abstract-adapter.rb

require "#{Gem.loaded_specs['activerecord'].full_gem_path}/lib/active_record/connection_adapters/abstract_adapter"

module ActiveRecord
  module ConnectionAdapters
    class AbstractAdapter
      # we are overriding this method since connection_klass is a string when accessing a MyGem db
      def preventing_writes?
        return true if replica?
        return ActiveRecord::Base.connection_handler.prevent_writes if ActiveRecord::Base.legacy_connection_handling
        # commented out line below and replaced with an expanded guard clause
        # return false if connection_klass.nil?
        return false if connection_klass.nil? || connection_klass.is_a?(String)

        connection_klass.current_preventing_writes
      end
    end
  end
end