Function IsSQLRetryableError

pkg/sql/pgwire/pgerror/errors.go:182–193

IsSQLRetryableError returns true if err is retryable. This is true for errors that show a connection issue or an issue with the node itself. This can occur when a node is restarting or is unstable in some other way. Note that retryable errors may occur event in cases where the SQL execution ran to c

(err error)

// TODO(knz): This should really use the errors library. Investigate
// how to get rid of the error message comparison.
func IsSQLRetryableError(err error) bool {
	// Don't forget to update the corresponding test when making adjustments
	// here.
	errString := FullError(err)
	matched, merr := regexp.MatchString(
		"(no inbound stream connection|connection reset by peer|connection refused|failed to send RPC|rpc error: code = Unavailable|EOF|result is ambiguous)",
		errString)
	if merr != nil {
		return false
	}
	return matched
}