private static bool ProcessApplyOverAnything(
RuleProcessingContext context,
System.Data.Entity.Core.Query.InternalTrees.Node applyNode,
out System.Data.Entity.Core.Query.InternalTrees.Node newNode)
{
newNode = applyNode;
System.Data.Entity.Core.Query.InternalTrees.Node child0 = applyNode.Child0;
System.Data.Entity.Core.Query.InternalTrees.Node child1 = applyNode.Child1;
ApplyBaseOp applyBaseOp = (ApplyBaseOp)applyNode.Op;
Command command = context.Command;
ExtendedNodeInfo extendedNodeInfo1 = command.GetExtendedNodeInfo(child1);
ExtendedNodeInfo extendedNodeInfo2 = command.GetExtendedNodeInfo(child0);
bool flag = false;
if (applyBaseOp.OpType == OpType.OuterApply && extendedNodeInfo1.MinRows >= RowCount.One)
{
applyBaseOp = (ApplyBaseOp)command.CreateCrossApplyOp();
flag = true;
}
if (extendedNodeInfo1.ExternalReferences.Overlaps(extendedNodeInfo2.Definitions))
{
if (!flag)
{
return(false);
}
newNode = command.CreateNode((Op)applyBaseOp, child0, child1);
return(true);
}
if (applyBaseOp.OpType == OpType.CrossApply)
{
newNode = command.CreateNode((Op)command.CreateCrossJoinOp(), child0, child1);
}
else
{
LeftOuterJoinOp leftOuterJoinOp = command.CreateLeftOuterJoinOp();
ConstantPredicateOp trueOp = command.CreateTrueOp();
System.Data.Entity.Core.Query.InternalTrees.Node node = command.CreateNode((Op)trueOp);
newNode = command.CreateNode((Op)leftOuterJoinOp, child0, child1, node);
}
return(true);
}
/// <summary>
/// Visitor pattern method for LeftOuterJoinOp
/// </summary>
/// <param name="op"> The LeftOuterJoinOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(LeftOuterJoinOp op, Node n)
{
VisitJoinOp(op, n);
}
// <summary>
// Copies a LeftOuterJoinOp
// </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(LeftOuterJoinOp op, Node n)
{
return CopyDefault(m_destCmd.CreateLeftOuterJoinOp(), n);
}