diff -r 19580b27ade2 -r eacacf060755 src/SqlHandler.h
--- a/src/SqlHandler.h	Tue Oct 22 16:05:36 2019 +0200
+++ b/src/SqlHandler.h	Fri Oct 25 12:33:00 2019 +0200
@@ -19,6 +19,7 @@
 #include <memory>
 #include <string>
 #include <sstream>
+#include <regex>
 #include <vector>
 #include <locale>
 #include <codecvt>
@@ -170,6 +171,29 @@
 		}
 	}
 
+	std::vector<string_t> getAllRelations() {
+		std::vector<string_t> relations;
+		std::unique_ptr<PreparedStatement> prepared(connection->prepareStatement("SELECT name FROM sqlite_master WHERE type IN ('table', 'view')"));
+		while (prepared->next()) relations.push_back(convertor.from_bytes(prepared->getString(0)));
+		return relations;
+	}
+
+	void dumpRelations() {
+		std::wregex pattern(configuration.dumpRelations);
+		for (string_t relation : getAllRelations()) {
+			if (regex_match(relation, pattern)) {
+				std::wstringstream select;
+				select << L"SELECT * FROM ";
+				writeIdentifier(select, relation);
+
+				Statement statement;
+				statement.relation = relation;
+				statement.sql = select.str();
+				processStatement(statement);
+			}
+		}
+	}
+
 	relpipe::writer::string_t toSQLType(relpipe::reader::TypeId typeId) {
 		if (typeId == relpipe::reader::TypeId::BOOLEAN) return L"integer"; // TODO: map selected values back to booleans or allow optional storage as string 
 		else if (typeId == relpipe::reader::TypeId::INTEGER) return L"integer";
@@ -279,6 +303,9 @@
 		// run the transformation – process all statements:
 		for (const Statement& statement : configuration.statements) processStatement(statement);
 
+		// pass-through some relations:
+		if (configuration.dumpRelations.size()) dumpRelations();
+
 		// delete or keep the file:
 		if (configuration.file.size()) {
 			if (configuration.keepFile == KeepFile::Never || (configuration.keepFile == KeepFile::Automatic && !fileAlreadyExisted)) {