Struct QueryCancelled 

pub struct QueryCancelled;

Raised when a query is cancelled by user request. Matches PostgreSQL SQLSTATE 57014 (query_canceled); its Display payload stays stable for log processing.

Trait Implementations

impl Clone for QueryCancelled

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for QueryCancelled

impl Debug for QueryCancelled

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

Formats the value using the given formatter.

impl Display for QueryCancelled

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

Formats the value using the given formatter.

impl Eq for QueryCancelled

impl Error for QueryCancelled

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

Returns the lower-level source of this error, if any.

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

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<QueryCancelled> for JsonReadError

fn from(source: QueryCancelled) -> Self

Converts to this type from the input type.

impl From<QueryCancelled> for ArrayTraversalError

fn from(source: QueryCancelled) -> Self

Converts to this type from the input type.

impl From<QueryCancelled> for JsonbKeyError

fn from(source: QueryCancelled) -> Self

Converts to this type from the input type.

impl From<QueryCancelled> for ValueRetentionError

fn from(source: QueryCancelled) -> Self

Converts to this type from the input type.

impl PartialEq for QueryCancelled

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for QueryCancelled