rust-postgres-large-object

文档

提供对Postgres大对象API访问的crate。

示例

extern crate postgres;
extern crate postgres_large_object;

use std::fs::File;
use std::io;

use postgres::{Connection, TlsMode};
use postgres_large_object::{LargeObjectExt, LargeObjectTransactionExt, Mode};

fn main() {
    let conn = Connection::connect("postgres://postgres@localhost", TlsMode::None).unwrap();

    let mut file = File::open("vacation_photos.tar.gz").unwrap();
    let trans = conn.transaction().unwrap();
    let oid = trans.create_large_object().unwrap();
    {
        let mut large_object = trans.open_large_object(oid, Mode::Write).unwrap();
        io::copy(&mut file, &mut large_object).unwrap();
    }
    trans.commit().unwrap();

    let mut file = File::create("vacation_photos_copy.tar.gz").unwrap();
    let trans = conn.transaction().unwrap();
    let mut large_object = trans.open_large_object(oid, Mode::Read).unwrap();
    io::copy(&mut large_object, &mut file).unwrap();
}

许可证

许可协议为以下两种之一：

• Apache许可证2.0版本 (LICENSE-APACHE 或 http://www.apache.org/licenses/LICENSE-2.0)
• MIT许可证 (LICENSE-MIT 或 http://opensource.org/licenses/MIT)

任选其一。

贡献

除非你明确表示，否则任何有意提交以包含在作品中的贡献，均应按上述方式双重许可，不附加任何额外条款或条件。