public SDatabase Install(SIndex x, long c)
{
var tb = (STable)objects[x.table];
for (var b = tb.rows.First(); b != null; b = b.Next())
{
x += (Get(b.Value.Item2), b.Value.Item2);
}
tb = new STable(tb, tb.indexes + (x.uid, true));
return(New(objects + (x.uid, x) + (tb.uid, tb), names, c));
}
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;
}
static STransaction Rdc(STransaction tr, SIndex ix, SCList <Variant> _key)
{
if (_key.Length == 0)
{
return(tr + ix.table);
}
var mb = ix.rows.PositionAt(_key);
if (mb == null)
{
return(tr);
}
if (mb.hasMore(tr, ix.cols.Length ?? 0))
{
return(tr + ix.table);
}
return(tr + mb.Value.Item2);
}
public IndexRowSet(STransaction tr, STable t, SIndex ix, SCList <Variant> key, SList <Serialisable> wh)
: base(Rdc(tr, ix, key), t, SDict <long, SFunction> .Empty, t.rows.Length)
{
_ix = ix; _key = key; _wh = wh;
_unique = key.Length == _ix.cols.Length;
}
internal SIndex(SIndex x, long t, SList <long> c) : base(x)
{
table = t; cols = c;
primary = x.primary;
rows = x.rows;
}