A crate providing access to the Postgres large object API.
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();
}
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.
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.