType).getPrecision();
}
return TimestampWriter.forRow(vector, precision);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
LogicalType elementType = ((ArrayType) fieldType).getElementType();
return ArrayWriter.forRow(listVector, createArrowFieldWriterForArray(listVector.getDataVector(), elementType));
} else if (vector instanceof StructVector) {
RowType rowType = (RowType) fieldType;
ArrowFieldWriter<RowData>[] fieldsWriters = new ArrowFieldWriter[rowType.getFieldCount()];
for (int i = 0; i < fieldsWriters.length; i++) {
fieldsWriters[i] = createArrowFieldWriterForRow(
((StructVector) vector).getVectorById(i),
rowType.getTypeAt(i));
}
return RowWriter.forRow((StructVector) vector, fieldsWriters);
} else {
throw new UnsupportedOperationException(String.format(
"Unsupported type %s.", fieldType));
}
}
Example #11
| Source File: HiveORCCopiers.java From dremio-oss with Apache License 2.0 | 4 votes |
|
DoubleToFloat4Copier(DoubleColumnVector inputVector, Float4Vector outputVector) {
this.inputVector = inputVector;
this.outputVector = outputVector;
}
Example #12
| Source File: HiveFieldConverter.java From dremio-oss with Apache License 2.0 | 4 votes |
|
@Override
public void setSafeValue(ObjectInspector oi, Object hiveFieldValue, ValueVector outputVV, int outputIndex) {
final float value = (float) ((FloatObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
((Float4Vector) outputVV).setSafe(outputIndex, value);
}
Example #13
| Source File: TestHiveUDFs.java From dremio-oss with Apache License 2.0 | 4 votes |
|
@Test
public void testGenericUDF() throws Throwable {
int numRecords = 0;
String planString = Resources.toString(Resources.getResource("functions/hive/GenericUDF.json"), Charsets.UTF_8);
List<QueryDataBatch> results = testPhysicalWithResults(planString);
RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
for (QueryDataBatch result : results) {
batchLoader.load(result.getHeader().getDef(), result.getData());
if (batchLoader.getRecordCount() <= 0) {
result.release();
batchLoader.clear();
continue;
}
// Output columns and types
// 1. str1 : VarChar
// 2. upperStr1 : VarChar
// 3. concat : VarChar
// 4. flt1 : Float4
// 5. format_number : Float8
// 6. nullableStr1 : VarChar
// 7. upperStr1 : VarChar
VarCharVector str1V = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 0).getValueVector();
VarCharVector upperStr1V = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 1).getValueVector();
VarCharVector concatV = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 2).getValueVector();
Float4Vector flt1V = (Float4Vector) batchLoader.getValueAccessorById(Float4Vector.class, 3).getValueVector();
VarCharVector format_numberV = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 4).getValueVector();
VarCharVector nullableStr1V = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 5).getValueVector();
VarCharVector upperNullableStr1V = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 6).getValueVector();
for (int i=0; i<batchLoader.getRecordCount(); i++) {
if (str1V.isNull(i)) {
continue;
}
String in = new String(str1V.get(i), Charsets.UTF_8);
String upper = new String(upperStr1V.get(i), Charsets.UTF_8);
assertTrue(in.toUpperCase().equals(upper));
String concat = new String(concatV.get(i), Charsets.UTF_8);
assertTrue(concat.equals(in+"-"+in));
float flt1 = flt1V.get(i);
String format_number = new String(format_numberV.get(i), Charsets.UTF_8);
String nullableStr1 = null;
if (!nullableStr1V.isNull(i)) {
nullableStr1 = new String(nullableStr1V.get(i), Charsets.UTF_8);
}
String upperNullableStr1 = null;
if (!upperNullableStr1V.isNull(i)) {
upperNullableStr1 = new String(upperNullableStr1V.get(i), Charsets.UTF_8);
}
assertEquals(nullableStr1 != null, upperNullableStr1 != null);
if (nullableStr1 != null) {
assertEquals(nullableStr1.toUpperCase(), upperNullableStr1);
}
numRecords++;
}
result.release();
batchLoader.clear();
}
}
Example #14
| Source File: TestHiveUDFs.java From dremio-oss with Apache License 2.0 | 4 votes |
|
@Test
public void testUDF() throws Throwable {
int numRecords = 0;
String planString = Resources.toString(Resources.getResource("functions/hive/UDF.json"), Charsets.UTF_8);
List<QueryDataBatch> results = testPhysicalWithResults(planString);
RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
for (QueryDataBatch result : results) {
batchLoader.load(result.getHeader().getDef(), result.getData());
if (batchLoader.getRecordCount() <= 0) {
result.release();
batchLoader.clear();
continue;
}
// Output columns and types
// 1. str1 : VarChar
// 2. str1Length : Int
// 3. str1Ascii : Int
// 4. flt1 : Float4
// 5. pow : Float8
VarCharVector str1V = (VarCharVector) batchLoader.getValueAccessorById(VarCharVector.class, 0).getValueVector();
IntVector str1LengthV = (IntVector) batchLoader.getValueAccessorById(IntVector.class, 1).getValueVector();
IntVector str1AsciiV = (IntVector) batchLoader.getValueAccessorById(IntVector.class, 2).getValueVector();
Float4Vector flt1V = (Float4Vector) batchLoader.getValueAccessorById(Float4Vector.class, 3).getValueVector();
Float8Vector powV = (Float8Vector) batchLoader.getValueAccessorById(Float8Vector.class, 4).getValueVector();
for (int i=0; i<batchLoader.getRecordCount(); i++) {
if (str1V.isNull(i)) {
continue;
}
String str1 = new String(str1V.get(i), Charsets.UTF_8);
long str1Length = str1LengthV.get(i);
assertTrue(str1.length() == str1Length);
int str1Ascii = str1AsciiV.get(i);
float flt1 = flt1V.get(i);
double pow = 0;
if (!powV.isNull(i)) {
pow = powV.get(i);
assertTrue(Math.pow(flt1, 2.0) == pow);
}
numRecords++;
}
result.release();
batchLoader.clear();
}
}
Example #15
| Source File: HiveORCCopiers.java From dremio-oss with Apache License 2.0 | 4 votes |
|
LongToFloat4Copier(LongColumnVector inputVector, Float4Vector outputVector) {
this.inputVector = inputVector;
this.outputVector = outputVector;
}
Example #16
| Source File: HiveORCCopiers.java From dremio-oss with Apache License 2.0 | 4 votes |
|
DoubleToFloat4Copier(DoubleColumnVector inputVector, Float4Vector outputVector) {
this.inputVector = inputVector;
this.outputVector = outputVector;
}
Example #17
| Source File: HiveFieldConverter.java From dremio-oss with Apache License 2.0 | 4 votes |
|
@Override
public void setSafeValue(ObjectInspector oi, Object hiveFieldValue, ValueVector outputVV, int outputIndex) {
final float value = (float) ((FloatObjectInspector)oi).getPrimitiveJavaObject(hiveFieldValue);
((Float4Vector) outputVV).setSafe(outputIndex, value);
}
Example #18
| Source File: ArrowFloatColumnVector.java From flink with Apache License 2.0 | 4 votes |
|
public ArrowFloatColumnVector(Float4Vector floatVector) {
this.floatVector = Preconditions.checkNotNull(floatVector);
}
Example #19
| Source File: FloatFieldReader.java From flink with Apache License 2.0 | 4 votes |
|
public FloatFieldReader(Float4Vector floatVector) {
super(floatVector);
}
Example #20
| Source File: FloatFieldReader.java From flink with Apache License 2.0 | 4 votes |
|
@Override
public Float read(int index) {
return ((Float4Vector) getValueVector()).getObject(index);
}
Example #21
| Source File: ArrowUtils.java From flink with Apache License 2.0 | 4 votes |
|
private static ArrowFieldWriter<Row> createRowArrowFieldWriter(ValueVector vector, LogicalType fieldType) {
if (vector instanceof TinyIntVector) {
return new RowTinyIntWriter((TinyIntVector) vector);
} else if (vector instanceof SmallIntVector) {
return new RowSmallIntWriter((SmallIntVector) vector);
} else if (vector instanceof IntVector) {
return new RowIntWriter((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return new RowBigIntWriter((BigIntVector) vector);
} else if (vector instanceof BitVector) {
return new RowBooleanWriter((BitVector) vector);
} else if (vector instanceof Float4Vector) {
return new RowFloatWriter((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return new RowDoubleWriter((Float8Vector) vector);
} else if (vector instanceof VarCharVector) {
return new RowVarCharWriter((VarCharVector) vector);
} else if (vector instanceof VarBinaryVector) {
return new RowVarBinaryWriter((VarBinaryVector) vector);
} else if (vector instanceof DecimalVector) {
DecimalVector decimalVector = (DecimalVector) vector;
return new RowDecimalWriter(decimalVector, getPrecision(decimalVector), decimalVector.getScale());
} else if (vector instanceof DateDayVector) {
return new RowDateWriter((DateDayVector) vector);
} else if (vector instanceof TimeSecVector || vector instanceof TimeMilliVector ||
vector instanceof TimeMicroVector || vector instanceof TimeNanoVector) {
return new RowTimeWriter(vector);
} else if (vector instanceof TimeStampVector && ((ArrowType.Timestamp) vector.getField().getType()).getTimezone() == null) {
return new RowTimestampWriter(vector);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
LogicalType elementType = ((ArrayType) fieldType).getElementType();
return new RowArrayWriter(listVector, createRowArrowFieldWriter(listVector.getDataVector(), elementType));
} else if (vector instanceof StructVector) {
RowType rowType = (RowType) fieldType;
ArrowFieldWriter<Row>[] fieldsWriters = new ArrowFieldWriter[rowType.getFieldCount()];
for (int i = 0; i < fieldsWriters.length; i++) {
fieldsWriters[i] = createRowArrowFieldWriter(
((StructVector) vector).getVectorById(i),
rowType.getTypeAt(i));
}
return new RowRowWriter((StructVector) vector, fieldsWriters);
} else {
throw new UnsupportedOperationException(String.format(
"Unsupported type %s.", fieldType));
}
}
Example #22
| Source File: HiveORCCopiers.java From dremio-oss with Apache License 2.0 | 4 votes |
|
LongToFloat4Copier(LongColumnVector inputVector, Float4Vector outputVector) {
this.inputVector = inputVector;
this.outputVector = outputVector;
}
Example #23
| Source File: ArrowUtils.java From flink with Apache License 2.0 | 4 votes |
|
private static ArrowFieldWriter<ArrayData> createArrowFieldWriterForArray(ValueVector vector, LogicalType fieldType) {
if (vector instanceof TinyIntVector) {
return TinyIntWriter.forArray((TinyIntVector) vector);
} else if (vector instanceof SmallIntVector) {
return SmallIntWriter.forArray((SmallIntVector) vector);
} else if (vector instanceof IntVector) {
return IntWriter.forArray((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return BigIntWriter.forArray((BigIntVector) vector);
} else if (vector instanceof BitVector) {
return BooleanWriter.forArray((BitVector) vector);
} else if (vector instanceof Float4Vector) {
return FloatWriter.forArray((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return DoubleWriter.forArray((Float8Vector) vector);
} else if (vector instanceof VarCharVector) {
return VarCharWriter.forArray((VarCharVector) vector);
} else if (vector instanceof VarBinaryVector) {
return VarBinaryWriter.forArray((VarBinaryVector) vector);
} else if (vector instanceof DecimalVector) {
DecimalVector decimalVector = (DecimalVector) vector;
return DecimalWriter.forArray(decimalVector, getPrecision(decimalVector), decimalVector.getScale());
} else if (vector instanceof DateDayVector) {
return DateWriter.forArray((DateDayVector) vector);
} else if (vector instanceof TimeSecVector || vector instanceof TimeMilliVector ||
vector instanceof TimeMicroVector || vector instanceof TimeNanoVector) {
return TimeWriter.forArray(vector);
} else if (vector instanceof TimeStampVector && ((ArrowType.Timestamp) vector.getField().getType()).getTimezone() == null) {
int precision;
if (fieldType instanceof LocalZonedTimestampType) {
precision = ((LocalZonedTimestampType) fieldType).getPrecision();
} else {
precision = ((TimestampType) fieldType).getPrecision();
}
return TimestampWriter.forArray(vector, precision);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
LogicalType elementType = ((ArrayType) fieldType).getElementType();
return ArrayWriter.forArray(listVector, createArrowFieldWriterForArray(listVector.getDataVector(), elementType));
} else if (vector instanceof StructVector) {
RowType rowType = (RowType) fieldType;
ArrowFieldWriter<RowData>[] fieldsWriters = new ArrowFieldWriter[rowType.getFieldCount()];
for (int i = 0; i < fieldsWriters.length; i++) {
fieldsWriters[i] = createArrowFieldWriterForRow(
((StructVector) vector).getVectorById(i),
rowType.getTypeAt(i));
}
return RowWriter.forArray((StructVector) vector, fieldsWriters);
} else {
throw new UnsupportedOperationException(String.format(
"Unsupported type %s.", fieldType));
}
}
Example #24
| Source File: ArrowUtils.java From flink with Apache License 2.0 | 4 votes |
|
public static ArrowFieldReader createRowArrowFieldReader(ValueVector vector, LogicalType fieldType) {
if (vector instanceof TinyIntVector) {
return new TinyIntFieldReader((TinyIntVector) vector);
} else if (vector instanceof SmallIntVector) {
return new SmallIntFieldReader((SmallIntVector) vector);
} else if (vector instanceof IntVector) {
return new IntFieldReader((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return new BigIntFieldReader((BigIntVector) vector);
} else if (vector instanceof BitVector) {
return new BooleanFieldReader((BitVector) vector);
} else if (vector instanceof Float4Vector) {
return new FloatFieldReader((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return new DoubleFieldReader((Float8Vector) vector);
} else if (vector instanceof VarCharVector) {
return new VarCharFieldReader((VarCharVector) vector);
} else if (vector instanceof VarBinaryVector) {
return new VarBinaryFieldReader((VarBinaryVector) vector);
} else if (vector instanceof DecimalVector) {
return new DecimalFieldReader((DecimalVector) vector);
} else if (vector instanceof DateDayVector) {
return new DateFieldReader((DateDayVector) vector);
} else if (vector instanceof TimeSecVector || vector instanceof TimeMilliVector ||
vector instanceof TimeMicroVector || vector instanceof TimeNanoVector) {
return new TimeFieldReader(vector);
} else if (vector instanceof TimeStampVector && ((ArrowType.Timestamp) vector.getField().getType()).getTimezone() == null) {
return new TimestampFieldReader(vector);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
LogicalType elementType = ((ArrayType) fieldType).getElementType();
return new ArrayFieldReader(listVector,
createRowArrowFieldReader(listVector.getDataVector(), elementType),
elementType);
} else if (vector instanceof StructVector) {
StructVector structVector = (StructVector) vector;
ArrowFieldReader[] fieldReaders = new ArrowFieldReader[structVector.size()];
for (int i = 0; i < fieldReaders.length; i++) {
fieldReaders[i] = createRowArrowFieldReader(structVector.getVectorById(i), ((RowType) fieldType).getTypeAt(i));
}
return new RowFieldReader(structVector, fieldReaders);
} else {
throw new UnsupportedOperationException(String.format(
"Unsupported type %s.", fieldType));
}
}
Example #25
| Source File: ArrowUtils.java From flink with Apache License 2.0 | 4 votes |
|
public static ColumnVector createColumnVector(ValueVector vector, LogicalType fieldType) {
if (vector instanceof TinyIntVector) {
return new ArrowTinyIntColumnVector((TinyIntVector) vector);
} else if (vector instanceof SmallIntVector) {
return new ArrowSmallIntColumnVector((SmallIntVector) vector);
} else if (vector instanceof IntVector) {
return new ArrowIntColumnVector((IntVector) vector);
} else if (vector instanceof BigIntVector) {
return new ArrowBigIntColumnVector((BigIntVector) vector);
} else if (vector instanceof BitVector) {
return new ArrowBooleanColumnVector((BitVector) vector);
} else if (vector instanceof Float4Vector) {
return new ArrowFloatColumnVector((Float4Vector) vector);
} else if (vector instanceof Float8Vector) {
return new ArrowDoubleColumnVector((Float8Vector) vector);
} else if (vector instanceof VarCharVector) {
return new ArrowVarCharColumnVector((VarCharVector) vector);
} else if (vector instanceof VarBinaryVector) {
return new ArrowVarBinaryColumnVector((VarBinaryVector) vector);
} else if (vector instanceof DecimalVector) {
return new ArrowDecimalColumnVector((DecimalVector) vector);
} else if (vector instanceof DateDayVector) {
return new ArrowDateColumnVector((DateDayVector) vector);
} else if (vector instanceof TimeSecVector || vector instanceof TimeMilliVector ||
vector instanceof TimeMicroVector || vector instanceof TimeNanoVector) {
return new ArrowTimeColumnVector(vector);
} else if (vector instanceof TimeStampVector && ((ArrowType.Timestamp) vector.getField().getType()).getTimezone() == null) {
return new ArrowTimestampColumnVector(vector);
} else if (vector instanceof ListVector) {
ListVector listVector = (ListVector) vector;
return new ArrowArrayColumnVector(listVector,
createColumnVector(listVector.getDataVector(), ((ArrayType) fieldType).getElementType()));
} else if (vector instanceof StructVector) {
StructVector structVector = (StructVector) vector;
ColumnVector[] fieldColumns = new ColumnVector[structVector.size()];
for (int i = 0; i < fieldColumns.length; ++i) {
fieldColumns[i] = createColumnVector(structVector.getVectorById(i), ((RowType) fieldType).getTypeAt(i));
}
return new ArrowRowColumnVector(structVector, fieldColumns);
} else {
throw new UnsupportedOperationException(String.format(
"Unsupported type %s.", fieldType));
}
}
Example #26
| Source File: FloatWriter.java From flink with Apache License 2.0 | 4 votes |
|
public static FloatWriter<RowData> forRow(Float4Vector floatVector) {
return new FloatWriterForRow(floatVector);
}
Example #27
| Source File: FloatWriter.java From flink with Apache License 2.0 | 4 votes |
|
public static FloatWriter<ArrayData> forArray(Float4Vector floatVector) {
return new FloatWriterForArray(floatVector);
}
Example #28
| Source File: FloatWriter.java From flink with Apache License 2.0 | 4 votes |
|
private FloatWriter(Float4Vector floatVector) {
super(floatVector);
}
Example #29
| Source File: BlockUtils.java From aws-athena-query-federation with Apache License 2.0 | 4 votes |
|
/**
* In some filtering situations it can be useful to 'unset' a row as an indication to a later processing stage
* that the row is irrelevant. The mechanism by which we 'unset' a row is actually field type specific and as such
* this method is not supported for all field types.
*
* @param row The row number to unset in the provided Block.
* @param block The Block where we'd like to unset the specified row.
*/
public static void unsetRow(int row, Block block)
{
for (FieldVector vector : block.getFieldVectors()) {
switch (vector.getMinorType()) {
case TIMESTAMPMILLITZ:
((TimeStampMilliTZVector) vector).setNull(row);
break;
case DATEDAY:
((DateDayVector) vector).setNull(row);
break;
case DATEMILLI:
((DateMilliVector) vector).setNull(row);
break;
case TINYINT:
((TinyIntVector) vector).setNull(row);
break;
case UINT1:
((UInt1Vector) vector).setNull(row);
break;
case SMALLINT:
((SmallIntVector) vector).setNull(row);
break;
case UINT2:
((UInt2Vector) vector).setNull(row);
break;
case UINT4:
((UInt4Vector) vector).setNull(row);
break;
case INT:
((IntVector) vector).setNull(row);
break;
case UINT8:
((UInt8Vector) vector).setNull(row);
break;
case BIGINT:
((BigIntVector) vector).setNull(row);
break;
case FLOAT4:
((Float4Vector) vector).setNull(row);
break;
case FLOAT8:
((Float8Vector) vector).setNull(row);
break;
case DECIMAL:
((DecimalVector) vector).setNull(row);
break;
case VARBINARY:
((VarBinaryVector) vector).setNull(row);
break;
case VARCHAR:
((VarCharVector) vector).setNull(row);
break;
case BIT:
((BitVector) vector).setNull(row);
break;
case STRUCT:
((StructVector) vector).setNull(row);
break;
case LIST:
UnionListWriter writer = ((ListVector) vector).getWriter();
writer.setPosition(row);
writer.startList();
writer.endList();
writer.setValueCount(0);
break;
default:
throw new IllegalArgumentException("Unknown type " + vector.getMinorType());
}
}
}
Example #30
| Source File: FloatWriter.java From flink with Apache License 2.0 | 4 votes |
|
private FloatWriterForRow(Float4Vector floatVector) {
super(floatVector);
}
