Enum Error

pub enum Error {
    WithContext(Box<Error>, String),
    BadArgument(String),
    IO(String),
    Request(String),
    Decode(String),
    QueryFailed(ErrorCode),
    Logic(StatusCode, ErrorCode),
    Response {
        status: StatusCode,
        msg: String,
    },
    QueryNotFound(String),
    AuthFailure(ErrorCode),
}

Variants

WithContext(Box<Error>, String)

BadArgument(String)

errors detected before sending request. e.g. invalid DSN, header value, stage name.

IO(String)

errors when

1. accessing local file and presign_url
2. From(std::io::Error)

Request(String)

send request error

Decode(String)

http handler return 200, but body is invalid

1. failed to decode body to Utf8 or JSON
2. failed to decode result data

QueryFailed(ErrorCode)

http handler return 200, but query failed (.error != null)

Logic(StatusCode, ErrorCode)

http handler return non-200, with JSON body of type QueryError.

Response

other non-200 response

Fields

status: StatusCode

msg: String

QueryNotFound(String)

the flowing are more detail type of Logic

possible reasons:

• expired: if you have not polled the next_page_uri for too long, the session will be expired, you’ll get a 404 on accessing this next page uri.
• routed to another server
• server restarted

TODO: try to distinguish them

AuthFailure(ErrorCode)

Implementations

impl Error

pub fn response_error(status: StatusCode, body: &[u8]) -> Self

pub fn with_context(self, ctx: &str) -> Self

pub fn status_code(&self) -> Option<StatusCode>

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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<Error> for Error

fn from(e: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(e: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(e: Error) -> Self

Converts to this type from the input type.

impl From<InvalidHeaderValue> for Error

only used in make_headers

fn from(e: InvalidHeaderValue) -> Self

Converts to this type from the input type.

impl From<ParseError> for Error

fn from(e: ParseError) -> Self

Converts to this type from the input type.

impl From<ParseIntError> for Error

fn from(e: ParseIntError) -> Self

Converts to this type from the input type.

impl From<Utf8Error> for Error

fn from(e: Utf8Error) -> Self

Converts to this type from the input type.