Class: Yarder::ActiveRecord::LogSubscriber

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LogSubscriber

Returns a new instance of LogSubscriber.



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

def initialize
  super
end

Class Method Details

.reset_runtime ⇒ Object 



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# File 'lib/yarder/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/yarder/active_record/log_subscriber.rb', line 11

def self.runtime
  Thread.current["active_record_sql_runtime"] ||= 0
end

.runtime=(value) ⇒ Object 



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

def self.runtime=(value)
  Thread.current["active_record_sql_runtime"] = value
end

Instance Method Details

#identity(event) ⇒ Object 



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# File 'lib/yarder/active_record/log_subscriber.rb', line 50

def identity(event)
  return unless logger.debug?

  payload = event.payload

  sql_entry = {}
  sql_entry['name'] = payload[:name]
  sql_entry['line'] = payload[:line]
  sql_entry['duration'] = payload[:duration]

  write_entry sql_entry
end

#sql(event) ⇒ Object 



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# File 'lib/yarder/active_record/log_subscriber.rb', line 24

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

  payload = event.payload

  return if 'SCHEMA' == payload[:name]

  sql_entry = {}
  sql_entry['name'] = payload[:name]
  sql_entry['duration'] = event.duration
  sql_entry['sql']= payload[:sql].squeeze(' ')

  binds = nil

  unless (payload[:binds] || []).empty?
    binds = "  " + payload[:binds].map { |col,v|
      [col.name, v]
    }.inspect
  end

  sql_entry['binds'] = binds unless binds.nil?

  write_entry sql_entry
end