diff -r d5e80f15d1f7 -r 6ee7a9e311e9 src/Configuration.h
--- a/src/Configuration.h	Tue May 07 01:03:21 2019 +0200
+++ b/src/Configuration.h	Sun May 26 19:46:47 2019 +0200
@@ -50,6 +50,11 @@
 	relpipe::writer::string_t guileForEach;
 	relpipe::writer::string_t guileWhere;
 	relpipe::writer::string_t guileHasMoreRecords;
+	
+	/**
+	 * If true, additional relation will be generated: mapping between relpipe attribute names and Guile variable names
+	 */
+	bool debugVariableMapping = false;
 
 	/**
 	 * If true, Guile code will be executed, but no output will be generated.