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Class: ActiveRecord::LogSubscriber

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

Constant Summary

::ActiveSupport::LogSubscriber - Inherited

BLACK, BLUE, CYAN, GREEN, MAGENTA, MODES, RED, WHITE, YELLOW

Class Attribute Summary

Class Method Summary

::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

Instance Method Summary

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

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 18

def sql(event)
  payload = event.payload

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

  name = if payload[:async]
    "ASYNC #{payload[:name]} (#{payload[:lock_wait].round(1)}ms) (db time #{event.duration.round(1)}ms)"
  else
    "#{payload[:name]} (#{event.duration.round(1)}ms)"
  end
  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|
      attribute_name = if attr.respond_to?(:name)
        attr.name
      elsif attr.respond_to?(:[]) && attr[i].respond_to?(:name)
        attr[i].name
      else
        nil
      end

      filtered_params = filter(attribute_name, casted_params[i])

      binds << render_bind(attr, filtered_params)
    end
    binds = binds.inspect
    binds.prepend("  ")
  end

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

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

#strict_loading_violation(event)

[ GitHub ]

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

def strict_loading_violation(event)
  debug do
    owner = event.payload[:owner]
    reflection = event.payload[:reflection]
    color(reflection.strict_loading_violation_message(owner), RED)
  end
end