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ClusterSubscriptionError

laminar_db::subscription

Enum ClusterSubscriptionError 

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pub enum ClusterSubscriptionError {

Show 18 variants    UnsupportedPlan {
        reason: String,
    },
    GenerationMismatch,
    EpochNotCommitted {
        requested: u64,
    },
    ReplayPruned {
        requested: u64,
    },
    ManifestCorrupt {
        reason: String,
    },
    SegmentMissing {
        partition: OutputPartitionId,
        first: PartitionSequence,
    },
    SegmentCorrupt {
        partition: OutputPartitionId,
        first: PartitionSequence,
    },
    SchemaMismatch,
    PartitionSequenceGap {
        partition: OutputPartitionId,
        expected: PartitionSequence,
        actual: PartitionSequence,
    },
    ConflictingDuplicateSequence,
    StaleOutputWriter,
    AssignmentChanged,
    BackendUnavailable,
    SubscriberLagged,
    ResumeTokenInvalid,
    ResumeTokenExpired,
    RetentionLost,
    ProtocolVersion {
        actual: u16,
    },

}
Expand description

Structured terminal or admission error for a cluster subscription.

Variants§

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UnsupportedPlan

The final operator has no stable recoverable output distribution.

Fields

§reason: String

Planner-owned rejection reason.

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GenerationMismatch

History or a cursor belongs to a different stream incarnation.

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EpochNotCommitted

The requested epoch has not committed.

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§requested: u64

Requested checkpoint epoch.

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ReplayPruned

The requested epoch is older than retained history.

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§requested: u64

Requested checkpoint epoch.

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ManifestCorrupt

Authoritative committed metadata is malformed.

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§reason: String

Bounded validation detail.

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SegmentMissing

A segment referenced by committed authority is unavailable.

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§partition: OutputPartitionId

Affected output partition.

§first: PartitionSequence

First missing sequence.

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SegmentCorrupt

A referenced segment failed metadata, length, or digest validation.

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§partition: OutputPartitionId

Affected output partition.

§first: PartitionSequence

First corrupt sequence.

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SchemaMismatch

User schema differs from the certified output schema.

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PartitionSequenceGap

A committed partition range is discontinuous.

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§partition: OutputPartitionId

Affected output partition.

§expected: PartitionSequence

Required next sequence.

§actual: PartitionSequence

Observed sequence.

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ConflictingDuplicateSequence

The same frame identity names different content.

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StaleOutputWriter

Writer authority no longer covers the target vnode.

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AssignmentChanged

Assignment changed while an operation was being fenced.

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BackendUnavailable

Shared storage or committed-index authority cannot currently be reached.

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SubscriberLagged

Bounded connection buffers could not preserve every frame.

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ResumeTokenInvalid

Token is malformed, tampered with, or bound to another stream.

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ResumeTokenExpired

Token is valid but outside its accepted lifetime.

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RetentionLost

Required history disappeared after it was admitted for replay.

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ProtocolVersion

Decoded envelope uses an unsupported version.

Fields

§actual: u16

Decoded protocol value.

Implementations§

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impl ClusterSubscriptionError

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pub const fn code(&self) -> &'static str

Stable LaminarDB error code.

Trait Implementations§

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impl Clone for ClusterSubscriptionError

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fn clone(&self) -> ClusterSubscriptionError

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ClusterSubscriptionError

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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 ClusterSubscriptionError

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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 Eq for ClusterSubscriptionError

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impl Error for ClusterSubscriptionError

1.30.0 · Source§

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 From<ClusterSubscriptionError> for DbError

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fn from(source: ClusterSubscriptionError) -> Self

Converts to this type from the input type.
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impl PartialEq for ClusterSubscriptionError

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fn eq(&self, other: &ClusterSubscriptionError) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for ClusterSubscriptionError

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