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rails--rails/activerecord/CHANGELOG.md
eileencodes 96010b0066
Update changelog and release notes
Add missing `connected_to` deprecation and mention changes to connection
handling.
2020-12-17 14:42:16 -05:00

1.8 KiB

  • Remove deprecated database kwarg from connected_to.

    Eileen M. Uchitelle, John Crepezzi

  • Allow adding nonnamed expression indexes to be revertible.

    Fixes #40732.

    Previously, the following code would raise an error, when executed while rolling back, and the index name should be specified explicitly. Now, the index name is inferred automatically.

    add_index(:items, "to_tsvector('english', description)")
    

    fatkodima

  • Only warn about negative enums if a positive form that would cause conflicts exists.

    Fixes #39065.

    Alex Ghiculescu

  • Add option to run default_scope on all queries.

    Previously, a default_scope would only run on select or insert queries. In some cases, like non-Rails tenant sharding solutions, it may be desirable to run default_scope on all queries in order to ensure queries are including a foreign key for the shard (ie blog_id).

    Now applications can add an option to run on all queries including select, insert, delete, and update by adding an all_queries option to the default scope definition.

    class Article < ApplicationRecord
      default_scope -> { where(blog_id: Current.blog.id) }, all_queries: true
    end
    

    Eileen M. Uchitelle

  • Add where.associated to check for the presence of an association.

    # Before:
    account.users.joins(:contact).where.not(contact_id: nil)
    
    # After:
    account.users.where.associated(:contact)
    

    Also mirrors where.missing.

    Kasper Timm Hansen

  • Allow constructors (build_association and create_association) on has_one :through associations.

    Santiago Perez Perret

Please check 6-1-stable for previous changes.