use of org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter in project flink by apache.
the class ArrowUtils method createArrowFieldWriterForArray.
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));
}
}
use of org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter in project flink by apache.
the class ArrowUtilsTest method testCreateArrowWriter.
@Test
public void testCreateArrowWriter() {
VectorSchemaRoot root = VectorSchemaRoot.create(ArrowUtils.toArrowSchema(rowType), allocator);
ArrowWriter<RowData> writer = ArrowUtils.createRowDataArrowWriter(root, rowType);
ArrowFieldWriter<RowData>[] fieldWriters = writer.getFieldWriters();
for (int i = 0; i < fieldWriters.length; i++) {
assertEquals(testFields.get(i).f3, fieldWriters[i].getClass());
}
}
use of org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter in project flink by apache.
the class ArrowUtils method createRowDataArrowWriter.
/**
* Creates an {@link ArrowWriter} for the specified {@link VectorSchemaRoot}.
*/
public static ArrowWriter<RowData> createRowDataArrowWriter(VectorSchemaRoot root, RowType rowType) {
ArrowFieldWriter<RowData>[] fieldWriters = new ArrowFieldWriter[root.getFieldVectors().size()];
List<FieldVector> vectors = root.getFieldVectors();
for (int i = 0; i < vectors.size(); i++) {
FieldVector vector = vectors.get(i);
vector.allocateNew();
fieldWriters[i] = createArrowFieldWriterForRow(vector, rowType.getTypeAt(i));
}
return new ArrowWriter<>(root, fieldWriters);
}
use of org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter in project flink by apache.
the class ArrowUtils method createArrowFieldWriterForRow.
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));
}
}
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