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Model

rustio_core::orm

Trait Model 

Source 
pub trait Model:
    Sized
    + Send
    + Sync
    + Unpin
    + 'static {
    const TABLE: &'static str;
    const COLUMNS: &'static [&'static str];
    const INSERT_COLUMNS: &'static [&'static str];

    // Required methods
    fn id(&self) -> i64;
    fn from_row(row: Row<'_>) -> Result<Self, Error>;
    fn insert_values(&self) -> Vec<Value>;

    // Provided methods
    fn find(
        db: &Db,
        id: i64,
    ) -> impl Future<Output = Result<Option<Self>, Error>> + Send
       where Self: Send { ... }
    fn all(db: &Db) -> impl Future<Output = Result<Vec<Self>, Error>> + Send { ... }
    fn create<'a>(
        &'a self,
        db: &'a Db,
    ) -> impl Future<Output = Result<i64, Error>> + Send + 'a { ... }
    fn update<'a>(
        &'a self,
        db: &'a Db,
    ) -> impl Future<Output = Result<(), Error>> + Send + 'a { ... }
    fn delete(
        db: &Db,
        id: i64,
    ) -> impl Future<Output = Result<(), Error>> + Send { ... }
}

Required Associated Constants§

Source

const TABLE: &'static str

Source

const COLUMNS: &'static [&'static str]

Source

const INSERT_COLUMNS: &'static [&'static str]

Required Methods§

Source

fn id(&self) -> i64

Source

fn from_row(row: Row<'_>) -> Result<Self, Error>

Source

fn insert_values(&self) -> Vec<Value>

Provided Methods§

Source

fn find( db: &Db, id: i64, ) -> impl Future<Output = Result<Option<Self>, Error>> + Send
where Self: Send,

Examples found in repository?
examples/orm_demo.rs (line 60)
33async fn main() -> Result<(), Error> {
34    let db = Db::memory().await?;
35    db.execute(
36        "CREATE TABLE users (
37            id INTEGER PRIMARY KEY AUTOINCREMENT,
38            name TEXT NOT NULL,
39            is_admin INTEGER NOT NULL
40        )",
41    )
42    .await?;
43
44    let alice_id = User {
45        id: 0,
46        name: "Alice".into(),
47        is_admin: false,
48    }
49    .create(&db)
50    .await?;
51    let bob_id = User {
52        id: 0,
53        name: "Bob".into(),
54        is_admin: true,
55    }
56    .create(&db)
57    .await?;
58    println!("created ids: alice={alice_id} bob={bob_id}");
59
60    let alice = User::find(&db, alice_id).await?.expect("alice");
61    println!("find alice: {alice:?}");
62
63    let all = User::all(&db).await?;
64    println!("all: {all:?}");
65
66    let renamed = User {
67        id: alice_id,
68        name: "Alicia".into(),
69        is_admin: false,
70    };
71    renamed.update(&db).await?;
72    let after_update = User::find(&db, alice_id).await?.unwrap();
73    println!("after update: {after_update:?}");
74
75    User::delete(&db, bob_id).await?;
76    println!("remaining after delete bob: {:?}", User::all(&db).await?);
77
78    Ok(())
79}
Source

fn all(db: &Db) -> impl Future<Output = Result<Vec<Self>, Error>> + Send

Examples found in repository?
examples/orm_demo.rs (line 63)
33async fn main() -> Result<(), Error> {
34    let db = Db::memory().await?;
35    db.execute(
36        "CREATE TABLE users (
37            id INTEGER PRIMARY KEY AUTOINCREMENT,
38            name TEXT NOT NULL,
39            is_admin INTEGER NOT NULL
40        )",
41    )
42    .await?;
43
44    let alice_id = User {
45        id: 0,
46        name: "Alice".into(),
47        is_admin: false,
48    }
49    .create(&db)
50    .await?;
51    let bob_id = User {
52        id: 0,
53        name: "Bob".into(),
54        is_admin: true,
55    }
56    .create(&db)
57    .await?;
58    println!("created ids: alice={alice_id} bob={bob_id}");
59
60    let alice = User::find(&db, alice_id).await?.expect("alice");
61    println!("find alice: {alice:?}");
62
63    let all = User::all(&db).await?;
64    println!("all: {all:?}");
65
66    let renamed = User {
67        id: alice_id,
68        name: "Alicia".into(),
69        is_admin: false,
70    };
71    renamed.update(&db).await?;
72    let after_update = User::find(&db, alice_id).await?.unwrap();
73    println!("after update: {after_update:?}");
74
75    User::delete(&db, bob_id).await?;
76    println!("remaining after delete bob: {:?}", User::all(&db).await?);
77
78    Ok(())
79}
Source

fn create<'a>( &'a self, db: &'a Db, ) -> impl Future<Output = Result<i64, Error>> + Send + 'a

Examples found in repository?
examples/orm_demo.rs (line 49)
33async fn main() -> Result<(), Error> {
34    let db = Db::memory().await?;
35    db.execute(
36        "CREATE TABLE users (
37            id INTEGER PRIMARY KEY AUTOINCREMENT,
38            name TEXT NOT NULL,
39            is_admin INTEGER NOT NULL
40        )",
41    )
42    .await?;
43
44    let alice_id = User {
45        id: 0,
46        name: "Alice".into(),
47        is_admin: false,
48    }
49    .create(&db)
50    .await?;
51    let bob_id = User {
52        id: 0,
53        name: "Bob".into(),
54        is_admin: true,
55    }
56    .create(&db)
57    .await?;
58    println!("created ids: alice={alice_id} bob={bob_id}");
59
60    let alice = User::find(&db, alice_id).await?.expect("alice");
61    println!("find alice: {alice:?}");
62
63    let all = User::all(&db).await?;
64    println!("all: {all:?}");
65
66    let renamed = User {
67        id: alice_id,
68        name: "Alicia".into(),
69        is_admin: false,
70    };
71    renamed.update(&db).await?;
72    let after_update = User::find(&db, alice_id).await?.unwrap();
73    println!("after update: {after_update:?}");
74
75    User::delete(&db, bob_id).await?;
76    println!("remaining after delete bob: {:?}", User::all(&db).await?);
77
78    Ok(())
79}
Source

fn update<'a>( &'a self, db: &'a Db, ) -> impl Future<Output = Result<(), Error>> + Send + 'a

Examples found in repository?
examples/orm_demo.rs (line 71)
33async fn main() -> Result<(), Error> {
34    let db = Db::memory().await?;
35    db.execute(
36        "CREATE TABLE users (
37            id INTEGER PRIMARY KEY AUTOINCREMENT,
38            name TEXT NOT NULL,
39            is_admin INTEGER NOT NULL
40        )",
41    )
42    .await?;
43
44    let alice_id = User {
45        id: 0,
46        name: "Alice".into(),
47        is_admin: false,
48    }
49    .create(&db)
50    .await?;
51    let bob_id = User {
52        id: 0,
53        name: "Bob".into(),
54        is_admin: true,
55    }
56    .create(&db)
57    .await?;
58    println!("created ids: alice={alice_id} bob={bob_id}");
59
60    let alice = User::find(&db, alice_id).await?.expect("alice");
61    println!("find alice: {alice:?}");
62
63    let all = User::all(&db).await?;
64    println!("all: {all:?}");
65
66    let renamed = User {
67        id: alice_id,
68        name: "Alicia".into(),
69        is_admin: false,
70    };
71    renamed.update(&db).await?;
72    let after_update = User::find(&db, alice_id).await?.unwrap();
73    println!("after update: {after_update:?}");
74
75    User::delete(&db, bob_id).await?;
76    println!("remaining after delete bob: {:?}", User::all(&db).await?);
77
78    Ok(())
79}
Source

fn delete(db: &Db, id: i64) -> impl Future<Output = Result<(), Error>> + Send

Examples found in repository?
examples/orm_demo.rs (line 75)
33async fn main() -> Result<(), Error> {
34    let db = Db::memory().await?;
35    db.execute(
36        "CREATE TABLE users (
37            id INTEGER PRIMARY KEY AUTOINCREMENT,
38            name TEXT NOT NULL,
39            is_admin INTEGER NOT NULL
40        )",
41    )
42    .await?;
43
44    let alice_id = User {
45        id: 0,
46        name: "Alice".into(),
47        is_admin: false,
48    }
49    .create(&db)
50    .await?;
51    let bob_id = User {
52        id: 0,
53        name: "Bob".into(),
54        is_admin: true,
55    }
56    .create(&db)
57    .await?;
58    println!("created ids: alice={alice_id} bob={bob_id}");
59
60    let alice = User::find(&db, alice_id).await?.expect("alice");
61    println!("find alice: {alice:?}");
62
63    let all = User::all(&db).await?;
64    println!("all: {all:?}");
65
66    let renamed = User {
67        id: alice_id,
68        name: "Alicia".into(),
69        is_admin: false,
70    };
71    renamed.update(&db).await?;
72    let after_update = User::find(&db, alice_id).await?.unwrap();
73    println!("after update: {after_update:?}");
74
75    User::delete(&db, bob_id).await?;
76    println!("remaining after delete bob: {:?}", User::all(&db).await?);
77
78    Ok(())
79}

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§