public DbSelectSumExpression(string column, string other, DbSumExpressionType type)
: base(column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
if (other == null)
{
throw new ArgumentNullException("other");
}
_other = other;
_type = type;
}
protected static DbSelect S_SUM <T>(string column, string other, DbSumExpressionType type) where T : IDbReader
{
return(new DbSelectSumExpression <T>(column, other, type));
}
protected static DbSelect S_SUM(string column, string other, DbSumExpressionType type)
{
return(new DbSelectSumExpression(column, other, type));
}
