what is the difference between put and patch in rails?

Question

In rails the routes can be created using

resources :vehicals

so, that will create many routes which will produce the basic routes required for the CRUD operation, But I am confused between the 2 routes i.e.

PATCH  /vehicals/:id(.:format)        vehicals#update
PUT    /vehicals/:id(.:format)        vehicals#update

please clear which is to use while update.

Possible duplicate of [What is the main difference between PATCH and PUT request?](https://stackoverflow.com/questions/21660791/what-is-the-main-difference-between-patch-and-put-request) — Sebastián Palma, Nov 02 '17 at 12:18
@SergioTulentsev it creates routes for PATCH and PUT for me, on Rails 5.0 — SteveTurczyn, Nov 02 '17 at 12:29
@SteveTurczyn: yes, I just tested myself. Looks like compatibility layer. Costs them nothing to create the route, so why not? — Sergio Tulentsev, Nov 02 '17 at 12:30

score 3 · Accepted Answer · answered Nov 02 '17 at 12:29

In rails there's no effective difference, and you can see from your routes that they call the same controller action.

Because rails only updates fields that are included in the view form and leaves other fields unchanged, it effectively has always implemented "PATCH" logic even before 'PATCH' was ever officially introduced.

Current Rails forms default to method post for sending new records and patch for updating existing records.

what is the difference between put and patch in rails?

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