// =============== Частные случаи =================
public PValue GetById(string id)
{
if (table.Count() == 0)
{
return(new PValue(null, Int64.MinValue, null));
}
PaEntry entry = table.Element(0);
PaEntry index_entry = index_cell.Root.BinarySearchFirst(ent =>
{
long off = (long)ent.Get();
entry.offset = off;
return(0 - id.CompareTo((string)entry.Field(i_field).Get()));
});
if (index_entry.offset == Int64.MinValue)
{
return(new PValue(null, Int64.MinValue, null));
}
long cell_offset = (long)index_entry.Get();
entry.offset = cell_offset;
var rec = entry.GetValue();
return(rec);
}
//========================================================= для тестирования, не для использования
public PValue GetById(string id)
{
PaEntry ent = item_dic == null?id_index.GetFirst(en => ((IComparable)en.Field(1).Get()).CompareTo(id))
: item_dic[id];
return(ent.GetValue());
}
public PValue GetById(string id)
{
long offset = si.FindFirst(id);
PaEntry entry = cell.Root.Element(0);
entry.offset = offset;
var rec = entry.GetValue();
//Console.WriteLine(rec.Type.Interpret(rec.Value));
return(rec);
}
public void SelectById(string id)
{
long offset = index.SelectFirst(id);
//Console.WriteLine("offset=" + offset);
PaEntry entry = cell.Root.Element(0);
entry.offset = offset;
PValue pv = entry.GetValue();
Console.WriteLine("record=" + pv.Type.Interpret(pv.Value));
}
public void Search(string ss)
{
ss = ss.ToLower();
int n = ss.Length;
foreach (var off in ni.FindAll(obj => {
if (((string)obj).StartsWith(ss))
{
return(0);
}
return(((string)obj).CompareTo(ss));
}))
{
PaEntry entry = cell.Root.Element(0);
entry.offset = off;
var rec = entry.GetValue();
//Console.WriteLine("VAlu=" + rec.Type.Interpret(rec.Value));
}
}
//========================================================= для тестирования, не для использования
public PValue GetById(string id)
{
PaEntry ent = id_index.GetFirst(id);
return(ent.GetValue());
}
//=========================================================
public void GetById(string id)
{
PaEntry ent = id_index.GetFirst(id);
var val = ent.GetValue();
//Console.WriteLine(val.Type.Interpret(val.Value));
}