protected override void VisitSetOp(SetOp op, Node n)
{
Dictionary <string, object> attrs = new Dictionary <string, object>();
if (OpType.UnionAll == op.OpType)
{
UnionAllOp unionAllOp = (UnionAllOp)op;
if (unionAllOp.BranchDiscriminator != null)
{
attrs.Add("branchDiscriminator", (object)unionAllOp.BranchDiscriminator);
}
}
using (new Dump.AutoXml(this, (Op)op, attrs))
{
using (new Dump.AutoXml(this, "outputs"))
{
foreach (Var output in op.Outputs)
{
this.DumpVar(output);
}
}
int num = 0;
foreach (Node child in n.Children)
{
using (new Dump.AutoXml(this, "input", new Dictionary <string, object>()
{
{
"VarMap",
(object)op.VarMap[num++].ToString()
}
}))
this.VisitNode(child);
}
}
}
// <summary>
// Copies a UnionAllOp
// </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(UnionAllOp op, Node n)
{
return(CopySetOp(op, n));
}
public override Node Visit(UnionAllOp op, Node n)
{
return(this.CopySetOp((SetOp)op, n));
}
public virtual void Visit(UnionAllOp op, Node n)
{
this.VisitSetOp((SetOp)op, n);
}
protected override NodeInfo VisitSetOp(SetOp op, Node n)
{
ExtendedNodeInfo extendedNodeInfo1 = this.InitExtendedNodeInfo(n);
extendedNodeInfo1.Definitions.InitFrom(op.Outputs);
extendedNodeInfo1.LocalDefinitions.InitFrom(op.Outputs);
ExtendedNodeInfo extendedNodeInfo2 = this.GetExtendedNodeInfo(n.Child0);
ExtendedNodeInfo extendedNodeInfo3 = this.GetExtendedNodeInfo(n.Child1);
RowCount rowCount = RowCount.Zero;
extendedNodeInfo1.ExternalReferences.Or(extendedNodeInfo2.ExternalReferences);
extendedNodeInfo1.ExternalReferences.Or(extendedNodeInfo3.ExternalReferences);
if (op.OpType == OpType.UnionAll)
{
rowCount = extendedNodeInfo2.MinRows > extendedNodeInfo3.MinRows ? extendedNodeInfo2.MinRows : extendedNodeInfo3.MinRows;
}
if (op.OpType == OpType.Intersect || op.OpType == OpType.Except)
{
extendedNodeInfo1.Keys.InitFrom((IEnumerable <Var>)op.Outputs);
}
else
{
UnionAllOp unionAllOp = (UnionAllOp)op;
if (unionAllOp.BranchDiscriminator == null)
{
extendedNodeInfo1.Keys.NoKeys = true;
}
else
{
VarVec varVec = this.m_command.CreateVarVec();
for (int index = 0; index < n.Children.Count; ++index)
{
ExtendedNodeInfo extendedNodeInfo4 = n.Children[index].GetExtendedNodeInfo(this.m_command);
if (!extendedNodeInfo4.Keys.NoKeys && !extendedNodeInfo4.Keys.KeyVars.IsEmpty)
{
VarVec other = extendedNodeInfo4.Keys.KeyVars.Remap((Dictionary <Var, Var>)unionAllOp.VarMap[index].GetReverseMap());
varVec.Or(other);
}
else
{
varVec.Clear();
break;
}
}
if (varVec.IsEmpty)
{
extendedNodeInfo1.Keys.NoKeys = true;
}
else
{
extendedNodeInfo1.Keys.InitFrom((IEnumerable <Var>)varVec);
}
}
}
VarVec other1 = extendedNodeInfo2.NonNullableDefinitions.Remap((Dictionary <Var, Var>)op.VarMap[0].GetReverseMap());
extendedNodeInfo1.NonNullableDefinitions.InitFrom(other1);
if (op.OpType != OpType.Except)
{
VarVec other2 = extendedNodeInfo3.NonNullableDefinitions.Remap((Dictionary <Var, Var>)op.VarMap[1].GetReverseMap());
if (op.OpType == OpType.Intersect)
{
extendedNodeInfo1.NonNullableDefinitions.Or(other2);
}
else
{
extendedNodeInfo1.NonNullableDefinitions.And(other2);
}
}
extendedNodeInfo1.NonNullableDefinitions.And(op.Outputs);
extendedNodeInfo1.MinRows = rowCount;
return((NodeInfo)extendedNodeInfo1);
}
/// <summary>
/// Visitor pattern method for UnionAllOp
/// </summary>
/// <param name="op"> The UnionAllOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(UnionAllOp op, Node n)
{
VisitSetOp(op, n);
}
// <summary>
// UnionAll
// </summary>
public virtual TResultType Visit(UnionAllOp op, Node n)
{
return(VisitSetOp(op, n));
}
public virtual TResultType Visit(UnionAllOp op, Node n)
{
return(this.VisitSetOp((SetOp)op, n));
}