Enum helge::ConnectionError

source · [−]

pub enum ConnectionError {
    Connection(ConnectionError),
    PingFailed(Error),
    PoolSettings(String),
}

Expand description

ConnectionError can only occur when creating Helge.

Variants

`Connection(ConnectionError)`

`PingFailed(Error)`

`PoolSettings(String)`

Trait Implementations

source

impl Debug for ConnectionError

source

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

source

impl Display for ConnectionError

source

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

source

impl Error for ConnectionError

1.30.0 · source

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more

1.0.0 · source

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

source

fn provide(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports. Read more

source

impl From<Error> for ConnectionError

source

fn from(err: Error) -> Self

Converts to this type from the input type.

Auto Trait Implementations

impl !RefUnwindSafe for ConnectionError

impl Send for ConnectionError

impl Sync for ConnectionError

impl Unpin for ConnectionError

impl !UnwindSafe for ConnectionError

Blanket Implementations

source

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

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

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.

source

impl<T> IntoSql for T

source

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

source

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

source

impl<E> Provider for E where
E: Error + ?Sized,

source

fn provide(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)

Data providers should implement this method to provide all values they are able to provide by using demand. Read more

source

impl<T> ToString for T where
T: Display + ?Sized,

source

default fn to_string(&self) -> String

Converts the given value to a String. Read more

source

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.

source

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.

Enum helge::ConnectionError

Variants

Connection(ConnectionError)

PingFailed(Error)

PoolSettings(String)

Trait Implementations

impl Debug for ConnectionError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Display for ConnectionError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

impl Error for ConnectionError

fn source(&self) -> Option<&(dyn Error + 'static)>

fn description(&self) -> &str

fn cause(&self) -> Option<&dyn Error>

fn provide(&'a self, demand: &mut Demand<'a>)

impl From<Error> for ConnectionError

fn from(err: Error) -> Self

Auto Trait Implementations

impl !RefUnwindSafe for ConnectionError

impl Send for ConnectionError

impl Sync for ConnectionError

impl Unpin for ConnectionError

impl !UnwindSafe for ConnectionError

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<E> Provider for E where E: Error + ?Sized,

fn provide(&'a self, demand: &mut Demand<'a>)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

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>

`Connection(ConnectionError)`

`PingFailed(Error)`

`PoolSettings(String)`

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<E> Provider for E where
E: Error + ?Sized,

impl<T> ToString for T where
T: Display + ?Sized,

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

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