/// <summary> /// Copies a group by into node /// </summary> /// <param name="op">The Op to Copy</param> /// <param name="n">The Node that references the Op</param> /// <returns>A copy of the original Node that references a copy of the original Op</returns> public override Node Visit(GroupByIntoOp op, Node n) { // Visit the Node's children and map their Vars List <Node> children = ProcessChildren(n); // Create a new GroupByOp that uses copies of the Key and Output VarSets of the original GroupByOp GroupByIntoOp newGroupOp = m_destCmd.CreateGroupByIntoOp(Copy(op.Keys), Copy(op.Inputs), Copy(op.Outputs)); // Return a new Node that references the copied GroupByOp and has the copied child Nodes as its children return(m_destCmd.CreateNode(newGroupOp, children)); }
public override void Visit(GroupByIntoOp op, Node n) { VisitGroupByOp(op, n); Assert(n.Child3.Children.Count > 0, "GroupByInto with no group aggregate vars"); }