private BoundRelation PushOverProject(BoundFilterRelation node, BoundProjectRelation input)
{
var newFilter = RewriteRelation(node.Update(input.Input, node.Condition));
var newInput = input.Update(newFilter, input.Outputs);
return(newInput);
}
protected override BoundRelation RewriteProjectRelation(BoundProjectRelation node)
{
var outputs = RemoveUnusedSlots(node.Outputs, v => v);
node = node.Update(node.Input, outputs);
return(base.RewriteProjectRelation(node));
}
