public bool Equals(DateInterval other)
{
return(Start.Equals(other.Start) && End.Equals(other.End));
}
public IList <PartitionRowIDRange> IteratePartitions(IEnumerable <IPartitionReader> partitions,
DateInterval interval, IReadTransactionContext tx)
{
if (DateInterval.Any.Equals(interval))
{
return
(partitions.Select(p => new PartitionRowIDRange(p.PartitionID, 0, tx.GetRowCount(p.PartitionID) - 1))
.ToList());
}
var result = new List <PartitionRowIDRange>();
foreach (var reader in partitions)
{
if (reader == null)
{
continue;
}
long low = long.MaxValue;
long hi = long.MinValue;
int partitionID = reader.PartitionID;
var partt = tx.GetPartitionTx(partitionID);
if (interval.Start < partt.StartDate)
{
low = 0;
}
else if (partt.StartDate <= interval.Start && interval.Start < partt.EndDate)
{
// ReSharper disable once PossibleNullReferenceException
low = reader.BinarySearchTimestamp(interval.Start, tx);
if (low < 0)
{
low = ~low;
}
}
// Interval and partition end days
// are both exclusive
if (interval.End >= partt.EndDate)
{
hi = tx.GetRowCount(partitionID) - 1;
}
else if (partt.StartDate <= interval.End && interval.End < partt.EndDate)
{
// ReSharper disable once PossibleNullReferenceException
hi = reader.BinarySearchTimestamp(interval.End, tx);
if (hi < 0)
{
hi = ~hi - 1;
}
else
{
hi = hi - 1;
}
}
if (low <= hi)
{
result.Add(new PartitionRowIDRange(partitionID, low, hi));
}
}
return(result);
}
