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MDEV-8328 Evaluation of two "!" operators depends on space in beetween

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fix the lexer to backtrack when parsing
"<=", "<>", "!=", ">=", "<<", ">>", "<=>".
This commit is contained in:
Sergei Golubchik
2016-06-14 13:18:05 +02:00
parent c3c272cca4
commit c73b987e73
7 changed files with 87 additions and 58 deletions
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20
mysql-test/r/parser.result
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@ -643,3 +643,23 @@ CREATE TRIGGER trigger1 BEFORE INSERT ON t1 FOR EACH ROW
SET default_storage_engine = NEW.INNODB;
ERROR 42S22: Unknown column 'INNODB' in 'NEW'
DROP TABLE t1;
select 0==0;
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 '=0' at line 1
select 1=!0, 1 = ! 0;
1=!0 1 = ! 0
1 1
select !!0, ! ! 0;
!!0 ! ! 0
0 0
select 2>!0, 2 > ! 0;
2>!0 2 > ! 0
1 1
select 0<=!0, 0 <= !0;
0<=!0 0 <= !0
1 1
select 1<<!0, 1 << !0;
1<<!0 1 << !0
2 2
select 0<!0, 0 < ! 0;
0<!0 0 < ! 0
1 1