Rails 4 appears to log SQL queries in the console in development by default. If it doesn't, I can't figure out why it is for me.

irb_output.txt

$ cat ~/.irbrc
cat: /Users/pbarry/.irbrc: No such file or directory
$ rails c
Loading development environment (Rails 4.0.0)
irb(main):001:0> Subscription.first
  Subscription Load (2.5ms)  SELECT "subscriptions".* FROM "subscriptions" ORDER BY "subscriptions"."id" ASC LIMIT 1
=> nil
irb(main):002:0> puts ENV.keys.sort
Apple_PubSub_Socket_Render
Apple_Ubiquity_Message
BUNDLE_BIN_PATH
BUNDLE_GEMFILE
COLORFGBG
COMMAND_MODE
EDITOR
GEM_HOME
GEM_PATH
HOME
ITERM_PROFILE
ITERM_SESSION_ID
LANG
LESS
LOGNAME
PATH
PROMPT_COMMAND
PWD
RBENV_DIR
RBENV_HOOK_PATH
RBENV_ROOT
RBENV_VERSION
RUBYOPT
SECURITYSESSIONID
SHELL
SHLVL
SSH_AUTH_SOCK
TERM
TERM_PROGRAM
TMPDIR
USER
VISUAL
__CF_USER_TEXT_ENCODING
=> nil
irb(main):003:0> ActiveRecord::Base.logger
=> #<ActiveSupport::Logger:0x007fef54e4d310 @progname=nil, @level=0, @default_formatter=#<Logger::Formatter:0x007fef54e4d2c0 @datetime_format=nil>, @formatter=#<ActiveSupport::Logger::SimpleFormatter:0x007fef54ca9b58 @datetime_format=nil>, @logdev=#<Logger::LogDevice:0x007fef54e4d270 @shift_size=nil, @shift_age=nil, @filename=nil, @dev=#<File:/Users/pbarry/dev/...