private TsdbTableEntity Convert(BinaryWriter writer, MemoryStream stream, TEntry entry, string partitionKey)
{
var entity = new TsdbTableEntity();
entity.RowKey = AtsKeyCalculator.CalculateRowKey(entry.GetTimestamp());
entity.PartitionKey = partitionKey;
AtsSerializer.SerializeEntry <TKey, TEntry>(writer, entry);
entity.P0 = stream.ToArray();
return(entity);
}
private string CreateSpecificPartitionFilter(TKey key, DateTime from, DateTime to, string partitionKeyRange)
{
var id = _keyConverter.Convert(key);
var fromRowKey = AtsKeyCalculator.CalculateRowKey(from);
var toRowKey = AtsKeyCalculator.CalculateRowKey(to);
var partitionKey = AtsKeyCalculator.CalculatePartitionKey(id, partitionKeyRange);
return(TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, partitionKey),
TableOperators.And,
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.LessThanOrEqual, fromRowKey),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThan, toRowKey))));
}
private string CreateBeforeFilter(TKey key, DateTime to)
{
var id = _keyConverter.Convert(key);
var toRowKey = AtsKeyCalculator.CalculateRowKey(to);
var toPartitionKey = AtsKeyCalculator.CalculatePartitionKey(id, key, to, _partitioningProvider); // 7125
var fromPartitionKey = AtsKeyCalculator.CalculateMinPartitionKey(id, key, _partitioningProvider); // 9999
return(TableQuery.CombineFilters(
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.LessThanOrEqual, fromPartitionKey),
TableOperators.And,
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.GreaterThanOrEqual, toPartitionKey)),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThan, toRowKey)));
}
private string CreateGeneralFilter(TKey key, DateTime from, DateTime to)
{
var id = _keyConverter.Convert(key);
var fromRowKey = AtsKeyCalculator.CalculateRowKey(from);
var toRowKey = AtsKeyCalculator.CalculateRowKey(to);
var fromPartitionKey = AtsKeyCalculator.CalculatePartitionKey(id, key, from, _partitioningProvider);
var toPartitionKey = AtsKeyCalculator.CalculatePartitionKey(id, key, to.AddTicks(-1), _partitioningProvider); // -1 tick because it is an approximation value and we use gte operation
return(TableQuery.CombineFilters(
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.LessThanOrEqual, fromPartitionKey),
TableOperators.And,
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.GreaterThanOrEqual, toPartitionKey)),
TableOperators.And,
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.LessThanOrEqual, fromRowKey),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThan, toRowKey))));
}
private List <TsdbTableEntity> CreateTableEntitiesFor(TKey key, List <TEntry> entries)
{
List <TsdbTableEntity> tableEntities = new List <TsdbTableEntity>();
var id = _keyConverter.Convert(key);
var results = AtsSerializer.Serialize <TKey, TEntry>(entries, TsdbTableEntity.MaxByteCapacity);
foreach (var result in results)
{
var entity = new TsdbTableEntity();
entity.SetData(result.Data);
entity.RowKey = AtsKeyCalculator.CalculateRowKey(result.From);
entity.PartitionKey = AtsKeyCalculator.CalculatePartitionKey(id, key, result.From, _partitioningProvider);
tableEntities.Add(entity);
}
return(tableEntities);
}