public bool RemoveEntry(LowLevelTransaction lltx, long key, out FixedSizeTreeNodeEntry entry)
{
var page = GetPageForUpdate(lltx, key, Constants.BTreeLeafPageDepth);
if (page == null)
{
entry = FixedSizeTreeNodeEntry.Empty;
return(false);
}
if (true)
{
page.Search(key);
}
if (page.LastMatch != 0 || page.LastMatchIndex < 0)
{
entry = FixedSizeTreeNodeEntry.Empty;
return(false);
}
if (page.FixedHeader.Count == 1)
{
lltx.WriteMultiLogBegin();
}
if (true)
{
entry = page.RemoveEntry(lltx, page.LastMatchIndex);
}
if (page.FixedHeader.Count == 0)
{
RemovePageRecursion(lltx, page, entry.Key);
lltx.WriteMultiLogEnd();
}
return(true);
}
public bool TryGetEntry(LowLevelTransaction lltx, long key, out FixedSizeTreeNodeEntry nodeEntry)
{
var page = GetPageForQuery(lltx, key, Constants.BTreeLeafPageDepth);
if (page == null)
{
nodeEntry = FixedSizeTreeNodeEntry.Empty;
return(false);
}
if (true)
{
page.Search(key);
}
if (page.LastMatch != 0 || page.LastMatchIndex < 0)
{
nodeEntry = FixedSizeTreeNodeEntry.Empty;
return(false);
}
nodeEntry = page.GetNodeEntry(page.LastMatchIndex);
return(true);
}
public bool MoveNext(LowLevelTransaction lltx, out FixedSizeTreeNodeEntry entry)
{
ref var fixedHeader = ref Current.FixedHeader;
