sqlite是一种嵌入式数据库。本文件包含了操作此数据库的一个类。该类实现了sqlite的所有操作，并具有良好的注释说明。-sqlite is an embedded database. This document contains the operation of this database, a class. Sqlite class implements all the operations, and has a good explanatory notes.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001033s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.077006s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000882s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001153s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000994s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003173s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000857s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003552s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014846s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001124s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 157789 [ RunTime:0.016515s ]
