* Refactored SOP.FolderID weirdness by removing calls to empty setter. YEs, I do realize the setter has to be there for legacy reasons, but since the calls will never acually DO anyhting, I'm removing them.

* So, SOP.FolderID is actually a cruft field that should be removed.

OpenSim/Data/MSSQL/MSSQLRegionData.cs

@@ -123,9 +123,6 @@ namespace OpenSim.Data.MSSQL
                         else
                             sceneObjectPart.Shape = BuildShape(reader);
                         
-                        // A relic from when we we thought that prims contained folder objects. In 
-                        // reality, prim == folder                        
-                        sceneObjectPart.FolderID = sceneObjectPart.UUID; 
                         sceneObjectParts.Add(sceneObjectPart);
 
                         UUID groupID = new UUID((Guid)reader["SceneGroupID"]);

OpenSim/Data/MySQL/MySQLRegionData.cs

@@ -441,10 +441,6 @@ namespace OpenSim.Data.MySQL
                         else
                             prim.Shape = BuildShape(reader);
 
-                        prim.FolderID = prim.UUID; // A relic from when we
-                                                   // we thought prims contained
-                                                   // folder objects. In
-                                                   // reality, prim == folder
                         prims.Add(prim);
 
                         UUID groupID = new UUID(reader["SceneGroupID"].ToString());

OpenSim/Data/SQLite/SQLiteRegionData.cs

@@ -516,13 +516,6 @@ namespace OpenSim.Data.SQLite
             }
 
             prim.Inventory.RestoreInventoryItems(inventory);
-
-            // XXX A nasty little hack to recover the folder id for the prim (which is currently stored in
-            // every item).  This data should really be stored in the prim table itself.
-            if (dbItemRows.Length > 0)
-            {
-                prim.FolderID = inventory[0].ParentID;
-            }
         }
 
         /// <summary>

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -375,13 +375,15 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
+        /// A relic from when we we thought that prims contained folder objects. In 
+        /// reality, prim == folder  
         /// Exposing this is not particularly good, but it's one of the least evils at the moment to see
         /// folder id from prim inventory item data, since it's not (yet) actually stored with the prim.
         /// </summary>
         public UUID FolderID
         {
             get { return UUID; }
-            set { } // Don't allow assignment, or legacy prims wil b0rk
+            set { } // Don't allow assignment, or legacy prims wil b0rk - but we need the setter for legacy serialization.
         }
 
         /// <value>