How to Bulk Insert Nested Attributes in Rails
a day ago
- Bulk inserting nested attributes in Rails can speed up large many-to-many inserts by reducing sequential SQL queries.
- The `autosave_associated_records_for_` method can be overridden to use `insert_all` for bulk inserts.
- Caveats include needing to handle validation, callbacks, and deletion of marked records manually.
- The approach uses an undocumented internal Rails method.