[−][src]Enum diesel::r2d2::Error

pub enum Error {
    ConnectionError(ConnectionError),
    QueryError(Error),
}
[−]

The error used when managing connections with r2d2.

Variants

ConnectionError(ConnectionError)
[−]

An error occurred establishing the connection

QueryError(Error)
[−]

An error occurred pinging the database

Trait Implementations

impl Display for Error[src][+]

impl Debug for Error[src][+]

impl Error for Error[src][+]

fn cause(&self) -> Option<&dyn Error>1.0.0[src][−]

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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

fn source(&self) -> Option<&(dyn Error + 'static)>1.30.0[src][−]

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

Auto Trait Implementations

impl Unpin for Error

impl Sync for Error

impl Send for Error

impl !UnwindSafe for Error

impl !RefUnwindSafe for Error

Blanket Implementations

impl<T> IntoSql for T[src][+]

fn into_sql<T>(self) -> AsExprOf<Self, T> where
    Self: AsExpression<T> + Sized, [src][−]

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

fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T> where
    &'a Self: AsExpression<T>, [src][−]

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

impl<T> From<T> for T[src][+]

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

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

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

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

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

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