Class: ActiveRecord::LogSubscriber

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

Constant Summary collapse

IGNORE_PAYLOAD_NAMES = 
["SCHEMA", "EXPLAIN"]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LogSubscriber

Returns a new instance of LogSubscriber.



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# File 'lib/active_record/log_subscriber.rb', line 18

def initialize
  super
  @odd = false
end

Class Method Details

.reset_runtime ⇒ Object 



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

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

.runtime ⇒ Object 



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

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

.runtime=(value) ⇒ Object 



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# File 'lib/active_record/log_subscriber.rb', line 5

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

Instance Method Details

#render_bind(attribute) ⇒ Object 



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# File 'lib/active_record/log_subscriber.rb', line 23

def render_bind(attribute)
  value = if attribute.type.binary? && attribute.value
    if attribute.value.is_a?(Hash)
      "<#{attribute.value_for_database.to_s.bytesize} bytes of binary data>"
    else
      "<#{attribute.value.bytesize} bytes of binary data>"
    end
  else
    attribute.value_for_database
  end

  [attribute.name, value]
end

#sql(event) ⇒ Object 



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# File 'lib/active_record/log_subscriber.rb', line 37

def sql(event)
  return unless logger.debug?

  self.class.runtime += event.duration

  payload = event.payload

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

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

  unless (payload[:binds] || []).empty?
    binds = "  " + payload[:binds].map { |attr| render_bind(attr) }.inspect
  end

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

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