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Db

Struct Db 

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pub struct Db { /* private fields */ }

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impl Db

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pub async fn connect(url: &str) -> Result<Self, Error>

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pub async fn memory() -> Result<Self, Error>

Examples found in repository?
examples/admin_demo.rs (line 39)
38async fn main() -> std::io::Result<()> {
39    let db = Db::memory().await.expect("db connect");
40    db.execute(
41        "CREATE TABLE users (
42            id INTEGER PRIMARY KEY AUTOINCREMENT,
43            name TEXT NOT NULL,
44            is_admin INTEGER NOT NULL
45        )",
46    )
47    .await
48    .expect("create schema");
49
50    User {
51        id: 0,
52        name: "Alice".into(),
53        is_admin: false,
54    }
55    .create(&db)
56    .await
57    .expect("seed alice");
58    User {
59        id: 0,
60        name: "Bob".into(),
61        is_admin: true,
62    }
63    .create(&db)
64    .await
65    .expect("seed bob");
66
67    let router = with_defaults(Router::new()).wrap(authenticate);
68    let router = admin::register::<User>(router, &db);
69
70    let addr: SocketAddr = ([127, 0, 0, 1], 3000).into();
71    eprintln!("admin demo: hit /admin/users with `Authorization: Bearer dev-admin` header");
72    Server::bind(addr).serve_router(router).await
73}
More examples
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examples/orm_demo.rs (line 34)
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}
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pub async fn execute(&self, sql: &str) -> Result<(), Error>

Examples found in repository?
examples/admin_demo.rs (lines 40-46)
38async fn main() -> std::io::Result<()> {
39    let db = Db::memory().await.expect("db connect");
40    db.execute(
41        "CREATE TABLE users (
42            id INTEGER PRIMARY KEY AUTOINCREMENT,
43            name TEXT NOT NULL,
44            is_admin INTEGER NOT NULL
45        )",
46    )
47    .await
48    .expect("create schema");
49
50    User {
51        id: 0,
52        name: "Alice".into(),
53        is_admin: false,
54    }
55    .create(&db)
56    .await
57    .expect("seed alice");
58    User {
59        id: 0,
60        name: "Bob".into(),
61        is_admin: true,
62    }
63    .create(&db)
64    .await
65    .expect("seed bob");
66
67    let router = with_defaults(Router::new()).wrap(authenticate);
68    let router = admin::register::<User>(router, &db);
69
70    let addr: SocketAddr = ([127, 0, 0, 1], 3000).into();
71    eprintln!("admin demo: hit /admin/users with `Authorization: Bearer dev-admin` header");
72    Server::bind(addr).serve_router(router).await
73}
More examples
Hide additional examples
examples/orm_demo.rs (lines 35-41)
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}

Trait Implementations§

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impl Clone for Db

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fn clone(&self) -> Db

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

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impl Freeze for Db

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impl !RefUnwindSafe for Db

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impl Send for Db

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impl Sync for Db

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impl Unpin for Db

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impl UnsafeUnpin for Db

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impl !UnwindSafe for Db

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more