Enum PersistenceError 

pub enum PersistenceError {
    Connection(String),
    Query(String),
    Serialization(String),
    NotFound(String),
    Constraint(String),
    Other(String),
}

持久化错误

Variants

Connection(String)

连接错误

Query(String)

查询错误

Serialization(String)

序列化错误

NotFound(String)

记录未找到

Constraint(String)

约束冲突

Other(String)

其他错误

Trait Implementations

impl Debug for PersistenceError

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

Formats the value using the given formatter.

impl Display for PersistenceError

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

Formats the value using the given formatter.

impl Error for PersistenceError

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.