Method validateVersion

fdbclient/NativeAPI.actor.cpp:456–469

}

void DatabaseContext::validateVersion(Version version) const {
	// Version could be 0 if the INITIALIZE_NEW_DATABASE option is set. In that case, it is illegal to perform any
	// reads. We throw client_invalid_operation because the caller didn't directly set the version, so the
	// version_invalid error might be confusing.
	if (version == 0) {
		throw client_invalid_operation();
	}
	if (switchable && version < minAcceptableReadVersion) {
		CODE_PROBE(true, "Attempted to read a version lower than any this client has seen from the current cluster");
		throw transaction_too_old();
	}

	ASSERT(version > 0 || version == latestVersion);
}

void validateOptionValuePresent(Optional<StringRef> value) {
	if (!value.present()) {