Aggregate()

override object System.Data.Common.DateTimeOffsetStorage.Aggregate ( int[] records, AggregateType kind )

inlinevirtual

Reimplemented from System.Data.Common.DataStorage.

Definition at line 18 of file DateTimeOffsetStorage.cs.

    {
        bool flag = false;
        try
        {
            switch (kind)
            {
            case AggregateType.Min:
            {
                DateTimeOffset dateTimeOffset2 = DateTimeOffset.MaxValue;
                foreach (int num3 in records)
                {
                    if (HasValue(num3))
                    {
                        dateTimeOffset2 = ((DateTimeOffset.Compare(_values[num3], dateTimeOffset2) < 0) ? _values[num3] : dateTimeOffset2);
                        flag = true;
                    }
                }
                if (flag)
                {
                    return dateTimeOffset2;
                }
                return _nullValue;
            }
            case AggregateType.Max:
            {
                DateTimeOffset dateTimeOffset = DateTimeOffset.MinValue;
                foreach (int num2 in records)
                {
                    if (HasValue(num2))
                    {
                        dateTimeOffset = ((DateTimeOffset.Compare(_values[num2], dateTimeOffset) >= 0) ? _values[num2] : dateTimeOffset);
                        flag = true;
                    }
                }
                if (flag)
                {
                    return dateTimeOffset;
                }
                return _nullValue;
            }
            case AggregateType.First:
                if (records.Length != 0)
                {
                    return _values[records[0]];
                }
                return null;
            case AggregateType.Count:
            {
                int num = 0;
                for (int i = 0; i < records.Length; i++)
                {
                    if (HasValue(records[i]))
                    {
                        num++;
                    }
                }
                return num;
            }
            }
        }
        catch (OverflowException)
        {
            throw ExprException.Overflow(typeof(DateTimeOffset));
        }
        throw ExceptionBuilder.AggregateException(kind, _dataType);
    }

References System.Data.Common.DataStorage._dataType, System.Data.Common.DataStorage._nullValue, System.Data.Common.DateTimeOffsetStorage._values, System.Data.ExceptionBuilder.AggregateException(), System.DateTimeOffset.Compare(), System.Xml.Dictionary, System.Data.Common.DataStorage.HasValue(), System.DateTimeOffset.MaxValue, System.DateTimeOffset.MinValue, and System.Data.ExprException.Overflow().