select 1+2/*hello*/+3;
1+2/*hello*/+3
6
select 1 /* long
multi line comment */;
1
1
;
ERROR 42000: Query was empty
select 1 /*!32301 +1 */;
1  +1
2
select 1 /*!952301 +1 */;
1
1
select 1--1;
1--1
2
select 1 --2
+1;
1 --2
+1
4
select 1 # The rest of the row will be ignored
;
1
1
/* line with only comment */;
select 1 /*M! +1 */;
1  +1
2
select 1 /*M!50000 +1 */;
1  +1
2
select 1 /*M!50300 +1 */;
1  +1
2
select 2 /*M!99999 +1 */;
2  +1
3
select 2 /*M!100000 +1 */;
2  +1
3
select 2 /*M!999999 +1 */;
2
2
select 2 /*M!0000 +1 */;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '0000 +1 */' at line 1
#
# Testing that MySQL versions >= 5.7.x and < 10.0.0 are ignored (MDEV-5009)
#
SELECT 1 /*!50699 +1*/;
1  +1
2
SELECT 1 /*!50700 +1*/;
1
1
SELECT 1 /*!50999 +1*/;
1
1
SELECT 1 /*!99999 +1*/;
1
1
SELECT 1 /*!100000 +1*/;
1  +1
2
SELECT 1 /*!210000 +1*/;
1
1
SELECT 1 /*!190000 +1*/;
1
1
#
# Tesing that versions >= 5.7.x and < 10.0.0 are not ignored 
# when used with the MariaDB executable comment syntax.
#
SELECT 1 /*M!50699 +1*/;
1  +1
2
SELECT 1 /*M!50700 +1*/;
1  +1
2
SELECT 1 /*M!50999 +1*/;
1  +1
2
SELECT 1 /*M!99999 +1*/;
1  +1
2
SELECT 1 /*M!100000 +1*/;
1  +1
2
SELECT 1 /*M!210000 +1*/;
1
1
SELECT 1 /*M!190000 +1*/;
1
1
select 1/*!2*/;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2*/' at line 1
select 1/*!0000002*/;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2*/' at line 1
select 1/*!999992*/;
1
1
select 1 + /*!00000 2 */ + 3 /*!999999 noise*/ + 4;
1 +  2  + 3  + 4
10
drop table if exists table_28779;
create table table_28779 (a int);
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*' AND b = 'bar';";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '/*' AND b = 'bar'' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*' AND b = 'bar';*";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '/*' AND b = 'bar';*' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*! AND 2=2;";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*! AND 2=2;*";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '*' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*!998765' AND b = 'bar';";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '/*!998765' AND b = 'bar'' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*!998765' AND b = 'bar';*";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '/*!998765' AND b = 'bar';*' at line 1
drop table table_28779;