diff -r e7f05d7c4336 -r 6180161335be src/Configuration.h
--- a/src/Configuration.h	Sat Jan 19 21:16:39 2019 +0100
+++ b/src/Configuration.h	Sat Jan 19 21:21:26 2019 +0100
@@ -29,6 +29,7 @@
 
 class Configuration {
 public:
+	string_t relation;
 	std::vector<RequestedField> fields;
 
 	virtual ~Configuration() {