public void CanReadWrittenBlobRecord()
{
var tableFile = RandomFilename;
var schema = new Schema();
schema.AddBlobField("field", 40);
_tableInfo = new TableInfo(tableFile, schema);
_recordFile = new RecordFile(_tableInfo, _transaction);
_recordFile.MoveToRID(new RID(0, 0));
_recordFile.SetBlob("field", new byte[] { 1, 2, 3, 4, 5 });
_recordFile.Close();
_transaction.Commit();
var cm = new ConcurrencyManager();
var newTr = new Transaction(_dispatcher, _bufferManager, cm, _fileManager, _logManager);
var rf = new RecordFile(_tableInfo, newTr);
rf.MoveToRID(new RID(0, 0));
var value = rf.GetBlob("field");
Assert.AreEqual(new byte[] { 1, 2, 3, 4, 5 }, value);
}
public Constant GetValue(string fieldName)
{
var type = _schema.FieldType(fieldName);
switch (type)
{
case FieldType.Bool:
return(new Constant <bool>(_recordFile.GetBool(fieldName)));
case FieldType.Byte:
return(new Constant <byte>(_recordFile.GetByte(fieldName)));
case FieldType.Integer:
return(new Constant <int>(_recordFile.GetInt(fieldName)));
case FieldType.Blob:
return(new Constant <byte[]>(_recordFile.GetBlob(fieldName)));
case FieldType.Date:
return(new Constant <DateTime>(_recordFile.GetDate(fieldName)));
}
return(null);
}