# sql-parser-lineage

**Repository Path**: xyb_mhj/sql-parser-lineage

## Basic Information

- **Project Name**: sql-parser-lineage
- **Description**: 基于antlr4的sql解析
- **Primary Language**: Java
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 7
- **Created**: 2023-02-13
- **Last Updated**: 2023-02-13

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# 说明：基于 [sql-parser](https://github.com/webgjc/sql-parser)的二开

# sql-parser-lineage

基于antlr4的sql解析，实现格式化，元数据，血源等自定义解析.Doris

DorisSQL

### demo1

```sql
INSERT INTO TABLE db_test.table_result
SELECT t1.id,
       t2.name
FROM (
         SELECT id1 + id2 AS id
         FROM db_test.table1
     ) t1
         LEFT JOIN
     (
         SELECT id,
                name
         FROM (
                  SELECT id, sourcename AS name
                  FROM db_test.table2
              )
     ) t2 ON t1.id = t2.id
```

## 使用说明

下载安装[antlr4](https://www.antlr.org/index.html)

idea装antlr4插件调试 antlr.xxx.xxx.g4 中的规则

拉下来项目代码，运行Application