Apache calcite Quickstart

【Calcite】Apache Calcite 框架初探及概念详解_董嘻嘻的博客-CSDN博客_apache calcite

Apache Calcite介绍_pucheung的博客-CSDN博客

Apache Calcite精简入门与学习指导_51CTO博客_apache calcite教程

Apache Calcite整体架构及处理流程 - 知乎

a) compile text to SqlNode

b) validate SqlNode 

c) convert SqlNode to RelNode (关系数学的节点)

d)optimize by rules

e) execute the plan

calcite ---CSV Schema

           --- ObjectSchema

           --- EleasticsearchSchema

           ---HbaseSchema