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This class is used to verify that all migrations have been run before loading a web page if config.active_record.migration_error is set to :page_load

Methods
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Class Public methods
new(app)

Source: show | on GitHub 

# File activerecord/lib/active_record/migration.rb, line 358
def initialize(app)
  @app = app
end
Instance Public methods
call(env)

Source: show | on GitHub 

# File activerecord/lib/active_record/migration.rb, line 362
def call(env)
  ActiveRecord::Base.logger.silence do
    ActiveRecord::Migration.check_pending!
  end
  @app.call(env)
end