浮点转换器，可以对十进制定点数、浮点BCD码和二进制浮点操作数之间进行相互转换。-float converters, and can set the decimal points. BCD floating-point and binary floating-point operation between several mutual conversion.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002404s ]
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:0.089660s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.008398s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002156s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002283s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003917s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002152s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003375s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015819s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003240s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 257535 [ RunTime:0.001557s ]
