Remove fake updates

GetStream · Feb 8, 2021 · f22b62e · f22b62e
1 parent 5e97f8a
commit f22b62e
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/Sources/StreamChat/Database/DatabaseContainer.swift b/Sources/StreamChat/Database/DatabaseContainer.swift
@@ -152,6 +152,14 @@ class DatabaseContainer: NSPersistentContainer {
             log.debug("Starting a database session.")
             do {
                 try actions(self.writableContext)
+                // If you touch ManagedObject and update one of it properties to same value
+                // Object will be marked as `updated` even it hasn't changed.
+                // By reseting such objects we remove updates that are not updates.
+                for object in self.writableContext.updatedObjects {
+                    if object.changedValues().isEmpty {
+                        self.writableContext.refresh(object, mergeChanges: false)
+                    }
+                }
 
                 if self.writableContext.hasChanges {
                     log.debug("Context has changes. Saving.")