Examples with DecimalColSubtractDecimalScalar org.apache.hadoop.hive.ql.exec.vector.expressions.gen.DecimalColSubtractDecimalScalar used on opensource projects

Example 1 with DecimalColSubtractDecimalScalar

use of org.apache.hadoop.hive.ql.exec.vector.expressions.gen.DecimalColSubtractDecimalScalar in project hive by apache.

the class TestVectorArithmeticExpressions method testDecimalColSubtractDecimalScalar.

/* Spot check correctness of decimal column subtract decimal scalar. The case for
   * addition checks all the cases for the template, so don't do that redundantly here.
   */
@Test
public void testDecimalColSubtractDecimalScalar() {
    VectorizedRowBatch b = getVectorizedRowBatch3DecimalCols();
    HiveDecimal d = HiveDecimal.create(1);
    VectorExpression expr = new DecimalColSubtractDecimalScalar(0, d, 2);
    // test without nulls
    expr.evaluate(b);
    DecimalColumnVector r = (DecimalColumnVector) b.cols[2];
    assertTrue(r.vector[0].getHiveDecimal().equals(HiveDecimal.create("0.20")));
    assertTrue(r.vector[1].getHiveDecimal().equals(HiveDecimal.create("-4.30")));
    assertTrue(r.vector[2].getHiveDecimal().equals(HiveDecimal.create("-1")));
    // test that underflow produces null
    b = getVectorizedRowBatch3DecimalCols();
    DecimalColumnVector in = (DecimalColumnVector) b.cols[0];
    // set to min possible value
    in.vector[0].set(HiveDecimal.create("-9999999999999999.99"));
    expr.evaluate(b);
    r = (DecimalColumnVector) b.cols[2];
    assertFalse(r.noNulls);
    assertTrue(r.isNull[0]);
}