protected virtual string BuildGroupByField(GroupBy groupby)
{
string field = string.Empty;
if (string.IsNullOrWhiteSpace(groupby.Function))
{
field = string.Format(genericGroupByField, groupby.TableAlias, groupby.FieldName);
}
else
{
field = string.Format(genericGroupByFunction, groupby.Function, groupby.GetUniqueParameter());
}
return(field);
}