四种排序算法(交换排序 冒泡排序 quick sort排序 mergesort归并排序 )源码，以及各种算法排序效果的对比。-Four kinds of sorting algorithms (exchange sort bubble sort quick sort sort mergesort mergesort ) source code, as well as comparison of various algorithms to sort results.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002614s ]
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:0.147179s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002908s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002776s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003261s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 308936 [ RunTime:0.001377s ]
