Struct helge::Helge

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pub struct Helge<C> where
    C: R2D2Connection + Send + 'static, { /* private fields */ }

Expand description

The main wrapper, simply contains an r2d2::Pool

Implementations

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impl<C> Helge<C> where
C: R2D2Connection + Send + 'static,

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pub fn new(database_uri: impl Into<String>) -> Result<Self, ConnectionError>

Create a new Helge with default settings

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pub fn from_pool(pool: Pool<ConnectionManager<C>>) -> Self

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pub fn get_conn(&self) -> Result<PooledConnection<ConnectionManager<C>>, Error>

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pub async fn query<T, F>(&self, f: F) -> Result<T, Error> where
T: Send + 'static,
F: FnOnce(&mut C) -> Result<T, Error> + Send + 'static,

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pub async fn run<T, E, F>(&self, f: F) -> Result<T, E> where
 T: Send + 'static,
 E: From<Error> + Send + 'static,
 F: FnOnce(&mut C) -> Result<T, E> + Send + 'static,

Trait Implementations

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impl<C> Clone for Helge<C> where
C: R2D2Connection + Send + 'static,

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fn clone(&self) -> Self

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

Auto Trait Implementations

impl<C> !RefUnwindSafe for Helge<C>

impl<C> Send for Helge<C>

impl<C> Sync for Helge<C>

impl<C> Unpin for Helge<C>

impl<C> !UnwindSafe for Helge<C>

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

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> IntoSql for T

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fn into_sql<T>(self) -> Self::Expression where
Self: AsExpression<T>,
T: SqlType + TypedExpressionType,

Convert self to an expression for Diesel’s query builder. Read more

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fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
T: SqlType + TypedExpressionType,
&'a Self: AsExpression<T>,

Convert &self to an expression for Diesel’s query builder. Read more

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impl<T> ToOwned for T where
T: Clone,

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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct helge::Helge

Implementations

impl<C> Helge<C> where C: R2D2Connection + Send + 'static,

pub fn new(database_uri: impl Into<String>) -> Result<Self, ConnectionError>

pub fn from_pool(pool: Pool<ConnectionManager<C>>) -> Self

pub fn get_conn(&self) -> Result<PooledConnection<ConnectionManager<C>>, Error>

pub async fn query<T, F>(&self, f: F) -> Result<T, Error> where T: Send + 'static, F: FnOnce(&mut C) -> Result<T, Error> + Send + 'static,

pub async fn run<T, E, F>(&self, f: F) -> Result<T, E> where T: Send + 'static, E: From<Error> + Send + 'static, F: FnOnce(&mut C) -> Result<T, E> + Send + 'static,

Trait Implementations

impl<C> Clone for Helge<C> where C: R2D2Connection + Send + 'static,

fn clone(&self) -> Self

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

Auto Trait Implementations

impl<C> !RefUnwindSafe for Helge<C>

impl<C> Send for Helge<C>

impl<C> Sync for Helge<C>

impl<C> Unpin for Helge<C>

impl<C> !UnwindSafe for Helge<C>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> IntoSql for T

fn into_sql<T>(self) -> Self::Expression where Self: AsExpression<T>, T: SqlType + TypedExpressionType,

fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where T: SqlType + TypedExpressionType, &'a Self: AsExpression<T>,

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<C> Helge<C> where
C: R2D2Connection + Send + 'static,

pub async fn query<T, F>(&self, f: F) -> Result<T, Error> where
T: Send + 'static,
F: FnOnce(&mut C) -> Result<T, Error> + Send + 'static,

pub async fn run<T, E, F>(&self, f: F) -> Result<T, E> where
T: Send + 'static,
E: From<Error> + Send + 'static,
F: FnOnce(&mut C) -> Result<T, E> + Send + 'static,

impl<C> Clone for Helge<C> where
C: R2D2Connection + Send + 'static,

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

fn into_sql<T>(self) -> Self::Expression where
Self: AsExpression<T>,
T: SqlType + TypedExpressionType,

fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression where
T: SqlType + TypedExpressionType,
&'a Self: AsExpression<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,