greenplum 存储过程

参考：

https://docs.pivotal.io/search?q=function   官网

https://www.cnblogs.com/greenZ/p/8722081.html

http://www.jpblog.cn/greenplum%E8%87%AA%E5%AE%9A%E4%B9%89%E5%87%BD%E6%95%B0.html   (greenplum && python)

java调用greenplum存储过程

https://blog.csdn.net/sinat_35626559/article/details/71699196

常用操作函数

http://gpdb.docs.pivotal.io/4390/admin_guide/query/topics/functions-operators.html