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README
MIT

pg

用于golang database/sql 的PostgreSQL驱动

GoDoc license Go Report Card

Go Version Support

Go version Go version Go version FOSSA Status

PostgreSQL Version Support

PostgreSQL version PostgreSQL version PostgreSQL version PostgreSQL version PostgreSQL version

安装

go get github.com/blusewang/pg

使用

通用查询


db, err := sql.Open(pg.DriverName, "pg://user:password@dbhost.yourdomain.com/database_name?application_name=app_name&sslmode=verify-full")
if err != nil {
return err
}
defer db.Close()
rows, err := db.Query("select * from bluse where id>$1", 0)
if err != nil {
return err
}
...

异步订阅

    md, err := dsn.ParseDSN("pg://user:password@dbhost.yourdomain.com/database_name?application_name=app_name&sslmode=verify-full")
if err != nil {
return
}
c, err := pg.New(context.Background(), md)
if err != nil {
return
}
_, err = c.QueryNoArgs("listen abc")
if err != nil {
_ = c.Terminate()
return
}
for {
n, ok := <-c.NotifyChan
if !ok {
log.Println(c.IOError)
return
}
log.Println(n.Condition, n.Text)
}

文档

更多的细节及使用示例,参见: https://pkg.go.dev/github.com/blusewang/pg.

特性

  • Scan() 时允许传入指针,完美对应数据库中的null
  • 所有查询全部自动prepare并缓存。
  • 支持pg://前缀的URI
  • 支持Listen式的异步消息订阅

配置要求

  • 配置上需将sql.SetMaxIdleConns(x)sql.SetMaxOpenConns(x)两处的x设置为相同的值,才能让缓存实现价值。

协议实现

  • 本驱动是为Web服务而设计
状态 功能 备注
启动 支持:无密码、明文密码、md5、SCRAM-SHA-256
简单查询 必备
扩展查询 必备
取消正在处理的请求 必备
终止 必备
SSL会话加密 远程安全
异步 listen/notify

暂不支持SCRAM-SHA-256-PLUS。当pg_hba.conf使用:

hostssl all             all             0.0.0.0/0               scram-sha-256 clientcert=verify-full

时,Server会发类型为SCRAM-SHA-256-PLUS类型的请求。此时客户端将自动降级至SCRAM-SHA-256

License

FOSSA Status

MIT License Copyright (c) 2019 jf Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

简介

用于golang database/sql 的PostgreSQL驱动 展开 收起
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