[MDEV-39967] FULL JOIN result difference2 - Jira

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Details

Type: Bug
Status: Closed (View Workflow)
Priority: Critical
Resolution: Duplicate
Affects Version/s: None
Fix Version/s: N/A
Component/s: Optimizer
Labels:
None

Bug Category:
Unexpected results
Sprint:
Q3/2026 Server Maintenance

Description

Result Mismatch (2) vs (2) :

MariaDB rows (2):

NULL	26	NULL	NULL	NULL

NULL	26	NULL	NULL	NULL

Postgres rows (2):

5	26	0	5	xx

8	26	0	13	aa

How to repro:

--------------------------
mariadb-setup.txt
mariadb-query5.txt

postgres-setup.txt
postgres-query5.txt

Attachments

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mariadb-query5.txt
2026-06-10 05:17
1 kB
Pavithra Pandith
mariadb-setup.txt
2026-06-10 05:16
134 kB
Pavithra Pandith
postgres-query5.txt
2026-06-10 05:17
1 kB
Pavithra Pandith
postgres-setup.txt
2026-06-10 05:17
134 kB
Pavithra Pandith

Issue Links

is caused by

MDEV-39014 FULL JOIN Algorithm, Phase 2

In Review

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Assignee:: Dave Gosselin

Reporter:: Pavithra Pandith

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 2026-06-10 05:18

Updated:: 2026-06-16 15:35

Resolved:: 2026-06-12 20:28

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