2

backend/migrations/202503040001_enforce_unique_folder_names/down.sql

@@ -0,0 +1,4 @@
+DROP INDEX IF EXISTS folders_parent_name_unique_idx;
+
+ALTER TABLE folders
+    ADD CONSTRAINT folders_parent_name_unique UNIQUE (parent_id, name);

backend/migrations/202503040001_enforce_unique_folder_names/up.sql

@@ -0,0 +1,5 @@
+ALTER TABLE folders
+    DROP CONSTRAINT IF EXISTS folders_parent_name_unique;
+
+CREATE UNIQUE INDEX folders_parent_name_unique_idx
+    ON folders (COALESCE(parent_id, '00000000-0000-0000-0000-000000000000'::uuid), name);