クエリのログをとりたい

全部のクエリのログをとったりするとき

log_destination = 'stderr'
redirect_stderr = on
log_directory = '/work/postgres/logs'
log_rotation_age = 86400

#log_parser_stats = off
#log_planner_stats = off
#log_executor_stats = off
log_statement = 'all'

http://d.hatena.ne.jp/fjkktkys/20080120/1200837643