errors

package
v1.0.44 Latest Latest
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 Go to latest Published: May 2, 2026 License: MIT Imports: 2 Imported by: 0

Documentation

Overview

Package errors centralizes public error codes and classification helpers.

Keeping protocol-facing error strings in one package gives NornicDB a single place to manage retryability, wire-code mapping, and future localization.

Index

Constants

View Source 
const (
	// TransientDeadlockDetected is the retryable wire error code for lock deadlocks.
	TransientDeadlockDetected = "Neo.TransientError.Transaction.DeadlockDetected"
	// TransientOutdated is the retryable wire error code for stale MVCC snapshots.
	TransientOutdated = "Neo.TransientError.Transaction.Outdated"
)

Variables

View Source 
var (
	// ErrTransactionConflict aliases the storage conflict sentinel used when an
	// optimistic transaction observes data changed after its snapshot.
	ErrTransactionConflict = storage.ErrConflict
	// ErrMVCCResourcePressure aliases the storage admission sentinel used when a
	// snapshot cannot be kept alive under current MVCC pressure.
	ErrMVCCResourcePressure = storage.ErrMVCCResourcePressure
	// ErrMVCCSnapshotGracefulCancel aliases the storage sentinel for snapshots
	// cancelled during high MVCC pressure.
	ErrMVCCSnapshotGracefulCancel = storage.ErrMVCCSnapshotGracefulCancel
	// ErrMVCCSnapshotHardExpired aliases the storage sentinel for snapshots
	// forcibly expired during critical MVCC pressure.
	ErrMVCCSnapshotHardExpired = storage.ErrMVCCSnapshotHardExpired
	// ErrTransactionDeadlock marks lock-ordering deadlocks that drivers should
	// retry as Neo4j-compatible transient transaction failures.
	ErrTransactionDeadlock = stderrors.New("transaction deadlock")
)

Functions

func MapTransientTransactionError 

func MapTransientTransactionError(err error) (string, bool)

MapTransientTransactionError maps known transaction failure sentinels to Neo4j-compatible transient transaction codes. It intentionally classifies by error reference rather than message text so localized or templated messages do not change retry semantics.

Types

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Source Files

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