Flink SQL与 SQL Parser ，calcite

http://vinoyang.com/2017/06/12/flink-table-sql-source/

Flink Table&Sql 如何结合Apache Calcite

http://ju.outofmemory.cn/entry/335371

http://wuchong.me/blog/2017/03/30/flink-internals-table-and-sql-api/

Stream Processing for Everyone with SQL and Apache Flink

From Streams to Tables and Back Again: An Update on Flink’s Table & SQL API

https://calcite.apache.org/docs/stream.html

Flink SQL的实现

https://blog.csdn.net/pelick/article/details/51613931

http://mtunique.com/flink_sql/

http://vinoyang.com/2017/07/06/flink-relation-api-introduction/