postgres

var (
	// ErrInvalidAuditRequest reports an unscoped or unbounded audit operation.
	ErrInvalidAuditRequest = errors.New("postgres: invalid audit request")
	// ErrAuditAnchorNotFound reports a tenant without initialized audit state.
	ErrAuditAnchorNotFound = errors.New("postgres: audit anchor not found")
	// ErrInvalidAuditState reports malformed persisted audit metadata.
	ErrInvalidAuditState = errors.New("postgres: invalid audit state")
)

var (
	// ErrInvalidCommandRequest reports an unbounded command lookup scope.
	ErrInvalidCommandRequest = errors.New("postgres: invalid command request")
	// ErrInvalidCommandState reports a malformed persisted command result.
	ErrInvalidCommandState = errors.New("postgres: invalid command state")
	// ErrInvalidCommandRetentionRequest reports an unsafe cleanup scope.
	ErrInvalidCommandRetentionRequest = errors.New("postgres: invalid command retention request")
	// ErrInvalidCommandRetentionState reports an impossible deletion count.
	ErrInvalidCommandRetentionState = errors.New("postgres: invalid command retention state")
)

var (
	// ErrNilQueryer reports a missing PostgreSQL read boundary.
	ErrNilQueryer = errors.New("postgres: queryer is nil")
	// ErrInvalidDesiredLookup reports an unscoped or unsupported target.
	ErrInvalidDesiredLookup = errors.New("postgres: invalid desired-state lookup")
	// ErrDesiredStateNotFound reports a target without durable desired state.
	ErrDesiredStateNotFound = errors.New("postgres: desired state not found")
)

var (
	// ErrNilBeginner reports a missing PostgreSQL transaction source.
	ErrNilBeginner = errors.New("postgres: transaction beginner is nil")
	// ErrIdempotencyConflict reports reuse of a key for another command.
	ErrIdempotencyConflict = errors.New("postgres: idempotency key conflicts with stored command")
	// ErrCompletionConflict reports an attempt to replace a terminal result.
	ErrCompletionConflict = errors.New("postgres: terminal command result conflicts with stored result")
	// ErrCommandNotFound reports completion of an unknown tenant-scoped key.
	ErrCommandNotFound = errors.New("postgres: command not found")
	// ErrAuditSequenceExhausted reports an audit chain beyond bigint capacity.
	ErrAuditSequenceExhausted = errors.New("postgres: audit sequence exhausted")
	// ErrAuditHashInvalid reports malformed persisted audit-chain state.
	ErrAuditHashInvalid = errors.New("postgres: invalid audit hash")
	// ErrDesiredStateConflict reports a concurrent desired-state replacement.
	ErrDesiredStateConflict = errors.New("postgres: desired state update conflict")
)

var ErrInvalidMigrationDatabase = errors.New("postgres: migration database is nil")

var ErrInvalidRuntimePool = errors.New("postgres: invalid runtime pool")

var ErrResultNotTerminal = errors.New("postgres: command result is not terminal")