SHOW FULL COLUMNS FROM `tp_book` [ RunTime:0.002897s ]
SELECT COUNT(*) AS think_count FROM `tp_book` WHERE `status` = 1 AND ( `title` LIKE '%PDF%' OR `keyword` LIKE '%PDF%' ) LIMIT 1 [ RunTime:0.348059s ]
SELECT * FROM `tp_book` WHERE `status` = 1 AND ( `title` LIKE '%PDF%' OR `keyword` LIKE '%PDF%' ) ORDER BY `addtime` DESC,`id` DESC LIMIT 14950,25 [ RunTime:0.615598s ]
