Enum sqlx_core::error::Error

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#[non_exhaustive]
pub enum Error {
Show 15 variants Configuration(BoxDynError), Database(Box<dyn DatabaseError>), Io(Error), Tls(BoxDynError), Protocol(String), RowNotFound, TypeNotFound { type_name: String, }, ColumnIndexOutOfBounds { index: usize, len: usize, }, ColumnNotFound(String), ColumnDecode { index: String, source: BoxDynError, }, Decode(BoxDynError), PoolTimedOut, PoolClosed, WorkerCrashed, Migrate(Box<MigrateError>),
}
Expand description

Represents all the ways a method can fail within SQLx.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Configuration(BoxDynError)

Error occurred while parsing a connection string.

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Database(Box<dyn DatabaseError>)

Error returned from the database.

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Io(Error)

Error communicating with the database backend.

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Tls(BoxDynError)

Error occurred while attempting to establish a TLS connection.

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Protocol(String)

Unexpected or invalid data encountered while communicating with the database.

This should indicate there is a programming error in a SQLx driver or there is something corrupted with the connection to the database itself.

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RowNotFound

No rows returned by a query that expected to return at least one row.

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TypeNotFound

Fields

§type_name: String

Type in query doesn’t exist. Likely due to typo or missing user type.

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ColumnIndexOutOfBounds

Fields

§index: usize
§len: usize

Column index was out of bounds.

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ColumnNotFound(String)

No column found for the given name.

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ColumnDecode

Fields

§index: String

Error occurred while decoding a value from a specific column.

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Decode(BoxDynError)

Error occurred while decoding a value.

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PoolTimedOut

A Pool::acquire timed out due to connections not becoming available or because another task encountered too many errors while trying to open a new connection.

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PoolClosed

Pool::close was called while we were waiting in Pool::acquire.

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WorkerCrashed

A background worker has crashed.

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Migrate(Box<MigrateError>)

Implementations§

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impl Error

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pub fn into_database_error(self) -> Option<Box<dyn DatabaseError + 'static>>

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pub fn as_database_error(&self) -> Option<&(dyn DatabaseError + 'static)>

Trait Implementations§

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impl Debug for Error

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

Formats the value using the given formatter. Read more
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impl Display for Error

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

Formats the value using the given formatter. Read more
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impl Error for Error

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

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'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
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impl<E> From<E> for Errorwhere E: DatabaseError,

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fn from(error: E) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(error: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(source: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for MigrateError

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fn from(source: Error) -> Self

Converts to this type from the input type.
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impl From<MigrateError> for Error

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fn from(error: MigrateError) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl !RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl !UnwindSafe for Error

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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<U> for Twhere 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<E> Provider for Ewhere E: Error + ?Sized,

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fn provide<'a>(&'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
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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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<U>>::Error>

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

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V