private static bool ProcessOuterApplyOverProject(
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 child1_1 = applyNode.Child1;
System.Data.Entity.Core.Query.InternalTrees.Node child1_2 = child1_1.Child1;
TransformationRulesContext transformationRulesContext = (TransformationRulesContext)context;
Var computedVar = context.Command.GetExtendedNodeInfo(child1_1.Child0).NonNullableDefinitions.First;
if (computedVar == null && child1_2.Children.Count == 1 && (child1_2.Child0.Child0.Op.OpType == OpType.InternalConstant || child1_2.Child0.Child0.Op.OpType == OpType.NullSentinel))
{
return(false);
}
Command command = context.Command;
System.Data.Entity.Core.Query.InternalTrees.Node node1 = (System.Data.Entity.Core.Query.InternalTrees.Node)null;
InternalConstantOp internalConstantOp = (InternalConstantOp)null;
ExtendedNodeInfo extendedNodeInfo1 = command.GetExtendedNodeInfo(child1_1.Child0);
bool flag = false;
foreach (System.Data.Entity.Core.Query.InternalTrees.Node child in child1_2.Children)
{
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(child.Op.OpType == OpType.VarDef, "Expected VarDefOp. Found " + (object)child.Op.OpType + " instead");
VarRefOp op = child.Child0.Op as VarRefOp;
if (op == null || !extendedNodeInfo1.Definitions.IsSet(op.Var))
{
if (computedVar == null)
{
internalConstantOp = command.CreateInternalConstantOp(command.IntegerType, (object)1);
System.Data.Entity.Core.Query.InternalTrees.Node node2 = command.CreateNode((Op)internalConstantOp);
System.Data.Entity.Core.Query.InternalTrees.Node varDefListNode = command.CreateVarDefListNode(node2, out computedVar);
ProjectOp projectOp = command.CreateProjectOp(computedVar);
projectOp.Outputs.Or(extendedNodeInfo1.Definitions);
node1 = command.CreateNode((Op)projectOp, child1_1.Child0, varDefListNode);
}
System.Data.Entity.Core.Query.InternalTrees.Node node3 = internalConstantOp == null || !internalConstantOp.IsEquivalent(child.Child0.Op) && child.Child0.Op.OpType != OpType.NullSentinel ? transformationRulesContext.BuildNullIfExpression(computedVar, child.Child0) : command.CreateNode((Op)command.CreateVarRefOp(computedVar));
child.Child0 = node3;
command.RecomputeNodeInfo(child);
flag = true;
}
}
if (flag)
{
command.RecomputeNodeInfo(child1_2);
}
applyNode.Child1 = node1 ?? child1_1.Child0;
command.RecomputeNodeInfo(applyNode);
child1_1.Child0 = applyNode;
ExtendedNodeInfo extendedNodeInfo2 = command.GetExtendedNodeInfo(applyNode.Child0);
((ProjectOp)child1_1.Op).Outputs.Or(extendedNodeInfo2.Definitions);
newNode = child1_1;
return(true);
}
private static bool ProcessOuterApplyOverDummyProjectOverFilter(
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 child1 = applyNode.Child1;
ProjectOp op = (ProjectOp)child1.Op;
System.Data.Entity.Core.Query.InternalTrees.Node child0_1 = child1.Child0;
System.Data.Entity.Core.Query.InternalTrees.Node child0_2 = child0_1.Child0;
Command command = context.Command;
ExtendedNodeInfo extendedNodeInfo1 = command.GetExtendedNodeInfo(child0_2);
ExtendedNodeInfo extendedNodeInfo2 = command.GetExtendedNodeInfo(applyNode.Child0);
if (op.Outputs.Overlaps(extendedNodeInfo2.Definitions) || extendedNodeInfo1.ExternalReferences.Overlaps(extendedNodeInfo2.Definitions))
{
return(false);
}
bool flag1 = false;
TransformationRulesContext transformationRulesContext = (TransformationRulesContext)context;
Var int32Var;
bool flag2;
if (TransformationRulesContext.TryGetInt32Var((IEnumerable <Var>)extendedNodeInfo1.NonNullableDefinitions, out int32Var))
{
flag2 = true;
}
else
{
int32Var = extendedNodeInfo1.NonNullableDefinitions.First;
flag2 = false;
}
System.Data.Entity.Core.Query.InternalTrees.Node node1;
if (int32Var != null)
{
flag1 = true;
System.Data.Entity.Core.Query.InternalTrees.Node child0_3 = child1.Child1.Child0;
child0_3.Child0 = child0_3.Child0.Op.OpType != OpType.NullSentinel || !flag2 || !transformationRulesContext.CanChangeNullSentinelValue ? transformationRulesContext.BuildNullIfExpression(int32Var, child0_3.Child0) : context.Command.CreateNode((Op)context.Command.CreateVarRefOp(int32Var));
command.RecomputeNodeInfo(child0_3);
command.RecomputeNodeInfo(child1.Child1);
node1 = child0_2;
}
else
{
node1 = child1;
foreach (Var externalReference in command.GetNodeInfo(child0_1.Child1).ExternalReferences)
{
if (extendedNodeInfo1.Definitions.IsSet(externalReference))
{
op.Outputs.Set(externalReference);
}
}
child1.Child0 = child0_2;
}
context.Command.RecomputeNodeInfo(child1);
System.Data.Entity.Core.Query.InternalTrees.Node node2 = command.CreateNode((Op)command.CreateLeftOuterJoinOp(), applyNode.Child0, node1, child0_1.Child1);
if (flag1)
{
ExtendedNodeInfo extendedNodeInfo3 = command.GetExtendedNodeInfo(node2);
child1.Child0 = node2;
op.Outputs.Or(extendedNodeInfo3.Definitions);
newNode = child1;
}
else
{
newNode = node2;
}
return(true);
}