--- a/src/Configuration.h	Sat May 23 23:58:50 2020 +0200
+++ b/src/Configuration.h	Mon May 25 19:36:06 2020 +0200
@@ -121,6 +121,8 @@
 	std::wistream* sqlAfterRelational = nullptr;
 
 	std::vector<CopyRelations> copyRelations;
+	
+	relpipe::writer::boolean_t listDataSources = false;
 
 	virtual ~Configuration() {
 	}