public void AddValue(object value)
{
Count++;
if (Value == null && value != null)
{
Value = value;
}
else
{
switch (Aggregate)
{
case EAggregate.Sum:
case EAggregate.Average:
Value = DataType.Add(SourceColumn.DataType, Value ?? 0, value);
break;
case EAggregate.Min:
var compare = DataType.Compare(SourceColumn.DataType, value, Value);
if (compare == DataType.ECompareResult.Less)
{
Value = value;
}
break;
case EAggregate.Max:
var compare1 = DataType.Compare(SourceColumn.DataType, value, Value);
if (compare1 == DataType.ECompareResult.Greater)
{
Value = value;
}
break;
}
}
}
public int CompareToNoNulls(DataObject tob)
{
DataType ttype = DataType;
// Strings must be handled as a special case.
if (ttype is StringType)
{
// We must determine the locale to compare against and use that.
var stype = (StringType)ttype;
// If there is no locale defined for this type we use the locale in the
// given type.
if (stype.Locale == null)
{
ttype = tob.DataType;
}
}
return(ttype.Compare(this, tob));
}