SQL Builder in GoLang
Go-SQLBuilder
是一个用于创建SQL语句的工具函数库,提供一系列灵活的、与原生SQL语法一致的链式函数。
Projects
Go-SQLBuilder
项目归属于艾润物联公司,项目地址:
开发项目由开发者Fork并持续开发:
当版本稳定时,通过PR合并到发布项目:
Goals
Go-SQLBuilder
的目标是提供一个简洁易用的函数工具集,它可以与SQL原生语法一致地使用,来用生成SQL语句,提供组database/sql
包的原生数据库操作函数使用。
最显著的是,Go-SQLBuilder生成的SQL语句,最大程序上使用占位符号?
来替代数值位,并建议使用sql.DB.Query(args)
和sql.DB.Exec(args)
来设值避免SQL注入等问题。
Features
- 已支持MySQL基本Select/Update/Insert/Delete/Where等语法;
- 目前只支持MySQL语法;
- 未支持多表查询;
Install
go get -u github.com/parkingwang/go-sqlbuilder
Usage
Base Usage
sql1 := gsb.Select().
From("t_users").
OrderBy("username").ASC().
Column("password").DESC().
Limit(10).
Offset(20).
GetSQL()
fmt.Println(sql1)
Output:
SELECT * FROM t_users
ORDER BY username
ASC, password
DESC LIMIT 10 OFFSET 20;
Advance Usage
sql1 := gsb.Select("id", "username", "password").
Distinct().
From("t_users").
Where(gsb.Group(gsb.Equal("username").And().EqualTo("password", "123456")).
And().
Group(gsb.LessThen("age").Or().In("nick_name", "yoojia", "yoojiachen"))).
GetSQL()
fmt.Println(sql1)
sql2 := gsb.Insert("t_vehicles").
Columns("id", "number", "color").
Values(1, "粤BF49883", "GREEN").
GetSQL()
fmt.Println(sql2)
Output:
SELECT DISTINCT `id`,`username`,`password` FROM `t_users`
WHERE (`username` = ? AND `password` = '123456') AND (`age` < ? OR `nick_name` IN ('yoojia','yoojiachen'));
INSERT INTO `t_vehicles`(`id`, `number`, `color`) VALUES (1, '粤BF49883', 'GREEN');
Inner Select
sql := Select("id", "username").
FromSelect(Select().From("t_users_bak").Where(NotEqual("name"))).
Where(Equal("password")).
Limit(10).Offset(200).
GetSQL()
fmt.Println(sql)
Output:
SELECT `id`, `username` FROM (SELECT * FROM `t_users_bak` WHERE `name` <> ?) WHERE `password` = ? LIMIT 10 OFFSET 200;
License
Copyright 2018 西安艾润物联网技术服务有限责任公司
Copyright 2018 陈哈哈(chenyongjia@parkingwang, yoojiachen@gmail.com)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.