version bump

Add DEBUG flag to the Debug config

CoreStore.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "2.0.2"
+    s.version = "2.0.5"
     s.license = "MIT"
     s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"
@@ -16,8 +16,9 @@ Pod::Spec.new do |s|
     s.public_header_files = "Sources/**/*.h"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
-    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS' => '-D USE_FRAMEWORKS',
+    s.pod_target_xcconfig = { 'OTHER_SWIFT_FLAGS[config=Debug]' => '-D USE_FRAMEWORKS -D DEBUG',
+                              'OTHER_SWIFT_FLAGS[config=Release]' => '-D USE_FRAMEWORKS',
                               'GCC_PREPROCESSOR_DEFINITIONS' => 'USE_FRAMEWORKS=1' }
-    
+
     s.dependency "GCDKit", "1.2.6"
-end
+end

Sources/Fetching and Querying/Concrete Clauses/Select.swift

@@ -715,9 +715,28 @@ internal extension CollectionType where Generator.Element == SelectTerm {
         fetchRequest.includesPendingChanges = false
         fetchRequest.resultType = .DictionaryResultType
         
-        let entityDescription = fetchRequest.entity!
-        let propertiesByName = entityDescription.propertiesByName
-        let attributesByName = entityDescription.attributesByName
+        func attributeDescriptionForKeyPath(keyPath: String, inEntity entity: NSEntityDescription) -> NSAttributeDescription? {
+            
+            let components = keyPath.componentsSeparatedByString(".")
+            switch components.count {
+                
+            case 0:
+                return nil
+                
+            case 1:
+                return entity.attributesByName[components[0]]
+                
+            default:
+                guard let relationship = entity.relationshipsByName[components[0]] else {
+                    
+                    return nil
+                }
+                return attributeDescriptionForKeyPath(
+                    components.dropFirst().joinWithSeparator("."),
+                    inEntity: relationship.entity
+                )
+            }
+        }
         
         var propertiesToFetch = [AnyObject]()
         for term in self {
@@ -725,20 +744,22 @@ internal extension CollectionType where Generator.Element == SelectTerm {
             switch term {
                 
             case ._Attribute(let keyPath):
-                if let propertyDescription = propertiesByName[keyPath] {
+                let entityDescription = fetchRequest.entity!
+                if let attributeDescription = attributeDescriptionForKeyPath(keyPath, inEntity: entityDescription) {
                     
-                    propertiesToFetch.append(propertyDescription)
+                    propertiesToFetch.append(attributeDescription)
                 }
                 else {
                     
                     CoreStore.log(
                         .Warning,
-                        message: "The property \"\(keyPath)\" does not exist in entity \(cs_typeName(entityDescription.managedObjectClassName)) and will be ignored by \(cs_typeName(owner)) query clause."
+                        message: "The key path \"\(keyPath)\" could not be resolved in entity \(cs_typeName(entityDescription.managedObjectClassName)) as an attribute and will be ignored by \(cs_typeName(owner)) query clause."
                     )
                 }
                 
             case ._Aggregate(let function, let keyPath, let alias, let nativeType):
-                if let attributeDescription = attributesByName[keyPath] {
+                let entityDescription = fetchRequest.entity!
+                if let attributeDescription = attributeDescriptionForKeyPath(keyPath, inEntity: entityDescription) {
                     
                     let expressionDescription = NSExpressionDescription()
                     expressionDescription.name = alias
@@ -754,14 +775,13 @@ internal extension CollectionType where Generator.Element == SelectTerm {
                         forFunction: function,
                         arguments: [NSExpression(forKeyPath: keyPath)]
                     )
-                    
                     propertiesToFetch.append(expressionDescription)
                 }
                 else {
                     
                     CoreStore.log(
                         .Warning,
-                        message: "The attribute \"\(keyPath)\" does not exist in entity \(cs_typeName(entityDescription.managedObjectClassName)) and will be ignored by \(cs_typeName(owner)) query clause."
+                        message: "The key path \"\(keyPath)\" could not be resolved in entity \(cs_typeName(entityDescription.managedObjectClassName)) as an attribute and will be ignored by \(cs_typeName(owner)) query clause."
                     )
                 }
                 

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.0.2</string>
+	<string>2.0.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/Internal/NotificationObserver.swift

@@ -32,14 +32,10 @@ internal final class NotificationObserver {
     
     // MARK: Public
     
-    let notificationName: String
-    let object: AnyObject?
     let observer: NSObjectProtocol
     
     init(notificationName: String, object: AnyObject?, queue: NSOperationQueue? = nil, closure: (note: NSNotification) -> Void) {
         
-        self.notificationName = notificationName
-        self.object = object
         self.observer = NSNotificationCenter.defaultCenter().addObserverForName(
             notificationName,
             object: object,
@@ -50,10 +46,6 @@ internal final class NotificationObserver {
     
     deinit {
         
-        NSNotificationCenter.defaultCenter().removeObserver(
-            self.observer,
-            name: self.notificationName,
-            object: self.object
-        )
+        NSNotificationCenter.defaultCenter().removeObserver(self.observer)
     }
 }