Using Renaming ID rather than a mapping model

Author: wibosco

CoreDataMigration-Example/CoreData/Model/CoreDataMigration_Example.xcdatamodeld/CoreDataMigration_Example 2.xcdatamodel/contents

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="13233.4" systemVersion="16G29" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="14460.32" systemVersion="18C54" minimumToolsVersion="Automatic" sourceLanguage="Swift" userDefinedModelVersionIdentifier="">
     <entity name="Post" representedClassName="Post" syncable="YES" codeGenerationType="class">
         <attribute name="date" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
-        <attribute name="hexColor" optional="YES" attributeType="String" syncable="YES"/>
+        <attribute name="hexColor" optional="YES" attributeType="String" elementID="color" syncable="YES"/>
         <attribute name="postID" optional="YES" attributeType="String" syncable="YES"/>
     </entity>
     <elements>