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Class: ActiveRecord::ExplainRegistry::Subscriber

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/explain_registry.rb

Constant Summary

Class Method Summary

Instance Method Summary

Class Method Details

.ensure_subscribed

[ GitHub ] 

  


# File 'activerecord/lib/active_record/explain_registry.rb', line 16



def ensure_subscribed
  return if @subscribed
  MUTEX.synchronize do
    return if @subscribed

    ActiveSupport::Notifications.subscribe("sql.active_record", new)
    @subscribed = true
  end
end


  







Instance Method Details



  

    #finish(name, id, payload)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/explain_registry.rb', line 31



def finish(name, id, payload)
  if ExplainRegistry.collect? && !ignore_payload?(payload)
    ExplainRegistry.queries << payload.values_at(:sql, :binds)
  end
end


  








  

    #ignore_payload?(payload)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/explain_registry.rb', line 48



def ignore_payload?(payload)
  payload[:exception] ||
    payload[:cached] ||
    IGNORED_PAYLOADS.include?(payload[:name]) ||
    !payload[:sql].match?(EXPLAINED_SQLS)
end


  








  

    #silenced?(_name)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/explain_registry.rb', line 37



def silenced?(_name)
  !ExplainRegistry.collect?
end


  








  

    #start(name, id, payload)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/explain_registry.rb', line 27



def start(name, id, payload)
  # unused
end