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Class: ActiveRecord::Migration::CheckPending

Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/migration.rb

Overview

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

Class Method Summary

Instance Method Summary

Constructor Details

.new(app) ⇒ CheckPending

[ GitHub ] 

  


# File 'activerecord/lib/active_record/migration.rb', line 364



def initialize(app)
  @app = app
  @last_check = 0
end


  







Instance Method Details



  

    #call(env)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration.rb', line 369



def call(env)
  if connection.supports_migrations?
    mtime = ActiveRecord::Migrator.last_migration.mtime.to_i
    if @last_check < mtime
      ActiveRecord::Migration.check_pending!(connection)
      @last_check = mtime
    end
  end
  @app.call(env)
end