public List <long> AllPages()
{
var results = new List <long>();
var stack = new Stack <Page>();
var root = _tx.GetReadOnlyPage(State.RootPageNumber);
stack.Push(root);
while (stack.Count > 0)
{
var p = stack.Pop();
results.Add(p.PageNumber);
var key = p.CreateNewEmptyKey();
for (int i = 0; i < p.NumberOfEntries; i++)
{
var node = p.GetNode(i);
var pageNumber = node->PageNumber;
if (p.IsBranch)
{
stack.Push(_tx.GetReadOnlyPage(pageNumber));
}
else if (node->Flags == NodeFlags.PageRef)
{
// This is an overflow page
var overflowPage = _tx.GetReadOnlyPage(pageNumber);
var numberOfPages = _tx.DataPager.GetNumberOfOverflowPages(overflowPage.OverflowSize);
for (long j = 0; j < numberOfPages; ++j)
{
results.Add(overflowPage.PageNumber + j);
}
}
else if (node->Flags == NodeFlags.MultiValuePageRef)
{
// this is a multi value
p.SetNodeKey(node, ref key);
var tree = OpenMultiValueTree(_tx, (Slice)key, node);
results.AddRange(tree.AllPages());
}
else
{
if (State.Flags.HasFlag(TreeFlags.FixedSizeTrees))
{
var valueReader = NodeHeader.Reader(_tx, node);
byte valueSize = *valueReader.Base;
var fixedSizeTreeName = p.GetNodeKey(i);
var fixedSizeTree = new FixedSizeTree(_tx, this, (Slice)fixedSizeTreeName, valueSize);
var pages = fixedSizeTree.AllPages();
results.AddRange(pages);
}
}
}
}
return(results);
}
public ReadResult Read(Slice key)
{
Lazy <Cursor> lazy;
NodeHeader * node;
var p = FindPageFor(key, out node, out lazy);
if (p.LastMatch != 0)
{
return(null);
}
return(new ReadResult(NodeHeader.Reader(_tx, node), node->Version));
}
public ReadResult Read(Slice key)
{
Lazy <Cursor> lazy;
var p = FindPageFor(key, out lazy);
if (p.LastMatch != 0)
{
return(null);
}
var node = p.GetNode(p.LastSearchPosition);
return(new ReadResult(NodeHeader.Reader(_tx, node), node->Version));
}
public StructureReader <T> ReadStructForCurrent <T>(StructureSchema <T> schema)
{
var valueReader = NodeHeader.Reader(_tx, Current);
return(new StructureReader <T>(valueReader.Base, schema));
}
public ValueReader CreateReaderForCurrent()
{
return(NodeHeader.Reader(_tx, Current));
}
