public override bool Equals(object obj)
{
SimplePropertyRef simplePropertyRef = obj as SimplePropertyRef;
if (simplePropertyRef != null && Command.EqualTypes((EdmType)this.m_property.DeclaringType, (EdmType)simplePropertyRef.m_property.DeclaringType))
{
return(simplePropertyRef.m_property.Name.Equals(this.m_property.Name));
}
return(false);
}
private static PropertyRefList GetKeyProperties(md.EntityType entityType)
{
var desiredProperties = new PropertyRefList();
foreach (var p in entityType.KeyMembers)
{
var edmP = p as md.EdmProperty;
PlanCompiler.Assert(edmP != null, "EntityType had non-EdmProperty key member?");
var pRef = new SimplePropertyRef(edmP);
desiredProperties.Add(pRef);
}
return(desiredProperties);
}
private static PropertyRefList GetKeyProperties(EntityType entityType)
{
PropertyRefList propertyRefList = new PropertyRefList();
foreach (EdmMember keyMember in entityType.KeyMembers)
{
EdmProperty edmProperty = keyMember as EdmProperty;
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(edmProperty != null, "EntityType had non-EdmProperty key member?");
SimplePropertyRef simplePropertyRef = new SimplePropertyRef((EdmMember)edmProperty);
propertyRefList.Add((PropertyRef)simplePropertyRef);
}
return(propertyRefList);
}
internal IEnumerable <PropertyRef> GetKeyPropertyRefs()
{
EntityTypeBase entityType = (EntityTypeBase)null;
RefType refType = (RefType)null;
entityType = !TypeHelpers.TryGetEdmType <RefType>(this.m_type, out refType) ? TypeHelpers.GetEdmType <EntityTypeBase>(this.m_type) : refType.ElementType;
foreach (EdmMember keyMember in entityType.KeyMembers)
{
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(keyMember is EdmProperty, "Non-EdmProperty key members are not supported");
SimplePropertyRef spr = new SimplePropertyRef(keyMember);
yield return((PropertyRef)spr);
}
}
private void CreateFlattenedRecordType(RootTypeInfo type)
{
bool flag = TypeSemantics.IsEntityType(type.Type) && type.ImmediateSubTypes.Count == 0;
List <KeyValuePair <string, TypeUsage> > keyValuePairList = new List <KeyValuePair <string, TypeUsage> >();
HashSet <string> stringSet = new HashSet <string>();
int num = 0;
foreach (PropertyRef propertyRef in type.PropertyRefList)
{
string key = (string)null;
if (flag)
{
SimplePropertyRef simplePropertyRef = propertyRef as SimplePropertyRef;
if (simplePropertyRef != null)
{
key = simplePropertyRef.Property.Name;
}
}
if (key == null)
{
key = "F" + num.ToString((IFormatProvider)CultureInfo.InvariantCulture);
++num;
}
while (stringSet.Contains(key))
{
key = "F" + num.ToString((IFormatProvider)CultureInfo.InvariantCulture);
++num;
}
TypeUsage propertyType = this.GetPropertyType(type, propertyRef);
keyValuePairList.Add(new KeyValuePair <string, TypeUsage>(key, propertyType));
stringSet.Add(key);
}
type.FlattenedType = TypeHelpers.CreateRowType((IEnumerable <KeyValuePair <string, TypeUsage> >)keyValuePairList);
IEnumerator <PropertyRef> enumerator = type.PropertyRefList.GetEnumerator();
foreach (EdmProperty property in type.FlattenedType.Properties)
{
if (!enumerator.MoveNext())
{
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(false, "property refs count and flattened type member count mismatch?");
}
type.AddPropertyMapping(enumerator.Current, property);
}
}
internal IEnumerable <PropertyRef> GetKeyPropertyRefs()
{
md.EntityTypeBase entityType = null;
md.RefType refType = null;
if (TypeHelpers.TryGetEdmType(m_type, out refType))
{
entityType = refType.ElementType;
}
else
{
entityType = TypeHelpers.GetEdmType <md.EntityTypeBase>(m_type);
}
// Walk through the list of keys of the entity type, and find their analogs in the
// "flattened" type
foreach (var p in entityType.KeyMembers)
{
// Eventually this could be RelationshipEndMember, but currently only properties are suppported as key members
PlanCompiler.Assert(p is md.EdmProperty, "Non-EdmProperty key members are not supported");
var spr = new SimplePropertyRef(p);
yield return(spr);
}
}
private TypeUsage GetPropertyType(RootTypeInfo typeInfo, PropertyRef p)
{
TypeUsage type = (TypeUsage)null;
PropertyRef propertyRef = (PropertyRef)null;
while (p is NestedPropertyRef)
{
NestedPropertyRef nestedPropertyRef = (NestedPropertyRef)p;
p = nestedPropertyRef.OuterProperty;
propertyRef = nestedPropertyRef.InnerProperty;
}
if (p is TypeIdPropertyRef)
{
SimplePropertyRef simplePropertyRef = (SimplePropertyRef)propertyRef;
type = simplePropertyRef == null ? typeInfo.TypeIdType : this.GetTypeInfo(simplePropertyRef.Property.TypeUsage).RootType.TypeIdType;
}
else if (p is EntitySetIdPropertyRef || p is NullSentinelPropertyRef)
{
type = this.m_intType;
}
else if (p is RelPropertyRef)
{
type = ((RelPropertyRef)p).Property.ToEnd.TypeUsage;
}
else
{
SimplePropertyRef simplePropertyRef = p as SimplePropertyRef;
if (simplePropertyRef != null)
{
type = Helper.GetModelTypeUsage(simplePropertyRef.Property);
}
}
TypeUsage newType = this.GetNewType(type);
System.Data.Entity.Core.Query.PlanCompiler.PlanCompiler.Assert(null != newType, "unrecognized property type?");
return(newType);
}
private Node FlattenConstructor(ScalarOp op, Node n)
{
PlanCompiler.Assert(
op.OpType == OpType.NewInstance || op.OpType == OpType.NewRecord || op.OpType == OpType.DiscriminatedNewEntity
|| op.OpType == OpType.NewEntity,
"unexpected op: " + op.OpType + "?");
// First visit all my children
VisitChildren(n);
// Find the new type corresponding to the type
var typeInfo = m_typeInfo.GetTypeInfo(op.Type);
var flatType = typeInfo.FlattenedType;
var newEntityOp = op as NewEntityBaseOp;
// Identify the fields
IEnumerable opFields = null;
DiscriminatedNewEntityOp discriminatedNewInstanceOp = null;
if (op.OpType
== OpType.NewRecord)
{
// Get only those fields that I have values for
opFields = ((NewRecordOp)op).Properties;
}
else if (op.OpType
== OpType.DiscriminatedNewEntity)
{
// Get all properties projected by the discriminated new instance op
discriminatedNewInstanceOp = (DiscriminatedNewEntityOp)op;
opFields = discriminatedNewInstanceOp.DiscriminatorMap.Properties;
}
else
{
// Children align with structural members of type for a standard NewInstanceOp
opFields = TypeHelpers.GetAllStructuralMembers(op.Type);
}
// Next, walk through each of my field, and flatten out any field
// that is structured.
var newFields = new List<md.EdmProperty>();
var newFieldValues = new List<Node>();
//
// NOTE: we expect the type id property and the entityset id properties
// to be at the start of the properties collection.
//
// Add a typeid property if we need one
//
if (typeInfo.HasTypeIdProperty)
{
newFields.Add(typeInfo.TypeIdProperty);
if (null == discriminatedNewInstanceOp)
{
newFieldValues.Add(CreateTypeIdConstant(typeInfo));
}
else
{
// first child in DiscriminatedNewInstanceOp is discriminator/typeid
var discriminator = n.Children[0];
if (null == typeInfo.RootType.DiscriminatorMap)
{
// if there are multiple sets (or free-floating constructors) for this type
// hierarchy, normalize the discriminator value to expose the standard
// '0X' style values
discriminator = NormalizeTypeDiscriminatorValues(discriminatedNewInstanceOp, discriminator);
}
newFieldValues.Add(discriminator);
}
}
//
// Add an entitysetid property if we need one
//
if (typeInfo.HasEntitySetIdProperty)
{
newFields.Add(typeInfo.EntitySetIdProperty);
PlanCompiler.Assert(newEntityOp != null, "unexpected optype:" + op.OpType);
var entitySetIdNode = GetEntitySetIdExpr(typeInfo.EntitySetIdProperty, newEntityOp);
// Get the entity-set-id of the "current" entityset
newFieldValues.Add(entitySetIdNode);
}
// Add a nullability property if we need one
if (typeInfo.HasNullSentinelProperty)
{
newFields.Add(typeInfo.NullSentinelProperty);
newFieldValues.Add(CreateNullSentinelConstant());
}
//
// first child of discriminatedNewInstanceOp is the typeId; otherwise, the first child is the first property
//
var childrenIndex = null == discriminatedNewInstanceOp ? 0 : 1;
foreach (md.EdmMember opField in opFields)
{
var fieldValue = n.Children[childrenIndex];
if (TypeUtils.IsStructuredType(md.Helper.GetModelTypeUsage(opField)))
{
// Flatten out nested type
var nestedFlatType = m_typeInfo.GetTypeInfo(md.Helper.GetModelTypeUsage(opField)).FlattenedType;
// Find offset of opField in top-level flat type
var nestedPropertyOffset = typeInfo.RootType.GetNestedStructureOffset(new SimplePropertyRef(opField));
foreach (var nestedProperty in nestedFlatType.Properties)
{
// Try to build up an accessor for this property from the input
var nestedPropertyValue = BuildAccessor(fieldValue, nestedProperty);
if (null != nestedPropertyValue)
{
newFields.Add(flatType.Properties[nestedPropertyOffset]);
newFieldValues.Add(nestedPropertyValue);
}
nestedPropertyOffset++;
}
}
else
{
PropertyRef propRef = new SimplePropertyRef(opField);
var outputTypeProp = typeInfo.GetNewProperty(propRef);
newFields.Add(outputTypeProp);
newFieldValues.Add(fieldValue);
}
childrenIndex++;
}
//
// We've now handled all the regular properties. Now, walk through all the rel properties -
// obviously, this only applies for the *NewEntityOps
//
if (newEntityOp != null)
{
foreach (var relProp in newEntityOp.RelationshipProperties)
{
var fieldValue = n.Children[childrenIndex];
var nestedFlatType = m_typeInfo.GetTypeInfo(relProp.ToEnd.TypeUsage).FlattenedType;
// Find offset of opField in top-level flat type
var nestedPropertyOffset = typeInfo.RootType.GetNestedStructureOffset(new RelPropertyRef(relProp));
foreach (var nestedProperty in nestedFlatType.Properties)
{
// Try to build up an accessor for this property from the input
var nestedPropertyValue = BuildAccessor(fieldValue, nestedProperty);
if (null != nestedPropertyValue)
{
newFields.Add(flatType.Properties[nestedPropertyOffset]);
newFieldValues.Add(nestedPropertyValue);
}
nestedPropertyOffset++;
}
childrenIndex++;
}
}
//
// So, now we have the list of all fields that should make up the
// flat type. Create a new node with them.
//
var newOp = m_command.CreateNewRecordOp(typeInfo.FlattenedTypeUsage, newFields);
var newNode = m_command.CreateNode(newOp, newFieldValues);
return newNode;
}
internal IEnumerable<PropertyRef> GetKeyPropertyRefs()
{
md.EntityTypeBase entityType = null;
md.RefType refType = null;
if (TypeHelpers.TryGetEdmType(m_type, out refType))
{
entityType = refType.ElementType;
}
else
{
entityType = TypeHelpers.GetEdmType<md.EntityTypeBase>(m_type);
}
// Walk through the list of keys of the entity type, and find their analogs in the
// "flattened" type
foreach (var p in entityType.KeyMembers)
{
// Eventually this could be RelationshipEndMember, but currently only properties are suppported as key members
PlanCompiler.Assert(p is md.EdmProperty, "Non-EdmProperty key members are not supported");
var spr = new SimplePropertyRef(p);
yield return spr;
}
}
private static PropertyRefList GetKeyProperties(md.EntityType entityType)
{
var desiredProperties = new PropertyRefList();
foreach (var p in entityType.KeyMembers)
{
var edmP = p as md.EdmProperty;
PlanCompiler.Assert(edmP != null, "EntityType had non-EdmProperty key member?");
var pRef = new SimplePropertyRef(edmP);
desiredProperties.Add(pRef);
}
return desiredProperties;
}
