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

2 files changed, 136 insertions, 0 deletions

diff --git a/mysql-test/suite/compat/oracle/r/parser.result b/mysql-test/suite/compat/oracle/r/parser.result
index 7540763696f..1c60c1434a3 100644
--- a/mysql-test/suite/compat/oracle/r/parser.result
+++ b/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
+#
diff --git a/mysql-test/suite/compat/oracle/t/parser.test b/mysql-test/suite/compat/oracle/t/parser.test
index dabd7956c44..067fd9beb48 100644
--- a/mysql-test/suite/compat/oracle/t/parser.test
+++ b/mysql-test/suite/compat/oracle/t/parser.test
@@ -339,3 +339,76 @@ END;
 /
 DELIMITER ;/
 
+
+--echo #
+--echo # MDEV-17693 Shift/reduce conflicts for NAMES,ROLE,PASSWORD in the option_value_no_option_type grammar
+--echo #
+
+CREATE TABLE names (names INT);
+SELECT names FROM names AS names;
+DROP TABLE names;
+
+CREATE TABLE password (password INT);
+SELECT password FROM password AS password;
+DROP TABLE password;
+
+CREATE TABLE role (role INT);
+SELECT role FROM role AS role;
+DROP TABLE role;
+
+DELIMITER $$;
+DECLARE
+  names    VARCHAR(32) DEFAULT '[names]';
+  password VARCHAR(32) DEFAULT '[password]';
+  role     VARCHAR(32) DEFAULT '[role]';
+BEGIN
+<<names>>
+   SELECT names;
+<<password>>
+   SELECT password;
+<<role>>
+  SELECT role;
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+--error ER_SP_BAD_VAR_SHADOW
+DECLARE
+  names VARCHAR(32);
+BEGIN
+  SET names='[names]';
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+--error ER_SP_BAD_VAR_SHADOW
+DECLARE
+  password VARCHAR(32);
+BEGIN
+  SET password='[password]';
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+DECLARE
+  role VARCHAR(32);
+BEGIN
+  SET role='[role]';
+END;
+$$
+DELIMITER ;$$
+
+--error ER_UNKNOWN_SYSTEM_VARIABLE
+SELECT @@GLOBAL.names;
+--error ER_UNKNOWN_SYSTEM_VARIABLE
+SELECT @@GLOBAL.password;
+--error ER_UNKNOWN_SYSTEM_VARIABLE
+SELECT @@GLOBAL.role;
+
+
+--echo #
+--echo # End of 10.3 tests
+--echo #