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

Example 31 with DecimalColumnVector

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

the class TestVectorTypeCasts method getBatchDecimalLong2.

private VectorizedRowBatch getBatchDecimalLong2() {
    VectorizedRowBatch b = new VectorizedRowBatch(2);
    DecimalColumnVector dv;
    short scale = 9;
    b.cols[0] = dv = new DecimalColumnVector(18, scale);
    b.cols[1] = new LongColumnVector();
    b.size = 3;
    dv.vector[0].set(HiveDecimal.create("1.111111111"));
    dv.vector[1].set(HiveDecimal.create("-2.222222222"));
    dv.vector[2].set(HiveDecimal.create("31536000.999999999"));
    return b;
}

Example 32 with DecimalColumnVector

use of org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector 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 33 with DecimalColumnVector

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

the class TestVectorTypeCasts method getBatchLongDecimal.

private VectorizedRowBatch getBatchLongDecimal() {
    VectorizedRowBatch b = new VectorizedRowBatch(2);
    LongColumnVector lv;
    b.cols[0] = lv = new LongColumnVector();
    b.cols[1] = new DecimalColumnVector(18, 2);
    lv.vector[0] = 0;
    lv.vector[1] = -1;
    lv.vector[2] = 99999999999999L;
    return b;
}

Example 34 with DecimalColumnVector

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

the class TestVectorTypeCasts method testCastStringToDecimal.

@Test
public void testCastStringToDecimal() throws HiveException {
    VectorizedRowBatch b = getBatchStringDecimal();
    VectorExpression expr = new CastStringToDecimal(0, 1);
    expr.evaluate(b);
    DecimalColumnVector r = (DecimalColumnVector) b.cols[1];
    assertTrue(r.vector[0].getHiveDecimal().equals(HiveDecimal.create("1.10")));
    assertTrue(r.vector[1].getHiveDecimal().equals(HiveDecimal.create("-2.20")));
    assertTrue(r.vector[2].getHiveDecimal().equals(HiveDecimal.create("99999999999999.0")));
}

Example 35 with DecimalColumnVector

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

the class TestVectorTypeCasts method testCastTimestampToDecimal.

@Test
public void testCastTimestampToDecimal() throws HiveException {
    // The input timestamps are stored as long values
    // measured in nanoseconds from the epoch.
    HiveDecimal[] hiveDecimalValues = new HiveDecimal[500];
    VectorizedRowBatch b = getBatchTimestampDecimal(hiveDecimalValues);
    VectorExpression expr = new CastTimestampToDecimal(0, 1);
    expr.evaluate(b);
    DecimalColumnVector r = (DecimalColumnVector) b.cols[1];
    for (int i = 0; i < hiveDecimalValues.length; i++) {
        HiveDecimal hiveDecimal = r.vector[i].getHiveDecimal();
        HiveDecimal expectedHiveDecimal = hiveDecimalValues[i];
        if (!hiveDecimal.equals(expectedHiveDecimal)) {
            assertTrue(false);
        }
    }
    // Try again with a value that won't fit in 5 digits, to make
    // sure that NULL is produced.
    b.cols[1] = r = new DecimalColumnVector(hiveDecimalValues.length, 5, 2);
    expr.evaluate(b);
    r = (DecimalColumnVector) b.cols[1];
    for (int i = 0; i < hiveDecimalValues.length; i++) {
        HiveDecimal hiveDecimal = r.vector[i].getHiveDecimal();
        HiveDecimal expectedHiveDecimal = hiveDecimalValues[i];
        if (HiveDecimal.enforcePrecisionScale(expectedHiveDecimal, 5, 2) == null) {
            assertTrue(r.isNull[i]);
        } else {
            assertTrue(!r.isNull[i]);
            if (!hiveDecimal.equals(expectedHiveDecimal)) {
                assertTrue(false);
            }
        }
    }
}