Always use single quotes around OS object names (user or group) in SHOW MAPPING output, see #8253

Author: hvlad

src/isql/show.epp

@@ -5142,7 +5142,7 @@ static void printMap(bool extract, bool global, char* name, char* usng, char* pl
 	isqlGlob.printf("FROM %s", anyObj ? "ANY " : "");
 	printIdent(extract, fromType, "%s ");
 	if (!anyObj)
-		printIdent(extract, from, "%s ");
+		isqlGlob.printf("\'%s\' ", from);
 
 	isqlGlob.printf("TO %s ", toType ? "ROLE" : "USER");
 	if (to)