public DocumentTableRow ReadDocument(int documentId)
{
var address = AddressReader.Read(
new BlockInfo(documentId * BlockSize, BlockSize));
var documentsOffset = Version.KeyIndexOffset + Version.KeyIndexSize;
using (var documentReader = new DocumentReader(
Stream, Version.Compression, KeyIndex, documentsOffset, leaveOpen: true))
{
var document = documentReader.Read(address);
document.TableId = documentId;
return(document);
}
}
public DocumentTableStream(Stream stream, SegmentInfo ix, int skip = 0, int take = int.MaxValue)
: base(ix.PrimaryKeyFieldName)
{
_dataFile = stream;
_ix = ix;
_dataFile.Seek(_ix.KeyIndexOffset, SeekOrigin.Begin);
var keyIndex = DocumentSerializer.ReadKeyIndex(_dataFile, _ix.KeyIndexSize);
_hashReader = new DocHashReader(_dataFile, _ix.DocHashOffset, leaveOpen: false);
_addressReader = new BlockInfoReader(_dataFile, _ix.DocAddressesOffset);
_documentReader = new DocumentReader(
_dataFile, _ix.Compression, keyIndex, _ix.KeyIndexOffset + _ix.KeyIndexSize, leaveOpen: false);
_skip = skip;
_take = take;
}