internal string GetPhysicalPathToTheUserTable(string userTableName)
{
try
{
byte[] btTableName = GetUserTableNameAsByte(userTableName);
ulong fileName = 0;
//Getting file name
LTrieRow row = LTrie.GetKey(btTableName, false);
if (row.Exists)
{
byte[] fullValue = row.GetFullValue(true);
//Can be parsed different. First protocol version is 1
ushort schemeProtocol = fullValue.Substring(0, 2).To_UInt16_BigEndian();
switch (schemeProtocol)
{
case 1:
fileName = fullValue.Substring(2, 8).To_UInt64_BigEndian();
break;
default:
throw DBreezeException.Throw(DBreezeException.eDBreezeExceptions.SCHEME_FILE_PROTOCOL_IS_UNKNOWN);
}
}
else
return String.Empty;
//Getting folder
//For now returns path inside working folder, later re-make, take into consideration mapping of DB to tother folders.
string alternativeTableLocation = String.Empty;
if (CheckAlternativeTableLocationsIntersections(userTableName, out alternativeTableLocation))
{
if (alternativeTableLocation == String.Empty)
{
//In memory table
//return Path.Combine(Engine.MainFolder, fileName.ToString());
return "MEMORY";
}
else
{
//returning alternative folder + fileName
return Path.Combine(alternativeTableLocation, fileName.ToString());
}
}
else
{
//Standard path (Dbreeze mainFolder + fileName)
return Path.Combine(Engine.MainFolder, fileName.ToString());
}
}
catch (OperationCanceledException ex)
{
throw ex;
}
//catch (System.Threading.ThreadAbortException ex)
//{
// //We don'T make DBisOperable = false;
// throw ex;
//}
catch (Exception ex)
{
this.Engine.DBisOperable = false;
this.Engine.DBisOperableReason = "GetPhysicalPathToTheUserTable";
throw DBreezeException.Throw(DBreezeException.eDBreezeExceptions.GENERAL_EXCEPTION_DB_NOT_OPERABLE, this.Engine.DBisOperableReason, ex);
}
}
