public static DbValue Max(this RowCollection rowCollection, string column)
{
return(rowCollection.AggregateByColumn(column, (max, current) =>
(max == null || DbValueMath.Compare(current, max, Comparison.GreaterThan)) ? current : max));
}
public static DbValue Min(this RowCollection rowCollection, string column)
{
return(rowCollection.AggregateByColumn(column, (min, current) =>
(min == null || DbValueMath.Compare(current, min, Comparison.LessThan)) ? current : min));
}
public static IEnumerable <Row> OrderDescending(this RowCollection rowCollection, string column)
{
return(rowCollection.Order(new Order(column, false)));
}
public static IEnumerable <Row> Order(this RowCollection rowCollection, params Order[] orders)
{
return(rowCollection.Order((IEnumerable <Order>)orders));
}
public static IEnumerable <Row> Order(this RowCollection rowCollection, string column)
{
return(rowCollection.Order(new Order(column, true)));
}
public static IEnumerable <Row> Where(this RowCollection rowCollection, IEnumerable <Condition> conditions)
{
return(rowCollection.Where(row => CheckRowForConditions(row, conditions)).ToList());
}
public static IEnumerable <Row> Where(this RowCollection rowCollection, params Condition[] conditions)
{
return(rowCollection.Where((IEnumerable <Condition>)conditions));
}
public static IEnumerable <Row> Where(this RowCollection rowCollection, string column, Comparison comparison, DbValue value)
{
return(rowCollection.Where(new Condition(column, comparison, value)));
}
public static DbValue Sum(this RowCollection rowCollection, string column)
{
return(rowCollection.AggregateByColumn(column, DbValueMath.Sum));
}