Module: QueryTrace

Defined in:
lib/query_trace.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.append_features(klass) ⇒ Object 



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# File 'lib/query_trace.rb', line 7

def self.append_features(klass)
  super
  klass.class_eval do
    unless method_defined?(:log_info_without_trace)
      alias_method :log_info_without_trace, :log_info
      alias_method :log_info, :log_info_with_trace
    end
  end
  klass.class_eval %(
    def row_even
      @@row_even
    end
  )
end

.enable! ⇒ Object 



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# File 'lib/query_trace.rb', line 3

def self.enable!
  ::ActiveRecord::ConnectionAdapters::AbstractAdapter.send(:include, QueryTrace)
end

Instance Method Details

#format_trace(trace) ⇒ Object 



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# File 'lib/query_trace.rb', line 31

def format_trace(trace)
  if ActiveRecord::Base.colorize_logging
    if row_even
      message_color = "35;2"
    else
      message_color = "36;2"
    end
    trace.collect{|t| "    \e[#{message_color}m#{t}\e[0m"}.join("\n")
  else
    trace.join("\n    ")
  end
end

#log_info_with_trace(sql, name, runtime) ⇒ Object 



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# File 'lib/query_trace.rb', line 22

def log_info_with_trace(sql, name, runtime)
  log_info_without_trace(sql, name, runtime)
  
  return unless @logger and @logger.debug?
  return if / Columns$/ =~ name

  @logger.debug(format_trace(Rails.backtrace_cleaner.clean(caller)))
end