method

connection_handlers=

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connection_handlers=(handlers) public

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# File activerecord/lib/active_record/core.rb, line 111
      def self.connection_handlers=(handlers)
        if ActiveRecord.legacy_connection_handling
          ActiveSupport::Deprecation.warn(<<~MSG)
            Using legacy connection handling is deprecated. Please set
            `legacy_connection_handling` to `false` in your application.

            The new connection handling does not support `connection_handlers`
            getter and setter.

            Read more about how to migrate at: https://guides.rubyonrails.org/active_record_multiple_databases.html#migrate-to-the-new-connection-handling
          MSG
        else
          raise NotImplementedError, "The new connection handling does not support multiple connection handlers."
        end

        @@connection_handlers = handlers
      end

connection_handlers=

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