[MDEV-21093] MIN/MAX Subquery is not reflected in the optimizer trace Created: 2019-11-20  Updated: 2021-03-19

Status: Open
Project: MariaDB Server
Component/s: Optimizer
Affects Version/s: 10.4
Fix Version/s: 10.4

Type: Bug Priority: Major
Reporter: Oleksandr Byelkin Assignee: Sergei Petrunia
Resolution: Unresolved Votes: 0
Labels: optimizer_trace


 Description    

CREATE TABLE t1 (a int(11), b varchar(1));
 
INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g');
 
 
 
set optimizer_trace=1;
 
SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b );
 
select * from information_schema.optimizer_trace;
 
drop table t1;


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