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Error

Enum Error 

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#[non_exhaustive]
pub enum Error { Sqlite(Error), NotFound, ReadOnly(String), QueueTimeout(Duration), Migration(String), SnapshotStale(String), UnknownDependencies(String), Config(String), Internal(String), Closed, }
Expand description

roomrs 단일 에러 타입 — 공개 API는 전부 이 타입으로 반환한다

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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Sqlite(Error)

SQLite 하부 에러 (rusqlite 위임 — readonly 계열은 ReadOnly로 매핑, L-2)

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NotFound

정확히 1건을 기대했으나 0건 (명세 §5.2 반환 타입 규칙)

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ReadOnly(String)

SQLite가 읽기 전용 상태 또는 파일로 판단한 write.

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QueueTimeout(Duration)

통합 풀 checkout 대기 타임아웃 (명세 §10 큐 정책)

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Migration(String)

마이그레이션 실패/불가

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SnapshotStale(String)

스키마 스냅샷 스테일 (명세 §7.4 — M1c에서 사용)

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UnknownDependencies(String)

라이브 쿼리 의존 테이블 추출 실패 (명세 §5.7 — M4에서 사용)

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Config(String)

빌더/설정 오류

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Internal(String)

내부 불변식 위반 — 워커 응답 유실 등 (버그 신고 대상)

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Closed

데이터베이스 종료 — 라이브 쿼리 채널 닫힘 (M-7)

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

1.30.0 · Source§

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

Returns 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, 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. Read more
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impl From<Error> for Error

rusqlite 에러 변환 — SQLITE_READONLY는 공개 호환용 ReadOnly로 승격한다.

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fn from(e: Error) -> 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 !UnwindSafe for Error

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impl Freeze 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 UnsafeUnpin for Error

Blanket Implementations§

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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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

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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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<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

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

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type Error = Infallible

The type returned in the event of a conversion error.
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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 T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.