Examples with IntVector org.apache.arrow.vector.IntVector used on opensource projects

Example 6 with IntVector

use of org.apache.arrow.vector.IntVector in project beam by apache.

the class ArrowConversionTest method rowIterator.

@Test
public void rowIterator() {
    org.apache.arrow.vector.types.pojo.Schema schema = new org.apache.arrow.vector.types.pojo.Schema(asList(field("int32", new ArrowType.Int(32, true)), field("float64", new ArrowType.FloatingPoint(FloatingPointPrecision.DOUBLE)), field("string", new ArrowType.Utf8()), field("timestampMicroUTC", new ArrowType.Timestamp(TimeUnit.MICROSECOND, "UTC")), field("timestampMilliUTC", new ArrowType.Timestamp(TimeUnit.MILLISECOND, "UTC")), field("int32_list", new ArrowType.List(), field("int32s", new ArrowType.Int(32, true))), field("boolean", new ArrowType.Bool()), field("fixed_size_binary", new ArrowType.FixedSizeBinary(3))));
    Schema beamSchema = ArrowConversion.ArrowSchemaTranslator.toBeamSchema(schema);
    VectorSchemaRoot expectedSchemaRoot = VectorSchemaRoot.create(schema, allocator);
    expectedSchemaRoot.allocateNew();
    expectedSchemaRoot.setRowCount(16);
    IntVector intVector = (IntVector) expectedSchemaRoot.getFieldVectors().get(0);
    Float8Vector floatVector = (Float8Vector) expectedSchemaRoot.getFieldVectors().get(1);
    VarCharVector strVector = (VarCharVector) expectedSchemaRoot.getFieldVectors().get(2);
    TimeStampMicroTZVector timestampMicroUtcVector = (TimeStampMicroTZVector) expectedSchemaRoot.getFieldVectors().get(3);
    TimeStampMilliTZVector timeStampMilliTZVector = (TimeStampMilliTZVector) expectedSchemaRoot.getFieldVectors().get(4);
    ListVector int32ListVector = (ListVector) expectedSchemaRoot.getFieldVectors().get(5);
    IntVector int32ListElementVector = int32ListVector.<IntVector>addOrGetVector(new org.apache.arrow.vector.types.pojo.FieldType(false, new ArrowType.Int(32, true), null)).getVector();
    BitVector boolVector = (BitVector) expectedSchemaRoot.getFieldVectors().get(6);
    FixedSizeBinaryVector fixedSizeBinaryVector = (FixedSizeBinaryVector) expectedSchemaRoot.getFieldVectors().get(7);
    ArrayList<Row> expectedRows = new ArrayList<>();
    for (int i = 0; i < 16; i++) {
        DateTime dt = new DateTime(2019, 1, i + 1, i, i, i, DateTimeZone.UTC);
        expectedRows.add(Row.withSchema(beamSchema).addValues(i, i + .1 * i, "" + i, dt, dt, ImmutableList.of(i), (i % 2) != 0, new byte[] { (byte) i, (byte) (i + 1), (byte) (i + 2) }).build());
        intVector.set(i, i);
        floatVector.set(i, i + .1 * i);
        strVector.set(i, new Text("" + i));
        timestampMicroUtcVector.set(i, dt.getMillis() * 1000);
        timeStampMilliTZVector.set(i, dt.getMillis());
        int32ListVector.startNewValue(i);
        int32ListElementVector.set(i, i);
        int32ListVector.endValue(i, 1);
        boolVector.set(i, i % 2);
        fixedSizeBinaryVector.set(i, new byte[] { (byte) i, (byte) (i + 1), (byte) (i + 2) });
    }
    assertThat(ImmutableList.copyOf(ArrowConversion.rowsFromRecordBatch(beamSchema, expectedSchemaRoot)), IsIterableContainingInOrder.contains(expectedRows.stream().map((row) -> equalTo(row)).collect(ImmutableList.toImmutableList())));
    expectedSchemaRoot.close();
}

Example 7 with IntVector

use of org.apache.arrow.vector.IntVector in project twister2 by DSC-SPIDAL.

the class ArrowAllToAll method onReceive.

@Override
public void onReceive(int source, ChannelBuffer buffer, int length) {
    PendingReceiveTable table = receives.get(source);
    receivedBuffers++;
    ArrowBuf buf = ((ArrowChannelBuffer) buffer).getArrowBuf();
    table.buffers.add(buf);
    if (table.bufferIndex == 0) {
        table.fieldNodes.add(new ArrowFieldNode(table.noArray, 0));
    }
    VectorSchemaRoot schemaRoot = table.root;
    List<FieldVector> fieldVectors = schemaRoot.getFieldVectors();
    // we received everything for this array
    if (table.noBuffers == table.bufferIndex + 1) {
        FieldVector fieldVector = fieldVectors.get(table.columnIndex);
        loadBuffers(fieldVector, fieldVector.getField(), table.buffers.iterator(), table.fieldNodes.iterator());
        table.arrays.add(fieldVector);
        table.buffers.clear();
        if (table.arrays.size() == schemaRoot.getFieldVectors().size()) {
            List<ArrowColumn> columns = new ArrayList<>();
            // create the table
            for (FieldVector v : fieldVectors) {
                ArrowColumn c;
                if (v instanceof BaseFixedWidthVector) {
                    if (v instanceof IntVector) {
                        c = new Int4Column((IntVector) v);
                    } else if (v instanceof Float4Vector) {
                        c = new Float4Column((Float4Vector) v);
                    } else if (v instanceof Float8Vector) {
                        c = new Float8Column((Float8Vector) v);
                    } else if (v instanceof UInt8Vector) {
                        c = new Int8Column((UInt8Vector) v);
                    } else if (v instanceof UInt2Vector) {
                        c = new UInt2Column((UInt2Vector) v);
                    } else {
                        throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                    }
                } else if (v instanceof BaseVariableWidthVector) {
                    if (v instanceof VarCharVector) {
                        c = new StringColumn((VarCharVector) v);
                    } else if (v instanceof VarBinaryVector) {
                        c = new BinaryColumn((VarBinaryVector) v);
                    } else {
                        throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                    }
                } else {
                    throw new RuntimeException("Un-supported type : " + v.getClass().getName());
                }
                columns.add(c);
            }
            Table t = new ArrowTable(schemaRoot.getSchema(), table.noArray, columns);
            LOG.info("Received table from source " + source + " to " + table.target + " count" + t.rowCount());
            recvCallback.onReceive(source, table.target, t);
            table.clear();
        }
    }
}

Example 8 with IntVector

use of org.apache.arrow.vector.IntVector in project carbondata by apache.

the class ArrowWriter method createFieldWriter.

private static ArrowFieldWriter createFieldWriter(ValueVector valueVector) {
    if (valueVector instanceof BitVector) {
        return new BooleanWriter((BitVector) valueVector);
    } else if (valueVector instanceof TinyIntVector) {
        return new ByteWriter((TinyIntVector) valueVector);
    } else if (valueVector instanceof SmallIntVector) {
        return new ShortWriter((SmallIntVector) valueVector);
    } else if (valueVector instanceof IntVector) {
        return new IntWriter((IntVector) valueVector);
    } else if (valueVector instanceof BigIntVector) {
        return new LongWriter((BigIntVector) valueVector);
    } else if (valueVector instanceof DecimalVector) {
        DecimalVector decimalVector = (DecimalVector) valueVector;
        final Field field = decimalVector.getField();
        ArrowType.Decimal c = (ArrowType.Decimal) field.getType();
        return new DecimalWriter((DecimalVector) valueVector, c.getPrecision(), c.getScale());
    } else if (valueVector instanceof VarCharVector) {
        return new StringWriter((VarCharVector) valueVector);
    } else if (valueVector instanceof Float4Vector) {
        return new FloatWriter((Float4Vector) valueVector);
    } else if (valueVector instanceof Float8Vector) {
        return new DoubleWriter((Float8Vector) valueVector);
    } else if (valueVector instanceof ListVector) {
        ArrowFieldWriter elementVector = createFieldWriter(((ListVector) valueVector).getDataVector());
        return new ArrayWriter((ListVector) valueVector, elementVector);
    } else if (valueVector instanceof StructVector) {
        StructVector s = (StructVector) valueVector;
        List<ArrowFieldWriter> arrowFieldWriters = new ArrayList<>();
        for (int i = 0; i < s.size(); i++) {
            arrowFieldWriters.add(createFieldWriter(s.getChildByOrdinal(i)));
        }
        return new StructWriter(s, arrowFieldWriters.toArray(new ArrowFieldWriter[arrowFieldWriters.size()]));
    } else if (valueVector instanceof VarBinaryVector) {
        return new BinaryWriter((VarBinaryVector) valueVector);
    } else if (valueVector instanceof DateDayVector) {
        return new DateWriter((DateDayVector) valueVector);
    } else if (valueVector instanceof TimeStampMicroTZVector) {
        return new TimeStampWriter((TimeStampMicroTZVector) valueVector);
    } else {
        throw new UnsupportedOperationException("Invalid data type");
    }
}