public void CanReadValuesBackWithoutFilter()
{
var state = new StorageState("none", new StorageOptions
{
ParanoidChecks = true,
FilterPolicy = null
});
string name;
using (var file = CreateFile())
{
name = file.Name;
using (var tblBuilder = new TableBuilder(state, file, new TemporaryFiles(state.FileSystem, 1)))
{
for (int i = 0; i < 10; i++)
{
string k = "tests/" + i.ToString("0000");
tblBuilder.Add(new InternalKey(k, 1, ItemType.Value).TheInternalKey, new MemoryStream(Encoding.UTF8.GetBytes(k)));
}
tblBuilder.Finish();
file.Flush(true);
}
}
using (var mmf = MemoryMappedFile.CreateFromFile(name, FileMode.Open))
{
var length = new FileInfo(name).Length;
using (var table = new Table(state, new FileData(new MemoryMappedFileAccessor(name, mmf), length)))
using (var iterator = table.CreateIterator(new ReadOptions()))
{
for (int i = 0; i < 10; i++)
{
string k = "tests/" + i.ToString("0000");
iterator.Seek(new InternalKey(k, 100, ItemType.Value).TheInternalKey);
Assert.True(iterator.IsValid);
using (var stream = iterator.CreateValueStream())
using (var reader = new StreamReader(stream))
{
Assert.Equal(k, reader.ReadToEnd());
}
}
}
}
}
private Table FindTable(ulong fileNumber, long fileSize)
{
slim.EnterReadLock();
try
{
Table table;
if (cache.TryGet(fileNumber, out table))
{
return table;
}
}
finally
{
slim.ExitReadLock();
}
slim.EnterWriteLock();
try
{
Table table;
if (cache.TryGet(fileNumber, out table))
{
return table;
}
var filePath = state.FileSystem.GetFullFileName(fileNumber, Constants.Files.Extensions.TableFile);
IAccessor file = state.FileSystem.OpenMemoryMap(filePath);
var fileData = new FileData(file, fileSize);
table = new Table(state, fileData);
cache.Set(fileNumber, table);
return table;
}
finally
{
slim.ExitWriteLock();
}
}
private IEnumerable<RavenJObject> YieldSstContents(Table table, Reference<Slice> reference)
{
using (var iterator = table.CreateIterator(new ReadOptions()))
{
iterator.Seek(reference.Value);
while (iterator.IsValid)
{
reference.Value = iterator.Key;
using (var stream = iterator.CreateValueStream())
{
yield return RavenJObject.Load(new BsonReader(stream));
}
iterator.Next();
}
}
}