public SIndex(STransaction tr, SIndex x, AStream f) : base(x, f)
{
table = tr.Fix(x.table);
long[] c = new long[x.cols.Length];
var i = 0;
for (var b = x.cols.First(); b != null; b = b.Next())
{
c[i++] = tr.Fix(b.Value);
}
cols = SList <long> .New(c);
rows = x.rows;
}