MYSQL Range

http://www.orczhou.com/index.php/2012/12/mysql-source-code-optimizer-range-and-ref/

http://www.orczhou.com/index.php/2012/11/mysql-source-code-range-optimize-data-structure/

http://assets.en.oreilly.com/1/event/21/Understanding%20and%20Control%20of%20MySQL%20Query%20Optimizer_%20Traditional%20and%20Novel%20Tools%20and%20Techniques%20Presentation.pdf

http://s.petrunia.net/files/MRR-Interface-Sorrento2006.pdf

https://downloads.mysql.com/forge/slides/InteractionBetweenOptimizerAndStorageEngine.pdf

https://dev.mysql.com/worklog/task/?id=4439

https://dev.mysql.com/worklog/task/?id=2475

http://imcs.dvfu.ru/lib.int/docs/Databases/MySQL/MySQL%20Enterprise%20Solutions.pdf

http://www.cnblogs.com/zengkefu/p/5610019.html

http://mysql.taobao.org/monthly/2016/12/08/

http://mysql.taobao.org/monthly/2015/11/10/

http://www.lai18.com/content/8174826.html

http://blog.chinaunix.net/uid-26896862-id-3218584.html

https://jin-yang.github.io/post/mysql-executor.html

https://www.slideshare.net/frogd/my-sql-innodb

https://books.google.com.hk/books?id=rChIjihVGLEC&pg=PA337&lpg=PA337&dq=opt_range.cc&source=bl&ots=1MMVewPHgq&sig=Yh8B8hAV1WL3DITSYVV1CdDEktc&hl=zh-CN&sa=X&ved=0ahUKEwii__Ctr7PWAhWKXbwKHbE7COA4ChDoAQg1MAM#v=onepage&q=opt_range.cc&f=false

https://books.google.com.hk/books?id=vz6PcTdo8VUC&pg=PA186&lpg=PA186&dq=opt_range.cc&source=bl&ots=nMzT6aLFgl&sig=inVJJ0Url5wEnsA6wDBwHNSTi1g&hl=zh-CN&sa=X&ved=0ahUKEwii__Ctr7PWAhWKXbwKHbE7COA4ChDoAQgwMAI#v=onepage&q=opt_range.cc&f=false