Module error 

Nautilus protocol errors with stable error codes.

Error code ranges:

• 1000..1999: Schema / Validation errors
• 2000..2999: Query planning / rendering errors
• 3000..3999: Database execution errors
• 9000..9999: Internal engine errors

Standard JSON-RPC errors (negative codes) are reserved for protocol-level issues.

Structs

BatchOperationErrorData

Structured error.data payload emitted when transaction.batch fails.

ProtocolErrorCause

The original error returned by a failed protocol operation.

Enums

ProtocolError

Nautilus protocol error.

Constants

ERR_CHECK_CONSTRAINT

ERR_CONNECTION_FAILED

ERR_CONSTRAINT_VIOLATION

ERR_DATABASE_EXECUTION

ERR_DEADLOCK

ERR_FOREIGN_KEY_CONSTRAINT

ERR_INTERNAL

ERR_INVALID_FIELD

ERR_INVALID_FILTER

ERR_INVALID_METHOD

ERR_INVALID_MODEL

ERR_INVALID_ORDERBY

ERR_INVALID_REQUEST_PARAMS

ERR_NULL_CONSTRAINT

ERR_QUERY_PLANNING

ERR_QUERY_TIMEOUT

ERR_RECORD_NOT_FOUND

ERR_SCHEMA_VALIDATION

ERR_SERIALIZATION_FAILURE

ERR_TRANSACTION_ALREADY_CLOSED

ERR_TRANSACTION_FAILED

ERR_TRANSACTION_NOT_FOUND

ERR_TRANSACTION_TIMEOUT

ERR_TYPE_MISMATCH

ERR_UNIQUE_CONSTRAINT

ERR_UNSUPPORTED_OPERATION

ERR_UNSUPPORTED_PROTOCOL_VERSION

Type Aliases

Result

Result type alias for protocol operations.