class ActiveRecord::LogSubscriber

Constants

IGNORE_PAYLOAD_NAMES

Public Class Methods

new() click to toggle source
Calls superclass method
# File lib/active_record/log_subscriber.rb, line 18
def initialize
  super
  @odd = false
end
reset_runtime() click to toggle source
# File lib/active_record/log_subscriber.rb, line 13
def self.reset_runtime
  rt, self.runtime = runtime, 0
  rt
end
runtime() click to toggle source
# File lib/active_record/log_subscriber.rb, line 9
def self.runtime
  ActiveRecord::RuntimeRegistry.sql_runtime ||= 0
end
runtime=(value) click to toggle source
# File lib/active_record/log_subscriber.rb, line 5
def self.runtime=(value)
  ActiveRecord::RuntimeRegistry.sql_runtime = value
end

Public Instance Methods

render_bind(attribute) click to toggle source
# 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) click to toggle source
# 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

Private Instance Methods

colorize_payload_name(name, payload_name) click to toggle source
# File lib/active_record/log_subscriber.rb, line 62
def colorize_payload_name(name, payload_name)
  if payload_name.blank? || payload_name == "SQL" # SQL vs Model Load/Exists
    color(name, MAGENTA, true)
  else
    color(name, CYAN, true)
  end
end
logger() click to toggle source
# File lib/active_record/log_subscriber.rb, line 91
def logger
  ActiveRecord::Base.logger
end
sql_color(sql) click to toggle source
# File lib/active_record/log_subscriber.rb, line 70
def sql_color(sql)
  case sql
    when /\A\s*rollback/mi
      RED
    when /select .*for update/mi, /\A\s*lock/mi
      WHITE
    when /\A\s*select/i
      BLUE
    when /\A\s*insert/i
      GREEN
    when /\A\s*update/i
      YELLOW
    when /\A\s*delete/i
      RED
    when /transaction\s*\Z/i
      CYAN
    else
      MAGENTA
  end
end