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

Example 1 with DecimalScalarDivideDecimalColumn

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

the class TestVectorArithmeticExpressions method testDecimalScalarDivideDecimalColumn.

/* Test decimal scalar divided column. This tests the primary logic
   * for template ScalarDivideColumnDecimal.txt.
   */
@Test
public void testDecimalScalarDivideDecimalColumn() {
    VectorizedRowBatch b = getVectorizedRowBatch3DecimalCols();
    // 1.20 * 3.30
    HiveDecimal d = HiveDecimal.create("3.96");
    VectorExpression expr = new DecimalScalarDivideDecimalColumn(d, 0, 2);
    // test without nulls
    expr.evaluate(b);
    DecimalColumnVector r = (DecimalColumnVector) b.cols[2];
    assertTrue(r.vector[0].getHiveDecimal().equals(HiveDecimal.create("3.3")));
    assertTrue(r.vector[1].getHiveDecimal().equals(HiveDecimal.create("-1.2")));
    // entry 2 is null due to zero-divide
    assertFalse(r.noNulls);
    assertTrue(r.isNull[2]);
    // test null propagation
    b = getVectorizedRowBatch3DecimalCols();
    DecimalColumnVector in = (DecimalColumnVector) b.cols[0];
    r = (DecimalColumnVector) b.cols[2];
    in.noNulls = false;
    in.isNull[0] = true;
    expr.evaluate(b);
    assertTrue(!r.noNulls);
    assertTrue(r.isNull[0]);
    // test repeating case, no nulls
    b = getVectorizedRowBatch3DecimalCols();
    in = (DecimalColumnVector) b.cols[0];
    in.isRepeating = true;
    expr.evaluate(b);
    r = (DecimalColumnVector) b.cols[2];
    assertTrue(r.isRepeating);
    assertTrue(r.vector[0].getHiveDecimal().equals(HiveDecimal.create("3.3")));
    // test repeating case for null value
    b = getVectorizedRowBatch3DecimalCols();
    in = (DecimalColumnVector) b.cols[0];
    in.isRepeating = true;
    in.isNull[0] = true;
    in.noNulls = false;
    expr.evaluate(b);
    r = (DecimalColumnVector) b.cols[2];
    assertTrue(r.isRepeating);
    assertTrue(!r.noNulls);
    assertTrue(r.isNull[0]);
}