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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 /*!999999 +1 */;
1
1
Warnings:
Warning 4164 Immediately starting the version comment after the version number is deprecated and may change behavior in a future release. Please insert a white-space character after the version number.
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/*!2*/;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '2*/' at line 1
select 1/*!000002*/;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '2*/' at line 1
select 1/*!999992*/;
1
1
Warnings:
Warning 4164 Immediately starting the version comment after the version number is deprecated and may change behavior in a future release. Please insert a white-space character after the version number.
select 1 + /*!00000 2 */ + 3 /*!99999 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 MySQL 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 MySQL 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 MySQL 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 MySQL 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/*!98765' AND b = 'bar';";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '/*!98765' AND b = 'bar'' at line 1
prepare bar from "DELETE FROM table_28779 WHERE a = 7 OR 1=1/*!98765' AND b = 'bar';*";
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '/*!98765' AND b = 'bar';*' at line 1
drop table table_28779;
#
# WL#12099: Deprecate nested comments in 8.0
#
SELECT 1 /*!99999 /* */ */;
1
1
Warnings:
Warning 1681 Nested comment syntax is deprecated and will be removed in a future release.
SELECT 2 /*!12345 /* */ */;
2
2
Warnings:
Warning 1681 Nested comment syntax is deprecated and will be removed in a future release.
SELECT 3 /*! /* */ */;
3
3
Warnings:
Warning 1681 Nested comment syntax is deprecated and will be removed in a future release.
#
# Deprecation warning if the version number is not immediately followed
# by a white-space character.
#
# No whitespace. Should raise warning.
DO 1 /*!80034+1*/;
Warnings:
Warning 4164 Immediately starting the version comment after the version number is deprecated and may change behavior in a future release. Please insert a white-space character after the version number.
# Horizontal tab (0x09). Should pass without warning.
DO 1 /*!80034 +1*/;
# Line feed (0x0a). Should pass without warning.
DO 1 /*!80034
+1*/;
# Vertical tab (0x0b). Should pass without warning.
DO 1 /*!80034 +1*/;
# Form feed (0x0c). Should pass without warning.
DO 1 /*!80034 +1*/;
# Carriage return (0x0d). Should pass without warning.
DO 1 /*!80034
+1*/;
# Space (0x20). Should pass without warning.
DO 1 /*!80034 +1*/;
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