diff -r d3bfbce022aa -r 884ece10575d src/CLIParser.h
--- a/src/CLIParser.h	Fri Dec 13 22:19:41 2019 +0100
+++ b/src/CLIParser.h	Sat Dec 14 14:00:36 2019 +0100
@@ -48,6 +48,7 @@
 public:
 
 	static const string_t OPTION_RELATION;
+	static const string_t OPTION_TYPE_CAST;
 	static const string_t OPTION_PARAMETER;
 	static const string_t OPTION_COPY;
 	static const string_t OPTION_COPY_RENAMED;
@@ -65,6 +66,11 @@
 				addQuery(c, currentQuery); // previous relation
 				currentQuery.relation = readNext(arguments, i);
 				currentQuery.sql = readNext(arguments, i);
+			} else if (option == OPTION_TYPE_CAST) {
+				TypeCast typeCast;
+				typeCast.name = readNext(arguments, i);
+				typeCast.type = readNext(arguments, i);
+				currentQuery.typeCasts.push_back(typeCast);
 			} else if (option == OPTION_PARAMETER) {
 				Parameter parameter;
 				parameter.value = readNext(arguments, i);
@@ -97,6 +103,7 @@
 // TODO: --type string/integer/boolean (default is string)
 
 const string_t CLIParser::OPTION_RELATION = L"--relation";
+const string_t CLIParser::OPTION_TYPE_CAST = L"--type-cast";
 const string_t CLIParser::OPTION_PARAMETER = L"--parameter";
 const string_t CLIParser::OPTION_COPY = L"--copy";
 const string_t CLIParser::OPTION_COPY_RENAMED = L"--copy-renamed";