/// <summary>
/// B+树索引根节点
/// </summary>
/// <param name="attribute"></param>
internal IndexRootAttribute(MainFileTableAttribute attribute)
{
buffer = attribute.Buffer;
startIndex = attribute.DataStartIndex;
if ((int)EntryOffset < 0 || (int)TotalSize <= 0)
{
buffer = null;
}
}
/// <summary>
/// 标准属性
/// </summary>
/// <param name="attribute"></param>
public StandardAttribute(MainFileTableAttribute attribute)
{
buffer = attribute.Buffer;
startIndex = attribute.DataStartIndex;
}
/// <summary>
/// 索引扩展
/// </summary>
/// <param name="attribute"></param>
public ClusterStreamAttribute(MainFileTableAttribute attribute)
{
buffer = attribute.Buffer;
startIndex = attribute.DataStartIndex;
}
