Deveel.Data.AggregateFunctionTests.Sum_Column C# (CSharp) Method

        public void Sum_Column()
        {
            var result = SelectAggregate("SUM", SqlExpression.Reference(new ObjectName("a")));
            Assert.IsNotNull(result);
            Assert.IsFalse(result.IsNull);
            Assert.IsInstanceOf<NumericType>(result.Type);
            Assert.IsInstanceOf<SqlNumber>(result.Value);

            var value = (SqlNumber)result.Value;
            Assert.AreEqual(new SqlNumber(1015), value);
        }