SHOW FULL COLUMNS FROM `lesson_attend_student` [ RunTime:0.000605s ]
SELECT * FROM `lesson_attend_student` WHERE `lesson_attend_student`.`delete_time` IS NULL [ RunTime:0.000444s ]
SHOW FULL COLUMNS FROM `lesson_attend_employ` [ RunTime:0.000406s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 1 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000951s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 5 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000922s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 7 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000899s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 8 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000899s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 9 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000867s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 10 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000919s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 11 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000917s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 13 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000938s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 19 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000888s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 33 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000859s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 34 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000938s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 35 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000851s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 36 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000953s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 37 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000923s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 40 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000902s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 41 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000939s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 43 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000908s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 45 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.001003s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 47 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000892s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 48 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000875s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 49 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000875s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 51 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000877s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 52 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000885s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 55 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000871s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 56 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000887s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 58 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000935s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 59 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000890s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 60 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000861s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 62 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000872s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 64 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000880s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 66 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000933s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 67 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000917s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 68 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000891s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 69 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000899s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 70 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000957s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 71 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000915s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 72 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000915s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 73 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000888s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 74 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000888s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 75 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000862s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 76 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000896s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 77 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000886s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 78 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000901s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 79 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000889s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 80 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000867s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 81 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000879s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 82 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000920s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 83 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000879s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 84 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000866s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 85 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000894s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 86 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000890s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 87 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000870s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 88 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000909s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 89 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000890s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 90 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000888s ]
SELECT `time` FROM `lesson_attend_employ` WHERE ( `s_id` = 91 ) AND `lesson_attend_employ`.`delete_time` IS NULL ORDER BY `time` DESC LIMIT 1 [ RunTime:0.000897s ]
