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[stable32] fix(Database): Use real idle-timer to prevent lastInsertId being reset on MariaDB/MySQL - #62712

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[stable32] fix(Database): Use real idle-timer to prevent lastInsertId being reset on MariaDB/MySQL#62712
backportbot[bot] wants to merge 2 commits into
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backport/62697/stable32

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@backportbotbackportbotBot commented Jul 30, 2026

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Backport of #62697

Warning, This backport's changes differ from the original and might be incomplete ⚠️

Todo

  • Review and resolve any conflicts
  • Review and verify the backported changes
  • Amend HEAD commit to remove the line stating to skip CI

Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

DerDreschnerand others added 2 commits August 6, 2026 12:06
…set on MariaDB/MySQL
The previous implementation of the idle timer runs on a strict 30 second interval and sends a dummy `SELECT` statement to keep the connection open.
This generates issues with the `lastInsertId` on long-running tasks (like our CI pipeline), as the MariaDB documentation clearly states:
> If the last query wasn't an INSERT or UPDATE statement or if the modified table does not have a column with the AUTO_INCREMENT attribute and LAST_INSERT_ID was not used, this function will return zero.
Source: https://mariadb.com/docs/connectors/mariadb-connector-c/api-functions/mysql_insert_id
To mitigate that, this commit now uses a real idle-timer per connection instead.
Assisted-by: ClaudeCode:claude-fable-5
Signed-off-by: David Dreschner <david.dreschner@nextcloud.com>
Signed-off-by: Carl Schwan <carl@carlschwan.eu>
@CarlSchwan
CarlSchwanforce-pushed the backport/62697/stable32 branch from f618ce2 to 0fae90bCompareAugust 6, 2026 10:07
@CarlSchwan
CarlSchwan marked this pull request as ready for review August 6, 2026 10:07
@CarlSchwan
CarlSchwan requested a review from a team as a code ownerAugust 6, 2026 10:07
@CarlSchwan
CarlSchwan requested review from Altahrim, come-nc and salmart-dev and removed request for a teamAugust 6, 2026 10:07
@DerDreschner

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The failing tests are unrelated to my changes.

@DerDreschnerDerDreschner added 4. to release Ready to be released and/or waiting for tests to finish and removed 3. to review Waiting for reviews labels Aug 9, 2026
@nextcloud-botnextcloud-bot mentioned this pull request Aug 10, 2026
@nextcloud-botnextcloud-bot mentioned this pull request Aug 12, 2026
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@DerDreschner@CarlSchwan