创建,增加，删除mysql表分区

https://my.oschina.net/u/1454868/blog/202486


http://www.2cto.com/database/201503/380348.html


https://wenku.baidu.com/view/629d6cf4ddccda38366baf57.html



http://www.cnblogs.com/mliudong/p/3625522.html


MySQL的表分区详解 - 查看分区数据量，查看全库数据量
http://blog.csdn.net/xj626852095/article/details/51245844

SELECT
  partition_name part, 
  partition_expression expr, 
  partition_description descr, 
  table_rows 
FROM
  INFORMATION_SCHEMA.partitions 
WHERE
  TABLE_SCHEMA = schema() 
  AND TABLE_NAME='table';