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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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12
mysql-test/t/parser.test
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@@ -758,3 +758,15 @@ CREATE TABLE t1 (s VARCHAR(100));
CREATE TRIGGER trigger1 BEFORE INSERT ON t1 FOR EACH ROW
SET default_storage_engine = NEW.INNODB;
DROP TABLE t1;
#
# MDEV-8328 Evaluation of two "!" operators depends on space in beetween
#
--error ER_PARSE_ERROR
select 0==0;
select 1=!0, 1 = ! 0;
select !!0, ! ! 0;
select 2>!0, 2 > ! 0;
select 0<=!0, 0 <= !0;
select 1<<!0, 1 << !0;
select 0<!0, 0 < ! 0;