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when printing Item_in_optimizer, use precedence of wrapped Item

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when Item::print() is called with the QT_PARSABLE flag, WHERE i NOT IN
(SELECT ...) gets printed as WHERE !i IN (SELECT ...) instead of WHERE
!(i in (SELECT ...)) because Item_in_optimizer returns DEFAULT_PRECEDENCE.
it should return the precedence of the inner operation.
This commit is contained in:
Sidney Cammeresi
2020-06-12 10:23:46 -07:00
parent ab9bd6284c
commit 114a843669
5 changed files with 11 additions and 10 deletions
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2
mysql-test/main/cte_recursive.result
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@@ -3093,7 +3093,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 16 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 with recursive destinations(`city`,`legs`) as (/* select#2 */ select `test`.`a`.`arrival` AS `city`,1 AS `legs` from `test`.`flights` `a` where `test`.`a`.`departure` = 'Cairo' union /* select#3 */ select `test`.`b`.`arrival` AS `arrival`,`r`.`legs` + 1 AS `r.legs + 1` from `destinations` `r` join `test`.`flights` `b` where `r`.`city` = `test`.`b`.`departure` and !<in_optimizer>(`test`.`b`.`arrival`,<exists>(/* select#4 */ select `destinations`.`city` from `destinations` where trigcond(`test`.`b`.`arrival` = `destinations`.`city` or `destinations`.`city` is null) having trigcond(`destinations`.`city` is null))))/* select#1 */ select `destinations`.`city` AS `city`,`destinations`.`legs` AS `legs` from `destinations`
Note 1003 with recursive destinations(`city`,`legs`) as (/* select#2 */ select `test`.`a`.`arrival` AS `city`,1 AS `legs` from `test`.`flights` `a` where `test`.`a`.`departure` = 'Cairo' union /* select#3 */ select `test`.`b`.`arrival` AS `arrival`,`r`.`legs` + 1 AS `r.legs + 1` from `destinations` `r` join `test`.`flights` `b` where `r`.`city` = `test`.`b`.`departure` and !(<in_optimizer>(`test`.`b`.`arrival`,<exists>(/* select#4 */ select `destinations`.`city` from `destinations` where trigcond(`test`.`b`.`arrival` = `destinations`.`city` or `destinations`.`city` is null) having trigcond(`destinations`.`city` is null)))))/* select#1 */ select `destinations`.`city` AS `city`,`destinations`.`legs` AS `legs` from `destinations`
set standard_compliant_cte=default;
drop table flights;
#