ANTLR

• grammars-v4原生支持SQL
• antlr4只需要g4语法文件的，可以生成各种语言的代码
• antlr lab: Run it online

Limit

• Unsupported list in Grammar v4 official repository
  • BigQuery
  • Teradata

SQL grammer

sample projects

Abstract Syntax Tree(AST) project

• https://github.com/DTStack/dt-sql-parser
  • js, 基于antlr4

Reference

• antlr4 简明教程
• The definitive antlr 4 reference (pdf)
• explained.ai: the home site of antlr's father
• sample: build a new database that will create CSV files using SQL
  • Part1
  • Part2
  • Source code