SHOW FULL COLUMNS FROM `wk_user_session` [ RunTime:0.001324s ]
SELECT * FROM `wk_user_session` WHERE ( `token` IS NULL AND `expire_time` > 1757846648 ) LIMIT 1 [ RunTime:0.000337s ]
SHOW FULL COLUMNS FROM `wk_papers` [ RunTime:0.001432s ]
SELECT * FROM `wk_papers` WHERE `id` = '552524' LIMIT 1 [ RunTime:0.000900s ]
SHOW FULL COLUMNS FROM `wk_paper_files` [ RunTime:0.000727s ]
SELECT * FROM `wk_paper_files` WHERE `paper_id` = '552524' [ RunTime:0.000401s ]
SHOW FULL COLUMNS FROM `wk_paper_files_preview` [ RunTime:0.000550s ]
SELECT * FROM `wk_paper_files_preview` WHERE `paper_file_id` = '1131449' ORDER BY `file_number` ASC [ RunTime:0.000425s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 4 AND `area_id` = 0 ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000638s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 4 ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000585s ]
SELECT * FROM `wk_papers` WHERE ( `disable` = 0 AND `grade_id` = 4 AND `volume_id` = '0' ) AND `wk_papers`.`delete_time` IS NULL ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000817s ]
SHOW FULL COLUMNS FROM `wk_paper_collect` [ RunTime:0.000731s ]
SELECT * FROM `wk_paper_collect` WHERE `user_id` = 0 AND `paper_id` = 552524 AND `paper_type` = 1 AND `status` = 1 LIMIT 1 [ RunTime:0.000705s ]
