https://github.com/sjjian/oracle-sql-parser

this is a yacc (goyacc) oracle sql parser.
https://github.com/sjjian/oracle-sql-parser

ast goyacc lexer oracle parse parser plsql sql statement stmt yacc

Last synced: about 2 months ago
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this is a yacc (goyacc) oracle sql parser.

• Host: GitHub
• URL: https://github.com/sjjian/oracle-sql-parser
• Owner: sjjian
• License: apache-2.0
• Created: 2021-09-15T02:55:36.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2022-04-18T07:09:49.000Z (almost 3 years ago)
• Last Synced: 2024-10-15T09:52:45.120Z (3 months ago)
• Topics: ast, goyacc, lexer, oracle, parse, parser, plsql, sql, statement, stmt, yacc
• Language: Yacc
• Homepage:
• Size: 768 KB
• Stars: 17
• Watchers: 1
• Forks: 9
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Oracle SQL Parser

this is an oracle sql parser. ref: https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf

## supported statement

|statement| sub statement |yacc|ast|

|----|----|----|----|

|Alter table|Add column| :heavy_check_mark:|:heavy_check_mark:|

|Alter table|Modify column| :heavy_check_mark:|:heavy_check_mark:|

|Alter table|Drop column| :heavy_check_mark:|:heavy_check_mark:|

|Alter table|Rename column| :heavy_check_mark:|:heavy_check_mark:|

|Alter table|Add constraint| :heavy_check_mark:| :heavy_check_mark:|

|Alter table|Modify constraint| :heavy_check_mark:| :heavy_check_mark:|

|Alter table|Rename constraint| :heavy_check_mark:| :heavy_check_mark:|

|Alter table|Drop constraint| :heavy_check_mark:| :heavy_check_mark:|

|Create table|Relational table|:heavy_check_mark:|:heavy_check_mark:|

|Create index|Relational table|:heavy_check_mark:| |

|Drop table|-|:heavy_check_mark:|:heavy_check_mark:|

|Drop index|-|:heavy_check_mark:|:heavy_check_mark:|

## usage

```go

package main

import (

	"fmt"

	"github.com/sjjian/oracle-sql-parser"

	"github.com/sjjian/oracle-sql-parser/ast"

)

func main() {

	stmts, err := parser.Parser("alter table db1.t1 add (id number, name varchar2(255))")

	if err != nil {

		fmt.Println(err)

		return

	}

	stmt := stmts[0]

	switch s := stmt.(type) {

	case *ast.AlterTableStmt:

		fmt.Println(s.TableName.Table.Value) // t1

	}

}

```