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Class: ActiveRecord::LogSubscriber

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveSupport::LogSubscriber, ::ActiveSupport::Subscriber
Instance Chain:
self, ::ActiveSupport::LogSubscriber, ::ActiveSupport::Subscriber
Inherits: ActiveSupport::LogSubscriber
Defined in: activerecord/lib/active_record/log_subscriber.rb

Constant Summary

::ActiveSupport::LogSubscriber - Inherited

BLACK, BLUE, BOLD, CLEAR, CYAN, GREEN, MAGENTA, RED, WHITE, YELLOW

Class Attribute Summary

::ActiveSupport::LogSubscriber - Inherited

.colorize_logging, .logger, .logger=

Class Method Summary

::ActiveSupport::LogSubscriber - Inherited

.flush_all!

Flush all log_subscribers’ logger.
.log_subscribers

::ActiveSupport::Subscriber - Inherited

.attach_to

Attach the subscriber to a namespace.
.detach_from

Detach the subscriber from a namespace.
.method_added

Adds event subscribers for all new methods added to the class.
.new, .subscribers, .add_event_subscriber, .remove_event_subscriber

Instance Attribute Summary

::ActiveSupport::LogSubscriber - Inherited

#colorize_logging

Instance Method Summary

::ActiveSupport::LogSubscriber - Inherited

#finish, #logger, #start,
#color

Set color by using a symbol or one of the defined constants.

::ActiveSupport::Subscriber - Inherited

#finish, #start

Constructor Details

This class inherits a constructor from ActiveSupport::Subscriber

Class Attribute Details

.backtrace_cleaner (rw)

[ GitHub ] 

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 7



class_attribute :backtrace_cleaner, default: ActiveSupport::BacktraceCleaner.new


  








  

    .backtrace_cleaner?  ⇒ Boolean  (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 7



class_attribute :backtrace_cleaner, default: ActiveSupport::BacktraceCleaner.new


  








  

    .runtime   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 13



def self.runtime
  ActiveRecord::RuntimeRegistry.sql_runtime ||= 0
end


  








  

    .runtime=(value)   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 9



def self.runtime=(value)
  ActiveRecord::RuntimeRegistry.sql_runtime = value
end


  







Class Method Details



  

    .reset_runtime  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 17



def self.reset_runtime
  rt, self.runtime = runtime, 0
  rt
end


  







Instance Attribute Details



  

    #backtrace_cleaner   (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 7



class_attribute :backtrace_cleaner, default: ActiveSupport::BacktraceCleaner.new


  








  

    #backtrace_cleaner?  ⇒ Boolean  (rw)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 7



class_attribute :backtrace_cleaner, default: ActiveSupport::BacktraceCleaner.new


  







Instance Method Details



  

    #sql(event)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 32



def sql(event)
  self.class.runtime += event.duration
  return unless logger.debug?

  payload = event.payload

  return if IGNORE_PAYLOAD_NAMES.include?(payload[:name])

  name  = "#{payload[:name]} (#{event.duration.round(1)}ms)"
  name  = "CACHE #{name}" if payload[:cached]
  sql   = payload[:sql]
  binds = nil

  if payload[:binds]&.any?
    casted_params = type_casted_binds(payload[:type_casted_binds])

    binds = []
    payload[:binds].each_with_index do |attr, i|
      binds << render_bind(attr, casted_params[i])
    end
    binds = binds.inspect
    binds.prepend("  ")
  end

  name = colorize_payload_name(name, payload[:name])
  sql  = color(sql, sql_color(sql), true) if colorize_logging

  debug "  #{name}  #{sql}#{binds}"
end


  








  

    #strict_loading_violation(event)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/log_subscriber.rb', line 22



def strict_loading_violation(event)
  debug do
    owner = event.payload[:owner]
    association = event.payload[:reflection].klass
    name = event.payload[:reflection].name

    color("Strict loading violation: #{owner} is marked for strict loading. The #{association} association named :#{name} cannot be lazily loaded.", RED)
  end
end