rust-postgres-large-object

Documentation

A crate providing access to the Postgres large object API.

Example

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();
}

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you shall be dual licensed as above, without any additional terms or conditions.