Enum KgError 

pub enum KgError {
    Database(String),
    EntityNotFound(String),
    RelationNotFound(String),
    EntityExists(String),
    ImportConflict(String),
    PathNotFound {
        from: String,
        to: String,
    },
    MaxDepthExceeded {
        depth: u32,
        max: u32,
    },
    CircularReference(String),
    Validation(String),
    Transaction(String),
    Serialization(String),
}

Knowledge graph errors.

Variants

Database(String)

EntityNotFound(String)

RelationNotFound(String)

EntityExists(String)

ImportConflict(String)

PathNotFound

Fields

from: String

to: String

MaxDepthExceeded

Fields

depth: u32

max: u32

CircularReference(String)

Validation(String)

Transaction(String)

Serialization(String)

Implementations

impl KgError

pub fn is_retryable(&self) -> bool

Trait Implementations

impl Debug for KgError

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

Formats the value using the given formatter.

impl Display for KgError

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

Formats the value using the given formatter.

impl Error for KgError

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.