Class: ActiveRecord::LogSubscriber

Inherits:
ActiveSupport::LogSubscriber show all
Defined in:
activerecord/lib/active_record/log_subscriber.rb

Constant Summary collapse

IGNORE_PAYLOAD_NAMES = 
["SCHEMA", "EXPLAIN"]

Constants inherited from ActiveSupport::LogSubscriber

ActiveSupport::LogSubscriber::BLACK, ActiveSupport::LogSubscriber::BLUE, ActiveSupport::LogSubscriber::BOLD, ActiveSupport::LogSubscriber::CLEAR, ActiveSupport::LogSubscriber::CYAN, ActiveSupport::LogSubscriber::GREEN, ActiveSupport::LogSubscriber::MAGENTA, ActiveSupport::LogSubscriber::RED, ActiveSupport::LogSubscriber::WHITE, ActiveSupport::LogSubscriber::YELLOW

Instance Attribute Summary

Attributes inherited from ActiveSupport::Subscriber

#patterns

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ActiveSupport::LogSubscriber

#finish, flush_all!, log_subscribers, #start

Methods inherited from ActiveSupport::Subscriber

attach_to, detach_from, #finish, #initialize, method_added, #start, subscribers

Constructor Details

This class inherits a constructor from ActiveSupport::Subscriber

Class Method Details

.reset_runtime ⇒ Object 



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

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

.runtime ⇒ Object 



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

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

.runtime=(value) ⇒ Object 



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

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

Instance Method Details

#sql(event) ⇒ Object 



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

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)

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