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NamespaceError

lance_namespace::error

Enum NamespaceError 

Source 
pub enum NamespaceError {

Show 24 variants    Unsupported {
        message: String,
    },
    NamespaceNotFound {
        message: String,
    },
    NamespaceAlreadyExists {
        message: String,
    },
    NamespaceNotEmpty {
        message: String,
    },
    TableNotFound {
        message: String,
    },
    TableAlreadyExists {
        message: String,
    },
    TableIndexNotFound {
        message: String,
    },
    TableIndexAlreadyExists {
        message: String,
    },
    TableTagNotFound {
        message: String,
    },
    TableTagAlreadyExists {
        message: String,
    },
    TransactionNotFound {
        message: String,
    },
    TableVersionNotFound {
        message: String,
    },
    TableColumnNotFound {
        message: String,
    },
    InvalidInput {
        message: String,
    },
    ConcurrentModification {
        message: String,
    },
    PermissionDenied {
        message: String,
    },
    Unauthenticated {
        message: String,
    },
    ServiceUnavailable {
        message: String,
    },
    Internal {
        message: String,
    },
    InvalidTableState {
        message: String,
    },
    TableSchemaValidationError {
        message: String,
    },
    Throttling {
        message: String,
    },
    TableBranchNotFound {
        message: String,
    },
    TableBranchAlreadyExists {
        message: String,
    },

}
Expand description

Lance Namespace error type.

This enum provides fine-grained error types for Lance Namespace operations. Each variant corresponds to a specific error condition and has an associated ErrorCode accessible via the code() method.

§Converting to lance_core::Error

NamespaceError implements Into<lance_core::Error>, preserving the original error so it can be downcast later:

ⓘ
let ns_err = NamespaceError::TableNotFound { message: "...".into() };
let lance_err: lance_core::Error = ns_err.into();

// Later, extract the original error:
if let lance_core::Error::Namespace { source, .. } = &lance_err {
    if let Some(ns_err) = source.downcast_ref::<NamespaceError>() {
        println!("Error code: {:?}", ns_err.code());
    }
}

Variants§

§

Unsupported

Operation not supported by this backend.

Fields

§message: String
§

NamespaceNotFound

The specified namespace does not exist.

Fields

§message: String
§

NamespaceAlreadyExists

A namespace with this name already exists.

Fields

§message: String
§

NamespaceNotEmpty

Namespace contains tables or child namespaces.

Fields

§message: String
§

TableNotFound

The specified table does not exist.

Fields

§message: String
§

TableAlreadyExists

A table with this name already exists.

Fields

§message: String
§

TableIndexNotFound

The specified table index does not exist.

Fields

§message: String
§

TableIndexAlreadyExists

A table index with this name already exists.

Fields

§message: String
§

TableTagNotFound

The specified table tag does not exist.

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§message: String
§

TableTagAlreadyExists

A table tag with this name already exists.

Fields

§message: String
§

TransactionNotFound

The specified transaction does not exist.

Fields

§message: String
§

TableVersionNotFound

The specified table version does not exist.

Fields

§message: String
§

TableColumnNotFound

The specified table column does not exist.

Fields

§message: String
§

InvalidInput

Malformed request or invalid parameters.

Fields

§message: String
§

ConcurrentModification

Optimistic concurrency conflict.

Fields

§message: String
§

PermissionDenied

User lacks permission for this operation.

Fields

§message: String
§

Unauthenticated

Authentication credentials are missing or invalid.

Fields

§message: String
§

ServiceUnavailable

Service is temporarily unavailable.

Fields

§message: String
§

Internal

Unexpected internal error.

Fields

§message: String
§

InvalidTableState

Table is in an invalid state for the operation.

Fields

§message: String
§

TableSchemaValidationError

Table schema validation failed.

Fields

§message: String
§

Throttling

Request was throttled due to rate limiting or too many concurrent operations.

Fields

§message: String
§

TableBranchNotFound

The specified table branch does not exist.

Fields

§message: String
§

TableBranchAlreadyExists

A table branch with this name already exists.

Fields

§message: String

Implementations§

Source§

impl NamespaceError

Source

pub fn message(&self) -> &str

Returns the inner message without the Display prefix.

Useful when serializing across boundaries (e.g. REST) where the receiver will reconstruct the variant from the error code and re-apply its own Display formatting.

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pub fn code(&self) -> ErrorCode

Returns the error code for this error.

Use this for programmatic error handling across language boundaries.

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pub fn from_code(code: u32, message: impl Into<String>) -> Self

Creates a NamespaceError from an error code and message.

This is useful when receiving errors from REST API or other language bindings.

Trait Implementations§

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impl Debug for NamespaceError

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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 NamespaceError

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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 NamespaceError
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
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

Read more
1.0.0 · Source§

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 NamespaceError

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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<NamespaceError> for Error

Converts a NamespaceError into a lance_core::Error.

The original NamespaceError is preserved in the source field and can be extracted via downcasting for programmatic error handling.

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fn from(err: NamespaceError) -> Self

Converts to this type from the input type.
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impl<__T0> IntoError<NamespaceError> for UnsupportedSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for NamespaceNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for NamespaceAlreadyExistsSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for NamespaceNotEmptySnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableAlreadyExistsSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableIndexNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableIndexAlreadyExistsSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableTagNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableTagAlreadyExistsSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TransactionNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableVersionNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableColumnNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for InvalidInputSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for ConcurrentModificationSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for PermissionDeniedSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for UnauthenticatedSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for ServiceUnavailableSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for InternalSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for InvalidTableStateSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableSchemaValidationSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for ThrottlingSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableBranchNotFoundSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error
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impl<__T0> IntoError<NamespaceError> for TableBranchAlreadyExistsSnafu<__T0>
where NamespaceError: 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) -> NamespaceError

Combine the information to produce the error

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