We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Nikita Vasilevsky - Implementing Native Composite Primary Key Support in Rails 7.1 - Rails World '23
Discover how Rails 7.1 is simplifying database queries with native support for composite primary keys, and learn key considerations for implementation and improvement in querying and data layout.
- Composite primary keys are a natural fit for joint tables, allowing for more efficient querying and selection.
- Composite primary keys can be used to represent complex relational data, and can improve query performance.
- Rails 7.1 introduces support for composite primary keys, and allows for queries on composite primary keys.
- Composite primary keys can be used with tenant-based sharding to improve query performance.
- When choosing between single-column and composite primary keys, consider the types of queries you’re using and the trade-offs involved.
- Composite primary keys can be used to simplify querying and reduce the need for complex queries.
- Implementing composite primary keys requires careful consideration of the impact on query performance and data layout.
-
Rails provides a new
IDattribute alias that can be used to access the composite primary key. - Composite primary keys can be used with query constraints to define a virtual primary key.
- Consider using composite primary keys when dealing with many-to-many relationships.
- Composite primary keys can be used to improve query performance, especially when dealing with slow queries.
- Rails 7.1 provides native support for composite primary keys, making it easier to implement and use.
- When choosing between single-column and composite primary keys, consider the needs of your application and the potential trade-offs.