MDEV-17693 Shift/reduce conflicts for NAMES,ROLE,PASSWORD in the option_value_no_option_type grammar

mysql-test/suite/compat/oracle/r/parser.result

@@ -546,3 +546,66 @@ BEGIN
 NULL;
 END;
 /
+#
+# MDEV-17693 Shift/reduce conflicts for NAMES,ROLE,PASSWORD in the option_value_no_option_type grammar
+#
+CREATE TABLE names (names INT);
+SELECT names FROM names AS names;
+names
+DROP TABLE names;
+CREATE TABLE password (password INT);
+SELECT password FROM password AS password;
+password
+DROP TABLE password;
+CREATE TABLE role (role INT);
+SELECT role FROM role AS role;
+role
+DROP TABLE role;
+DECLARE
+names    VARCHAR(32) DEFAULT '[names]';
+password VARCHAR(32) DEFAULT '[password]';
+role     VARCHAR(32) DEFAULT '[role]';
+BEGIN
+<<names>>
+SELECT names;
+<<password>>
+SELECT password;
+<<role>>
+SELECT role;
+END;
+$$
+names
+[names]
+password
+[password]
+role
+[role]
+DECLARE
+names VARCHAR(32);
+BEGIN
+SET names='[names]';
+END;
+$$
+ERROR 42000: Variable 'names' must be quoted with `...`, or renamed
+DECLARE
+password VARCHAR(32);
+BEGIN
+SET password='[password]';
+END;
+$$
+ERROR 42000: Variable 'password' must be quoted with `...`, or renamed
+DECLARE
+role VARCHAR(32);
+BEGIN
+SET role='[role]';
+END;
+$$
+SELECT @@GLOBAL.names;
+ERROR HY000: Unknown system variable 'names'
+SELECT @@GLOBAL.password;
+ERROR HY000: Unknown system variable 'password'
+SELECT @@GLOBAL.role;
+ERROR HY000: Unknown system variable 'role'
+#
+# End of 10.3 tests
+#