/// <summary>
///
/// </summary>
/// <param name="internalId"></param>
/// <returns></returns>
void GetListOfDocumentVersionsInternal(long docSpaceId, int internalId, DBreeze.Transactions.Transaction tran, List<int> res)
{
string DocTableName = DocumentsStorageTablesPrefix + "d" + docSpaceId.ToString();
var vt = tran.SelectTable<int>(DocTableName, 3, 0);
foreach (var row in vt.SelectForwardFromTo<byte[], byte>(
internalId.To_4_bytes_array_BigEndian().ConcatMany(int.MinValue.To_4_bytes_array_BigEndian(), int.MinValue.To_4_bytes_array_BigEndian()), true,
internalId.To_4_bytes_array_BigEndian().ConcatMany(int.MaxValue.To_4_bytes_array_BigEndian(), int.MaxValue.To_4_bytes_array_BigEndian()), true
))
{
res.Add(row.Key.Substring(8,4).To_Int32_BigEndian());
}
}
/// <summary>
/// Function to be used inside of internal transaction
/// </summary>
/// <param name="tran"></param>
/// <param name="documentSpace"></param>
/// <returns></returns>
public long InTran_GetDocumentSpaceId(DBreeze.Transactions.Transaction tran, string documentSpace)
{
var mt = tran.SelectTable<int>(DocumentsStorageTablesPrefix + "m", 1, 0);
var docSpaceId = mt.Select<string, long>(documentSpace).Value;
return docSpaceId;
}
/// <summary>
///
/// </summary>
/// <param name="docSpaceId"></param>
/// <param name="internalId"></param>
/// <param name="includeContent"></param>
/// <param name="includeSearchables"></param>
/// <param name="tran"></param>
/// <returns></returns>
Document GetDocById(long docSpaceId, int internalId, bool includeContent, bool includeSearchables, DBreeze.Transactions.Transaction tran)
{
try
{
if (docSpaceId < 1 || internalId < 1)
return null; //No such document
string docTable = DocumentsStorageTablesPrefix + "d" + docSpaceId.ToString();
//Getting latest document correct version
string DocTableName = DocumentsStorageTablesPrefix + "d" + docSpaceId.ToString();
var vt = tran.SelectTable<int>(DocTableName, 3, 0);
int sequentialId = 0;
foreach (var row1 in vt.SelectBackwardFromTo<byte[], byte>(
internalId.To_4_bytes_array_BigEndian().ConcatMany(int.MaxValue.To_4_bytes_array_BigEndian(), int.MaxValue.To_4_bytes_array_BigEndian()), true,
internalId.To_4_bytes_array_BigEndian().ConcatMany(int.MinValue.To_4_bytes_array_BigEndian(), int.MinValue.To_4_bytes_array_BigEndian()), true
))
{
if (row1.Value == 1) //Document is completely deleted
break;
//Getting the latest version of the document index
sequentialId = row1.Key.Substring(8, 4).To_Int32_BigEndian();
break;
}
if (sequentialId == 0)
return null; //Probably Doc is deleted
//Getting document using internalID
var dt = tran.SelectTable<int>(docTable, 1, 0); //document table
dt.ValuesLazyLoadingIsOn = false;
var row = dt.Select<int, byte[]>(sequentialId);
if (!row.Exists)
return null; //No such document
return RetrieveDocument(includeContent, includeSearchables, dt, row);
}
catch (Exception ex)
{
throw ex;
}
}
