1 unstable release
0.18.0 | Oct 28, 2022 |
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#1525 in Database interfaces
Used in 2 crates
27KB
807 lines
rustorm
Rustorm
Rustorm is an SQL-centered ORM with focus on ease of use on conversion of database types to their appropriate rust type.
Selecting records
use rustorm::{
DbError,
FromDao,
Pool,
ToColumnNames,
ToTableName,
};
#[derive(Debug, FromDao, ToColumnNames, ToTableName)]
struct Actor {
actor_id: i32,
first_name: String,
}
#[cfg(any(feature="with-postgres", feature = "with-sqlite"))]
fn main() {
let mut pool = Pool::new();
#[cfg(feature = "with-sqlite")]
let db_url = "sqlite://sakila.db";
#[cfg(feature = "with-postgres")]
let db_url = "postgres://postgres:p0stgr3s@localhost/sakila";
let em = pool.em(db_url).unwrap();
let sql = "SELECT * FROM actor LIMIT 10";
let actors: Result<Vec<Actor>, DbError> =
em.execute_sql_with_return(sql, &[]);
println!("Actor: {:#?}", actors);
let actors = actors.unwrap();
assert_eq!(actors.len(), 10);
for actor in actors {
println!("actor: {:?}", actor);
}
}
#[cfg(feature="with-mysql")]
fn main() {
println!("see examples for mysql usage, mysql has a little difference in the api");
}
Inserting and displaying the inserted records
use chrono::{
offset::Utc,
DateTime,
NaiveDate,
};
use rustorm::{
DbError,
FromDao,
Pool,
TableName,
ToColumnNames,
ToDao,
ToTableName,
};
#[cfg(any(feature="with-postgres", feature = "with-sqlite"))]
fn main() {
mod for_insert {
use super::*;
#[derive(Debug, PartialEq, ToDao, ToColumnNames, ToTableName)]
pub struct Actor {
pub first_name: String,
pub last_name: String,
}
}
mod for_retrieve {
use super::*;
#[derive(Debug, FromDao, ToColumnNames, ToTableName)]
pub struct Actor {
pub actor_id: i32,
pub first_name: String,
pub last_name: String,
pub last_update: DateTime<Utc>,
}
}
let mut pool = Pool::new();
#[cfg(feature = "with-sqlite")]
let db_url = "sqlite://sakila.db";
#[cfg(feature = "with-postgres")]
let db_url = "postgres://postgres:p0stgr3s@localhost/sakila";
let em = pool.em(db_url).unwrap();
let tom_cruise = for_insert::Actor {
first_name: "TOM".into(),
last_name: "CRUISE".to_string(),
};
let tom_hanks = for_insert::Actor {
first_name: "TOM".into(),
last_name: "HANKS".to_string(),
};
let actors: Result<Vec<for_retrieve::Actor>, DbError> =
em.insert(&[&tom_cruise, &tom_hanks]);
println!("Actor: {:#?}", actors);
assert!(actors.is_ok());
let actors = actors.unwrap();
let today = Utc::now().date();
assert_eq!(tom_cruise.first_name, actors[0].first_name);
assert_eq!(tom_cruise.last_name, actors[0].last_name);
assert_eq!(today, actors[0].last_update.date());
assert_eq!(tom_hanks.first_name, actors[1].first_name);
assert_eq!(tom_hanks.last_name, actors[1].last_name);
assert_eq!(today, actors[1].last_update.date());
}
#[cfg(feature="with-mysql")]
fn main() {
println!("see examples for mysql usage, mysql has a little difference in the api");
}
Rustorm is wholly used by diwata
License: MIT
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Dependencies
~5MB
~102K SLoC