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Error

lance_core::error

Enum Error 

Source 
pub enum Error {

Show 36 variants    InvalidInput {
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    DatasetAlreadyExists {
        uri: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    SchemaMismatch {
        difference: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    DatasetNotFound {
        path: String,
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    CorruptFile {
        path: Path,
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    NotSupported {
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    CommitConflict {
        version: u64,
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    IncompatibleTransaction {
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    RetryableCommitConflict {
        version: u64,
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    TooMuchWriteContention {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Timeout {
        message: String,
        location: Location,
    },
    Internal {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    PrerequisiteFailed {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Unprocessable {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Arrow {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Schema {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    NotFound {
        uri: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    IO {
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Index {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    IndexNotFound {
        identity: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    InvalidTableLocation {
        message: String,
    },
    Stop,
    Wrapped {
        error: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Cloned {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Execution {
        message: String,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    InvalidRef {
        message: String,
    },
    RefConflict {
        message: String,
    },
    RefNotFound {
        message: String,
    },
    Cleanup {
        message: String,
    },
    VersionNotFound {
        message: String,
    },
    VersionConflict {
        message: String,
        major_version: u16,
        minor_version: u16,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    Namespace {
        source: Box<dyn Error + Send + Sync + 'static>,
        location: Location,
        backtrace: MaybeBacktrace,
    },
    External {
        source: Box<dyn Error + Send + Sync + 'static>,
    },
    FieldNotFound {
        source: FieldNotFoundError,
    },
    DiskCapExceeded {
        cap_bytes: u64,
        used_bytes: u64,
        location: Location,
    },
    Fenced {
        reason: FenceReason,
        message: String,
        location: Location,
    },

}

Variants§

§

InvalidInput

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

DatasetAlreadyExists

Fields

§uri: String
§location: Location
§backtrace: MaybeBacktrace
§

SchemaMismatch

Fields

§difference: String
§location: Location
§backtrace: MaybeBacktrace
§

DatasetNotFound

Fields

§path: String
§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

CorruptFile

Fields

§path: Path
§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

NotSupported

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

CommitConflict

Fields

§version: u64
§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

IncompatibleTransaction

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

RetryableCommitConflict

Fields

§version: u64
§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

TooMuchWriteContention

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

Timeout

Fields

§message: String
§location: Location
§

Internal

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

PrerequisiteFailed

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

Unprocessable

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

Arrow

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

Schema

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

NotFound

Fields

§uri: String
§location: Location
§backtrace: MaybeBacktrace
§

IO

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

Index

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

IndexNotFound

Fields

§identity: String
§location: Location
§backtrace: MaybeBacktrace
§

InvalidTableLocation

Fields

§message: String
§

Stop

Stream early stop

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Wrapped

Fields

§error: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

Cloned

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

Execution

Fields

§message: String
§location: Location
§backtrace: MaybeBacktrace
§

InvalidRef

Fields

§message: String
§

RefConflict

Fields

§message: String
§

RefNotFound

Fields

§message: String
§

Cleanup

Fields

§message: String
§

VersionNotFound

Fields

§message: String
§

VersionConflict

Fields

§message: String
§major_version: u16
§minor_version: u16
§location: Location
§backtrace: MaybeBacktrace
§

Namespace

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§location: Location
§backtrace: MaybeBacktrace
§

External

External error passed through from user code.

This variant preserves errors that users pass into Lance APIs (e.g., via streams with custom error types). The original error can be recovered using Error::into_external or inspected using Error::external_source.

Fields

§source: Box<dyn Error + Send + Sync + 'static>
§

FieldNotFound

A requested field was not found in a schema.

Fields

§source: FieldNotFoundError
§

DiskCapExceeded

Fields

§cap_bytes: u64
§used_bytes: u64
§location: Location
§

Fenced

A writer has been fenced and must stop (see FenceReason). The message keeps the Writer fenced prefix for legacy string consumers; new code should match on Error::fence_reason.

Fields

§reason: FenceReason
§message: String
§location: Location

Implementations§

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impl Error

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pub fn backtrace(&self) -> Option<&Backtrace>

Returns the captured Rust backtrace, if available.

Always returns None when the backtrace feature is not enabled.

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pub fn corrupt_file(path: Path, message: impl Into<String>) -> Self

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pub fn invalid_input(message: impl Into<String>) -> Self

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pub fn invalid_input_source( source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn io(message: impl Into<String>) -> Self

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pub fn fenced_by_peer(message: impl Into<String>) -> Self

A successor writer claimed a higher epoch; this writer lost ownership.

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pub fn writer_poisoned(message: impl Into<String>) -> Self

Our WAL persistence failed; in-memory state may have diverged from the durable WAL, so the writer must be reopened to replay.

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pub fn fence_reason(&self) -> Option<FenceReason>

The FenceReason if this is Error::Fenced, else None. Prefer this over matching the error message to decide how to react to a fence.

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pub fn io_source(source: Box<dyn Error + Send + Sync + 'static>) -> Self

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pub fn dataset_already_exists(uri: impl Into<String>) -> Self

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pub fn dataset_not_found( path: impl Into<String>, source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn version_conflict( message: impl Into<String>, major_version: u16, minor_version: u16, ) -> Self

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pub fn not_found(uri: impl Into<String>) -> Self

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pub fn is_not_found(&self) -> bool

Return whether this error or one of its typed sources is a missing object.

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pub fn wrapped(error: Box<dyn Error + Send + Sync + 'static>) -> Self

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pub fn schema(message: impl Into<String>) -> Self

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pub fn not_supported(message: impl Into<String>) -> Self

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pub fn not_supported_source( source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn internal(message: impl Into<String>) -> Self

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pub fn timeout(message: impl Into<String>) -> Self

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pub fn namespace(message: impl Into<String>) -> Self

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pub fn namespace_source(source: Box<dyn Error + Send + Sync + 'static>) -> Self

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pub fn arrow(message: impl Into<String>) -> Self

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pub fn execution(message: impl Into<String>) -> Self

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pub fn cloned(message: impl Into<String>) -> Self

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pub fn schema_mismatch(difference: impl Into<String>) -> Self

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pub fn unprocessable(message: impl Into<String>) -> Self

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pub fn too_much_write_contention(message: impl Into<String>) -> Self

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pub fn prerequisite_failed(message: impl Into<String>) -> Self

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pub fn index(message: impl Into<String>) -> Self

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pub fn index_not_found(identity: impl Into<String>) -> Self

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pub fn commit_conflict_source( version: u64, source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn retryable_commit_conflict_source( version: u64, source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn incompatible_transaction_source( source: Box<dyn Error + Send + Sync + 'static>, ) -> Self

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pub fn disk_cap_exceeded(cap_bytes: u64, used_bytes: u64) -> Self

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pub fn external(source: Box<dyn Error + Send + Sync + 'static>) -> Self

Create an External error from a boxed error source.

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pub fn field_not_found( field_name: impl Into<String>, candidates: Vec<String>, ) -> Self

Create a FieldNotFound error with the given field name and available candidates.

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pub fn external_source(&self) -> Option<&Box<dyn Error + Send + Sync + 'static>>

Returns a reference to the external error source if this is an External variant.

This allows downcasting to recover the original error type.

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pub fn into_external( self, ) -> Result<Box<dyn Error + Send + Sync + 'static>, Self>

Consumes the error and returns the external source if this is an External variant.

Returns Err(self) if this is not an External variant, allowing for chained handling.

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, __snafu_display_formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Error for Error
where Self: Debug + Display,

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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()

Read more
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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 ErrorCompat for Error

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fn backtrace(&self) -> Option<&Backtrace>

Returns a Backtrace that may be printed.
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fn iter_chain(&self) -> ChainCompat<'_, '_>
where Self: AsErrorSource,

Returns an iterator for traversing the chain of errors, starting with the current error and continuing with recursive calls to Error::source. Read more
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impl From<&ArrowError> for Error

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fn from(e: &ArrowError) -> Self

Converts to this type from the input type.
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impl From<ArrowError> for Error

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fn from(e: ArrowError) -> Self

Converts to this type from the input type.
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impl From<Box<dyn Error + Sync + Send>> for Error
where Box<dyn Error + Send + Sync + 'static>: Into<Box<dyn Error + Send + Sync + 'static>>,

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fn from(error: Box<dyn Error + Send + Sync + 'static>) -> Self

Converts to this type from the input type.
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impl From<DecodeError> for Error

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fn from(e: DecodeError) -> Self

Converts to this type from the input type.
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impl From<EncodeError> for Error

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fn from(e: EncodeError) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(e: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for ArrowError

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fn from(value: Error) -> Self

Converts to this type from the input type.
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impl From<Error> for Error

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fn from(err: Error) -> Self

Converts to this type from the input type.
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impl From<FieldNotFoundError> for Error
where FieldNotFoundError: Into<FieldNotFoundError>,

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fn from(error: FieldNotFoundError) -> Self

Converts to this type from the input type.
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impl From<JoinError> for Error

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fn from(e: JoinError) -> Self

Converts to this type from the input type.
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impl From<ParseError> for Error

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fn from(e: ParseError) -> Self

Converts to this type from the input type.
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impl From<UnknownEnumValue> for Error

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fn from(e: UnknownEnumValue) -> Self

Converts to this type from the input type.
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impl IntoError<Error> for InvalidInputSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for DatasetAlreadyExistsSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for SchemaMismatchSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for DatasetNotFoundSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for CorruptFileSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<Path>,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for NotSupportedSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for CommitConflictSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<u64>,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for IncompatibleTransactionSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for RetryableCommitConflictSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<u64>,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for TooMuchWriteContentionSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for TimeoutSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for InternalSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for PrerequisiteFailedSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for UnprocessableSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for ArrowSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for SchemaSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for NotFoundSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for IOSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for IndexSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for IndexNotFoundSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for InvalidTableLocationSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for StopSnafu
where Error: Error + ErrorCompat,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for WrappedSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for ClonedSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for ExecutionSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for InvalidRefSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for RefConflictSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for RefNotFoundSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for CleanupSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0> IntoError<Error> for VersionNotFoundSnafu<__T0>
where Error: Error + ErrorCompat, __T0: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0, __T1, __T2> IntoError<Error> for VersionConflictSnafu<__T0, __T1, __T2>
where Error: Error + ErrorCompat, __T0: Into<String>, __T1: Into<u16>, __T2: Into<u16>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl IntoError<Error> for NamespaceSnafu
where Error: Error + ErrorCompat,

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type Source = Box<dyn Error + Sync + Send>

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0, __T1> IntoError<Error> for DiskCapExceededSnafu<__T0, __T1>
where Error: Error + ErrorCompat, __T0: Into<u64>, __T1: Into<u64>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error
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impl<__T0, __T1> IntoError<Error> for FencedSnafu<__T0, __T1>
where Error: Error + ErrorCompat, __T0: Into<FenceReason>, __T1: Into<String>,

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type Source = NoneError

The underlying error
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fn into_error(self, error: Self::Source) -> Error

Combine the information to produce the error

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> AsErrorSource for T
where T: Error + 'static,

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fn as_error_source(&self) -> &(dyn Error + 'static)

For maximum effectiveness, this needs to be called as a method to benefit from Rust’s automatic dereferencing of method receivers.
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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more