discourse/db/migrate/20171220181249_change_user_...

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2017-12-21 07:30:26 -05:00
class ChangeUserEmailsPrimaryIndex < ActiveRecord::Migration[5.1]
def up
remove_index :user_emails, [:user_id, :primary]
add_index :user_emails, [:user_id, :primary], unique: true, where: '"primary"'
end
def down
remove_index :user_emails, [:user_id, :primary]
add_index :user_emails, [:user_id, :primary], unique: true
end
end