instance method `establish_connection`

Ruby on Rails 6.0.6

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

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establish_connection(config)

No documentation comment.

Parameters

config req

Source

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 1056
      def establish_connection(config)
        resolver = ConnectionSpecification::Resolver.new(Base.configurations)
        spec = resolver.spec(config)

        remove_connection(spec.name)

        message_bus = ActiveSupport::Notifications.instrumenter
        payload = {
          connection_id: object_id
        }
        if spec
          payload[:spec_name] = spec.name
          payload[:config] = spec.config
        end

        message_bus.instrument("!connection.active_record", payload) do
          owner_to_pool[spec.name] = ConnectionAdapters::ConnectionPool.new(spec)
        end

        owner_to_pool[spec.name]
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb line 1056 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::ConnectionHandler

Signature

Parameters