[MDEV-28432] Subquery Items have wrong used_tables() after update_used_tables() Created: 2022-04-28  Updated: 2023-04-27

Status: Open
Project: MariaDB Server
Component/s: Optimizer
Affects Version/s: None
Fix Version/s: 10.4, 10.5, 10.6

Type: Bug Priority: Major
Reporter: Sergei Petrunia Assignee: Sergei Petrunia
Resolution: Unresolved Votes: 0
Labels: None

Issue Links:
Relates
relates to MDEV-28268 Server crashes in Expression_cache_tr... Closed

 Description   

This is a followup to MDEV-28268.

As shown in the comments to that MDEV, a subquery item may have incorrect used_tables() after update_used_tables() was called.

This needs to be fixed.


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