# rust-postgres-large-object
A crate providing access to the Postgres large object API.
[](https://travis-ci.org/sfackler/rust-postgres-large-object)
[Documentation](https://sfackler.github.io/rust-postgres-large-object/doc/v0.3.4/postgres_large_object)
# Example
```rust
extern crate postgres;
extern crate postgres_large_object;
use std::fs::File;
use std::io;
use postgres::{Connection, SslMode};
use postgres_large_object::{LargeObjectExt, LargeObjectTransactionExt, Mode};
fn main() {
let conn = Connection::connect("postgres://postgres@localhost", &SslMode::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();
}
```