internal static void WriteHeader(ref SpanWriter writer, Guid?guid)
{
if (guid.HasValue)
{
writer.WriteByteArrayRaw(MagicStartOfFileWithGuid);
writer.WriteGuid(guid.Value);
}
else
{
writer.WriteByteArrayRaw(MagicStartOfFile);
}
}
uint ReadRelationVersions(uint relationIndex, string name, Dictionary <uint, RelationVersionInfo> relationVersions)
{
uint lastPersistedVersion = 0;
var relationInfoResolver = new RelationInfoResolver((ObjectDB)_tr.Owner);
var writer = new SpanWriter();
writer.WriteByteArrayRaw(ObjectDB.RelationVersionsPrefix);
writer.WriteVUInt32(relationIndex);
var prefix = writer.GetSpan().ToArray();
if (!_trkv.FindFirstKey(prefix))
{
return(lastPersistedVersion);
}
do
{
var keyReader = new SpanReader(_trkv.GetKey().Slice(prefix.Length));
var valueReader = new SpanReader(_trkv.GetValue());
lastPersistedVersion = keyReader.ReadVUInt32();
var relationVersionInfo = RelationVersionInfo.LoadUnresolved(ref valueReader, name);
relationVersionInfo.ResolveFieldHandlers(relationInfoResolver.FieldHandlerFactory);
relationVersions[lastPersistedVersion] = relationVersionInfo;
} while (_trkv.FindNextKey(prefix));
return(lastPersistedVersion);
}
internal void WriteHeader(ref SpanWriter writer)
{
writer.WriteByteArrayRaw(DiskChunkCache.MagicStartOfFile);
writer.WriteUInt8((byte)DiskChunkFileType.HashIndex);
writer.WriteVInt64(_generation);
writer.WriteVUInt32((uint)KeySize);
writer.WriteVUInt64((ulong)KeyValueCount);
}
public void WriteHeader(ref SpanWriter writer)
{
writer.WriteByteArrayRaw(DiskChunkCache.MagicStartOfFile);
writer.WriteUInt8((byte)DiskChunkFileType.PureValues);
writer.WriteVInt64(_generation);
}
