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

Class Method Details

.reset_runtime ⇒ Object 



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# File 'lib/active_record/log_subscriber.rb', line 15

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 11

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

.runtime=(value) ⇒ Object 



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

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

Instance Method Details

#sql(event) ⇒ Object 



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# File 'lib/active_record/log_subscriber.rb', line 20

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

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

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

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