Remove unnecessary group_by clause in event logs query

[xiaohuanlin]

The group_by(Log.id) clause was redundant since Log.id is the primary key and doesn't affect the query results. This simplifies the query without changing functionality.

Fixes #53695

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[pierrejeambrun]

I can't reproduce the linked issue locally, but that group_by sure look suspicious, any specific setup to be able to reproduce the 500 error ? I tried on mysql, postgres and sqllite, without succeeding.

[jason810496]

Nice! Thanks for the PR and LGTM.

It would be nice to providing the reproduce step for the error.

[potiuk]

Yeah. Unit tests would be great.

[xiaohuanlin]

If you want to reproduce this error in PostgreSQL, you'll need to use a version older than 9.1, since PostgreSQL 9.1 and later versions allow non-aggregated columns in SELECT if they are functionally dependent on the GROUP BY columns.

https://www.postgresql.org/message-id/20100807024409.35E3A7541D7@cvs.postgresql.org

[potiuk]

So why do we need this change at all ?

[xiaohuanlin]

I removed the GROUP BY clause because it’s not needed—there’s no aggregation in the query.
Keeping an unnecessary GROUP BY can slow down performance, especially when querying large event logs. Databases like PostgreSQL may still perform sorting or hashing even if the results don’t change.

[pierrejeambrun]

That should be removed indeed, also the reported of the issues mentioned that he was using postgres 15.12.

[boring-cyborg]

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[github-actions]

Backport successfully created: v3-0-test

Status	Branch	Result
✅	v3-0-test