Examples with DoubleColumnVector org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector used on opensource projects

Example 16 with DoubleColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector in project hive by apache.

the class TestVectorTypeCasts method testVectorCastLongToDouble.

@Test
public void testVectorCastLongToDouble() {
    VectorizedRowBatch b = TestVectorMathFunctions.getVectorizedRowBatchLongInDoubleOut();
    DoubleColumnVector resultV = (DoubleColumnVector) b.cols[1];
    b.cols[0].noNulls = true;
    VectorExpression expr = new CastLongToDouble(0, 1);
    expr.evaluate(b);
    Assert.assertEquals(2.0, resultV.vector[4]);
}

Example 17 with DoubleColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector in project hive by apache.

the class TestVectorTypeCasts method testCastTimestampToDouble.

@Test
public void testCastTimestampToDouble() {
    double[] doubleValues = new double[500];
    VectorizedRowBatch b = TestVectorMathFunctions.getVectorizedRowBatchTimestampInDoubleOut(doubleValues);
    TimestampColumnVector inV = (TimestampColumnVector) b.cols[0];
    DoubleColumnVector resultV = (DoubleColumnVector) b.cols[1];
    b.cols[0].noNulls = true;
    VectorExpression expr = new CastTimestampToDouble(0, 1);
    expr.evaluate(b);
    for (int i = 0; i < doubleValues.length; i++) {
        double actual = resultV.vector[i];
        double doubleValue = TimestampUtils.getDouble(inV.asScratchTimestamp(i));
        assertEquals(actual, doubleValue, 0.000000001F);
    }
}

Example 18 with DoubleColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector in project hive by apache.

the class TestVectorTypeCasts method getBatchDoubleDecimal.

private VectorizedRowBatch getBatchDoubleDecimal() {
    VectorizedRowBatch b = new VectorizedRowBatch(2);
    DoubleColumnVector dv;
    short scale = 2;
    b.cols[0] = dv = new DoubleColumnVector();
    b.cols[1] = new DecimalColumnVector(18, scale);
    b.size = 3;
    dv.vector[0] = 0d;
    dv.vector[1] = -1d;
    dv.vector[2] = 99999999999999.0d;
    return b;
}

Example 19 with DoubleColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector in project hive by apache.

the class TestVectorTypeCasts method testCastDecimalToDouble.

@Test
public void testCastDecimalToDouble() {
    // tolerance to check double equality
    final double eps = 0.000001d;
    // test basic case
    VectorizedRowBatch b = getBatchDecimalDouble();
    VectorExpression expr = new CastDecimalToDouble(0, 1);
    expr.evaluate(b);
    DoubleColumnVector r = (DoubleColumnVector) b.cols[1];
    assertEquals(1.1d, r.vector[0], eps);
    assertEquals(-2.2d, r.vector[1], eps);
    assertEquals(9999999999999999.0d, r.vector[2], eps);
    // test with nulls in input
    b = getBatchDecimalDouble();
    b.cols[0].noNulls = false;
    b.cols[0].isNull[1] = true;
    expr.evaluate(b);
    r = (DoubleColumnVector) b.cols[1];
    assertFalse(r.noNulls);
    assertTrue(r.isNull[1]);
    assertFalse(r.isNull[0]);
    assertEquals(1.1d, r.vector[0], eps);
    // test repeating case
    b = getBatchDecimalDouble();
    b.cols[0].isRepeating = true;
    expr.evaluate(b);
    r = (DoubleColumnVector) b.cols[1];
    assertTrue(r.isRepeating);
    assertEquals(1.1d, r.vector[0], eps);
    // test repeating nulls case
    b = getBatchDecimalDouble();
    b.cols[0].isRepeating = true;
    b.cols[0].noNulls = false;
    b.cols[0].isNull[0] = true;
    expr.evaluate(b);
    r = (DoubleColumnVector) b.cols[1];
    assertTrue(r.isRepeating);
    assertTrue(r.isNull[0]);
}

Example 20 with DoubleColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector in project hive by apache.

the class TestVectorizedORCReader method checkVectorizedReader.

private void checkVectorizedReader() throws Exception {
    Reader vreader = OrcFile.createReader(testFilePath, OrcFile.readerOptions(conf));
    Reader reader = OrcFile.createReader(testFilePath, OrcFile.readerOptions(conf));
    RecordReaderImpl vrr = (RecordReaderImpl) vreader.rows();
    RecordReaderImpl rr = (RecordReaderImpl) reader.rows();
    VectorizedRowBatch batch = reader.getSchema().createRowBatch();
    OrcStruct row = null;
    // Check Vectorized ORC reader against ORC row reader
    while (vrr.nextBatch(batch)) {
        for (int i = 0; i < batch.size; i++) {
            row = (OrcStruct) rr.next(row);
            for (int j = 0; j < batch.cols.length; j++) {
                Object a = (row.getFieldValue(j));
                ColumnVector cv = batch.cols[j];
                // if the value is repeating, use row 0
                int rowId = cv.isRepeating ? 0 : i;
                // make sure the null flag agrees
                if (a == null) {
                    Assert.assertEquals(true, !cv.noNulls && cv.isNull[rowId]);
                } else if (a instanceof BooleanWritable) {
                    // Boolean values are stores a 1's and 0's, so convert and compare
                    Long temp = (long) (((BooleanWritable) a).get() ? 1 : 0);
                    long b = ((LongColumnVector) cv).vector[rowId];
                    Assert.assertEquals(temp.toString(), Long.toString(b));
                } else if (a instanceof TimestampWritable) {
                    // Timestamps are stored as long, so convert and compare
                    TimestampWritable t = ((TimestampWritable) a);
                    TimestampColumnVector tcv = ((TimestampColumnVector) cv);
                    Assert.assertEquals(t.getTimestamp(), tcv.asScratchTimestamp(rowId));
                } else if (a instanceof DateWritable) {
                    // Dates are stored as long, so convert and compare
                    DateWritable adt = (DateWritable) a;
                    long b = ((LongColumnVector) cv).vector[rowId];
                    Assert.assertEquals(adt.get().getTime(), DateWritable.daysToMillis((int) b));
                } else if (a instanceof HiveDecimalWritable) {
                    // Decimals are stored as BigInteger, so convert and compare
                    HiveDecimalWritable dec = (HiveDecimalWritable) a;
                    HiveDecimalWritable b = ((DecimalColumnVector) cv).vector[i];
                    Assert.assertEquals(dec, b);
                } else if (a instanceof DoubleWritable) {
                    double b = ((DoubleColumnVector) cv).vector[rowId];
                    assertEquals(a.toString(), Double.toString(b));
                } else if (a instanceof Text) {
                    BytesColumnVector bcv = (BytesColumnVector) cv;
                    Text b = new Text();
                    b.set(bcv.vector[rowId], bcv.start[rowId], bcv.length[rowId]);
                    assertEquals(a, b);
                } else if (a instanceof IntWritable || a instanceof LongWritable || a instanceof ByteWritable || a instanceof ShortWritable) {
                    assertEquals(a.toString(), Long.toString(((LongColumnVector) cv).vector[rowId]));
                } else {
                    assertEquals("huh", a.getClass().getName());
                }
            }
        }
        // Check repeating
        Assert.assertEquals(false, batch.cols[0].isRepeating);
        Assert.assertEquals(false, batch.cols[1].isRepeating);
        Assert.assertEquals(false, batch.cols[2].isRepeating);
        Assert.assertEquals(true, batch.cols[3].isRepeating);
        Assert.assertEquals(false, batch.cols[4].isRepeating);
        Assert.assertEquals(false, batch.cols[5].isRepeating);
        Assert.assertEquals(false, batch.cols[6].isRepeating);
        Assert.assertEquals(false, batch.cols[7].isRepeating);
        Assert.assertEquals(false, batch.cols[8].isRepeating);
        Assert.assertEquals(false, batch.cols[9].isRepeating);
        // Check non null
        Assert.assertEquals(false, batch.cols[0].noNulls);
        Assert.assertEquals(false, batch.cols[1].noNulls);
        Assert.assertEquals(true, batch.cols[2].noNulls);
        Assert.assertEquals(true, batch.cols[3].noNulls);
        Assert.assertEquals(false, batch.cols[4].noNulls);
        Assert.assertEquals(false, batch.cols[5].noNulls);
        Assert.assertEquals(false, batch.cols[6].noNulls);
        Assert.assertEquals(false, batch.cols[7].noNulls);
        Assert.assertEquals(false, batch.cols[8].noNulls);
        Assert.assertEquals(false, batch.cols[9].noNulls);
    }
    Assert.assertEquals(false, rr.nextBatch(batch));
}