public override RowSet RowSet(STransaction tr, SQuery top, SDict <long, SFunction> ags, Context cx)
{
var lf = left.RowSet(tr, left, ags, cx);
var rg = right.RowSet(lf._tr, right, ags, cx);
return(new JoinRowSet(top, this, lf, rg, ags, cx));
}
public override RowSet RowSet(STransaction tr, SQuery top, SDict <long, SFunction> ags, Context cx)
{
for (var b = order.First(); b != null; b = b.Next())
{
ags = b.Value.col.Aggregates(ags, cx);
}
var ags1 = ags;
for (var b = cpos.First(); b != null; b = b.Next())
{
ags1 = b.Value.Item2.Aggregates(ags1, cx);
}
RowSet r = new SelectRowSet(qry.RowSet(tr, this, ags1, cx), this, ags, cx);
// perform another pass on the selectlist just in case
if (!(qry is SGroupQuery))
{
for (var b = cpos.First(); b != null; b = b.Next())
{
ags = b.Value.Item2.Aggregates(ags, cx);
}
if (ags.Length != 0)
{
r = new EvalRowSet(((SelectRowSet)r)._source, this, ags, cx);
}
}
if (distinct)
{
r = new DistinctRowSet(r);
}
if (order.Length != 0)
{
r = new OrderedRowSet(r, this, cx);
}
return(r);
}