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MDEV-13673 Bad result in view

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When printing an expression, like a/(b*c), we need to print parentheses,
even though / and * have the same precedence. Basically, we should
always treat the second argument as having one level higher precedence
than it normally is.
This commit is contained in:
Sergei Golubchik
2017-09-15 00:29:56 +02:00
parent 16b1cb6502
commit fb2035a1a3
6 changed files with 15 additions and 4 deletions
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mysql-test/r/select_pkeycache.result
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@ -4784,7 +4784,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 system NULL NULL NULL NULL 1 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 10 100.00 Using where
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,2 AS `b` from `test`.`t1` where `test`.`t1`.`a` = <cache>(2 + 1 + 1)
Note 1003 select `test`.`t1`.`a` AS `a`,2 AS `b` from `test`.`t1` where `test`.`t1`.`a` = <cache>(2 + (1 + 1))
SELECT * FROM t2 LEFT JOIN t1 ON a = b + 1;
b a
2 3