SHOW FULL COLUMNS FROM `wk_user_session` [ RunTime:0.002353s ]
SELECT * FROM `wk_user_session` WHERE ( `token` IS NULL AND `expire_time` > 1770003874 ) LIMIT 1 [ RunTime:0.002358s ]
SHOW FULL COLUMNS FROM `wk_papers` [ RunTime:0.002941s ]
SELECT * FROM `wk_papers` WHERE `id` = '645694' LIMIT 1 [ RunTime:0.002759s ]
SHOW FULL COLUMNS FROM `wk_paper_files` [ RunTime:0.001183s ]
SELECT * FROM `wk_paper_files` WHERE `paper_id` = '645694' [ RunTime:0.004408s ]
SHOW FULL COLUMNS FROM `wk_paper_files_preview` [ RunTime:0.000679s ]
SELECT * FROM `wk_paper_files_preview` WHERE `paper_file_id` = '1317763' ORDER BY `file_number` ASC [ RunTime:0.004096s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 7 AND `area_id` = 220000 ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008181s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 7 ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004222s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 7 AND `volume_id` = '0' ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005897s ]
SHOW FULL COLUMNS FROM `wk_paper_collect` [ RunTime:0.004567s ]
SELECT * FROM `wk_paper_collect` WHERE `user_id` = 0 AND `paper_id` = 645694 AND `paper_type` = 1 AND `status` = 1 LIMIT 1 [ RunTime:0.001075s ]
