/// <summary>
/// 从文件中读取读取所有数作为快照供查询使用，，目前是快照全部，这里大量数据时不能这么做
/// </summary>
/// <returns></returns>
public virtual IReadOnlyList <object[]> SnapshotRows()
{
List <object[]> vs = new List <object[]>();
_docrows.FindAll().ToList().ForEach(doc =>
{
var value = BsonMapper.Global.ToObject(_entityType.ClrType, doc);
vs.Add(_entityType.GetProperties().Select(p => ReadFieldValue(p, value)).ToArray());
});
return(vs);
}
public override ComparableBytesAbstract[] GetMigrationCanidates(int Count)
{
var canidates = LCol.FindAll().Take(Count);
return(canidates.Select(x => x.GetKeyCByte()).ToArray());
}