public void DeleteMappedResultsForDocumentId(string documentId, string view, Dictionary<ReduceKeyAndBucket, int> removed)
{
foreach (var key in storage.MappedResults["ByViewAndDocumentId"].SkipTo(new RavenJObject
{
{"view", view},
{"docId", documentId}
}).TakeWhile(x => StringComparer.OrdinalIgnoreCase.Equals(x.Value<string>("view"), view) &&
StringComparer.OrdinalIgnoreCase.Equals(x.Value<string>("docId"), documentId)))
{
storage.MappedResults.Remove(key);
var reduceKey = key.Value<string>("reduceKey");
var bucket = new ReduceKeyAndBucket(key.Value<int>("bucket"), reduceKey);
removed[bucket] = removed.GetOrDefault(bucket) + 1;
}
}
public void DeleteMappedResultsForDocumentId(string documentId, string view, Dictionary<ReduceKeyAndBucket, int> removed)
{
Api.JetSetCurrentIndex(session, MappedResults, "by_view_and_doc_key");
Api.MakeKey(session, MappedResults, view, Encoding.Unicode, MakeKeyGrbit.NewKey);
Api.MakeKey(session, MappedResults, documentId, Encoding.Unicode, MakeKeyGrbit.None);
if (Api.TrySeek(session, MappedResults, SeekGrbit.SeekEQ) == false)
return;
Api.MakeKey(session, MappedResults, view, Encoding.Unicode, MakeKeyGrbit.NewKey);
Api.MakeKey(session, MappedResults, documentId, Encoding.Unicode, MakeKeyGrbit.None);
Api.JetSetIndexRange(session, MappedResults, SetIndexRangeGrbit.RangeUpperLimit | SetIndexRangeGrbit.RangeInclusive);
do
{
// esent index ranges are approximate, and we need to check them ourselves as well
var viewFromDb = Api.RetrieveColumnAsString(session, MappedResults, tableColumnsCache.MappedResultsColumns["view"]);
if (StringComparer.OrdinalIgnoreCase.Equals(viewFromDb, view) == false)
continue;
var documentIdFromDb = Api.RetrieveColumnAsString(session, MappedResults, tableColumnsCache.MappedResultsColumns["document_key"]);
if (StringComparer.OrdinalIgnoreCase.Equals(documentIdFromDb, documentId) == false)
continue;
var reduceKey = Api.RetrieveColumnAsString(session, MappedResults, tableColumnsCache.MappedResultsColumns["reduce_key"],
Encoding.Unicode);
var bucket = Api.RetrieveColumnAsInt32(session, MappedResults, tableColumnsCache.MappedResultsColumns["bucket"]).Value;
var key = new ReduceKeyAndBucket(bucket, reduceKey);
removed[key] = removed.GetOrDefault(key) + 1;
Api.JetDelete(session, MappedResults);
} while (Api.TryMoveNext(session, MappedResults));
}
public void ScheduleReductions(string view, int level, ReduceKeyAndBucket reduceKeysAndBucket)
{
var bucket = reduceKeysAndBucket.Bucket;
using (var map = new Update(session, ScheduledReductions, JET_prep.Insert))
{
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["view"],
view, Encoding.Unicode);
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["reduce_key"],
reduceKeysAndBucket.ReduceKey, Encoding.Unicode);
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["hashed_reduce_key"],
HashReduceKey(reduceKeysAndBucket.ReduceKey));
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["etag"], uuidGenerator.CreateSequentialUuid(UuidType.ScheduledReductions).ToByteArray());
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["timestamp"],
SystemTime.UtcNow.ToBinary());
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["bucket"],
bucket);
Api.SetColumn(session, ScheduledReductions, tableColumnsCache.ScheduledReductionColumns["level"], level);
map.Save();
}
}
protected bool Equals(ReduceKeyAndBucket other)
{
return(Bucket == other.Bucket && string.Equals(ReduceKey, other.ReduceKey));
}
protected bool Equals(ReduceKeyAndBucket other)
{
return Bucket == other.Bucket && string.Equals(ReduceKey, other.ReduceKey);
}
public void ScheduleReductions(string view, int level, ReduceKeyAndBucket reduceKeysAndBucket)
{
var etag = generator.CreateSequentialUuid(UuidType.ScheduledReductions).ToByteArray();
storage.ScheduleReductions.UpdateKey(new RavenJObject
{
{"view", view},
{"reduceKey", reduceKeysAndBucket.ReduceKey},
{"bucket", reduceKeysAndBucket.Bucket},
{"level", level},
{"etag", etag},
{"timestamp", SystemTime.UtcNow}
});
}
