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目 录
Druid SQL 解析器源码分析
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1 概述
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2 解析器组成部分
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2.1 Paser。
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2.2 AST（抽象语法树）
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1.3 Visitor
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3 代码结构剖析
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3.1 Druid SQL Parser 代码结构
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3.2 AST 节点类型
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3.2.1 常见的 SQLExpr 有：
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3.2.2 常见的 SQLStatement
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3.2.3 常见的 SQLTableSource
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3.2.4 SQlSelect&SQLSelectQuery
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3.2.5 SQLCreateTableStatement
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4 关键代码执行流程
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4.1 SQL 解析引擎基本使用
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4.2 代码执行流程
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