ABORTED indicates the operation was aborted, typically due to a concurrency issue like sequencer check failures, transaction aborts, etc.

ALREADY_EXISTS means an attempt to create an entity failed because one already exists.

CANCELED indicates the operation was cancelled (typically by the caller).

CLUSTER_EVENT indicates that a cluster operation might be in effect.

DATA_LOSS indicates unrecoverable data loss or corruption.

DEADLINE_EXCEEDED means operation expired before completion.

FAILED_PRECONDITION indicates operation was rejected because the system is not in a state required for the operation's execution.

INTERNAL errors.

INVALID_ARGUMENT indicates client specified an invalid argument.

NOT_FOUND means some requested entity (e.g., file or directory) was not found.

OK is returned on success.

OUT_OF_RANGE means operation was attempted past the valid range.

PERMISSION_DENIED indicates the caller does not have permission to execute the specified operation.

Topo server connection is read-only.

RESOURCE_EXHAUSTED indicates some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space.

UNAUTHENTICATED indicates the request does not have valid authentication credentials for the operation.

UNAVAILABLE indicates the service is currently unavailable.

UNIMPLEMENTED indicates operation is not implemented or not supported/enabled in this service.

UNKNOWN error.

Enum value maps for Code.

Enum value maps for Code.

CallerID is passed along RPCs to identify the originating client for a request.

RPCError is an application-level error structure returned by VtTablet (and passed along by VtGate if appropriate).

Code represents canonical error codes.