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 17

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 13

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

.runtime=(value) ⇒ Object 



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# File '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 'lib/active_record/log_subscriber.rb', line 32

def sql(event)
  self.class.runtime += event.duration
  return unless logger.debug?

  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 = attr.respond_to?(:name) ? attr.name : attr[i].name
      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), true) if colorize_logging

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

#strict_loading_violation(event) ⇒ Object 



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

def strict_loading_violation(event)
  debug do
    owner = event.payload[:owner]
    association = event.payload[:reflection].klass
    name = event.payload[:reflection].name

    color("Strict loading violation: #{owner} is marked for strict loading. The #{association} association named :#{name} cannot be lazily loaded.", RED)
  end
end