static RowSet Source(STransaction tr, SQuery top, SSearch sc, SDict <long, SFunction> ags, Context cx)
{
RowSet?s = null;
var matches = SDict <long, Serialisable> .Empty;
if (sc.sce is STable tb)
{
for (var wb = sc.where.First(); wb != null; wb = wb.Next())
{
if (wb.Value.Lookup(cx) is SExpression x && x.op == SExpression.Op.Eql)
{
if (x.left is SColumn c && tb.names.Contains(c.name) &&
x.right != null && x.right.isValue)
{
matches = matches + (c.uid, x.right);
}
else if (x.right is SColumn cr && tb.names.Contains(cr.name) &&
x.left != null && x.left.isValue)
{
matches = matches + (cr.uid, x.left);
}
}
SearchRowSet(RowSet sce, SSearch sc, SDict <long, SFunction> ags) : base(sce._tr, sc, ags, null)
{
_sch = sc;
_sce = sce;
}
public SearchRowSet(STransaction tr, SQuery top, SSearch sc, SDict <long, SFunction> ags, Context cx)
: this(Source(tr, top, sc, ags, cx), sc, ags)
{
}