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  • Yves Senn's avatar
    1d08b980
    uniqueness validation raises error for persisted record without pk. · 1d08b980
    Yves Senn authored 
    Closes #21304.

While we can validate uniqueness for record without primary key on
creation, there is no way to exclude the current record when
updating. (The update itself will need a primary key to work correctly).

Conflicts:
	activerecord/CHANGELOG.md
	activerecord/lib/active_record/validations/uniqueness.rb
	activerecord/test/cases/validations/uniqueness_validation_test.rb
    1d08b980
    uniqueness validation raises error for persisted record without pk.
    Yves Senn authored 
    Closes #21304.

While we can validate uniqueness for record without primary key on
creation, there is no way to exclude the current record when
updating. (The update itself will need a primary key to work correctly).

Conflicts:
	activerecord/CHANGELOG.md
	activerecord/lib/active_record/validations/uniqueness.rb
	activerecord/test/cases/validations/uniqueness_validation_test.rb