fn main() -> elephantry::Result {
let database_url =
std::env::var("DATABASE_URL").unwrap_or_else(|_| "postgres://localhost".to_string());
let elephantry = elephantry::Pool::new(&database_url)?;
elephantry.execute(include_str!("structure.sql"))?;
let results = elephantry.execute("select * from department")?;
for result in &results {
let name: String = result.get("name");
println!("- {name}");
}
let parent_id: Option<i32> = results.get(0).get("parent_id");
dbg!(parent_id);
match results.get(0).try_get::<i32>("parent_id") {
Ok(_) => (),
Err(err) => eprintln!("Error: {err:?}"),
}
match results.get(0).try_get::<i32>("missing_field") {
Ok(_) => (),
Err(err) => eprintln!("Error: {err:?}"),
}
Ok(())
}