use of org.apache.hadoop.hive.ql.exec.vector.expressions.gen.FilterDecimalScalarEqualDecimalColumn in project hive by apache.
the class TestVectorFilterExpressions method testFilterDecimalScalarEqualDecimalColumn.
/**
* This tests the template for Decimal Scalar-Column comparison filters,
* called FilterDecimalScalarCompareColumn.txt. Only equal is tested for multiple
* cases because the logic is the same for <, >, <=, >=, == and !=.
*/
@Test
public void testFilterDecimalScalarEqualDecimalColumn() {
VectorizedRowBatch b = getVectorizedRowBatch1DecimalCol();
HiveDecimal scalar = HiveDecimal.create("-3.30");
VectorExpression expr = new FilterDecimalScalarEqualDecimalColumn(scalar, 0);
expr.evaluate(b);
// check that right row(s) are selected
assertTrue(b.selectedInUse);
assertEquals(1, b.selected[0]);
assertEquals(1, b.size);
// try again with a null value
b = getVectorizedRowBatch1DecimalCol();
b.cols[0].noNulls = false;
b.cols[0].isNull[1] = true;
expr.evaluate(b);
// verify that no rows were selected
assertEquals(0, b.size);
// try the repeating case
b = getVectorizedRowBatch1DecimalCol();
b.cols[0].isRepeating = true;
expr.evaluate(b);
// verify that no rows were selected
assertEquals(0, b.size);
// try the repeating null case
b = getVectorizedRowBatch1DecimalCol();
b.cols[0].isRepeating = true;
b.cols[0].noNulls = false;
b.cols[0].isNull[0] = true;
expr.evaluate(b);
// verify that no rows were selected
assertEquals(0, b.size);
}
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