Hi,

on my system using mysql I had the same error.

Comment 34 for Bug 31086 https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31086#c34 helps.

It seems that KOHA with mariadb is better tested than KOHA with mysql.

Is there a way to exchange the underlying database mysql by mariadb?

Greetings Harald

Am 10.10.22 um 23:00 schrieb Katrin Fischer:
Hi David,

please have a look at this bug and the comments there:

*Bug 31673*
<https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31673> - DB
update of bug 31086
<https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31086> fails:
Cannot change column 'branchcode': used in a foreign key constraint

Hope this helps,

Katrin

On 10.10.22 22:40, David L. Whelchel wrote:
Hi,

The following message was sent and held by the moderator as being too long ten days ago. I have been unable to update to the current version because of this issue. I have removed the detail about the environment and installation that I included and that are usually asked for in a bug report. I will send the details if they are wanted


Hi All,

It seems like that for every other update I experience a DBI Exception in the update process. In the latest upgrade of 22.05.04-1 to 22.05.05-1 I have received the message:

      Upgrade to 22.05.04.002  [14:33:32]: Bug 31086 - Do not allow null values in branchcodes for reserves       ERROR - {UNKNOWN}: DBI Exception: DBD::mysql::db do failed: Cannot change column 'branchcode':       used in a foreign key constraint 'reserves_ibfk_4' at /usr/share/koha/lib/C4/Installer.pm line 739

Indeed, there are null values for branchcodes in the reserves table as I do not have any courses or reserves in my system. Is there a fix for this error? I have included the console log below:


Thanks

--Dave
-------------------------------------------------------------------------------
David L. Whelchel
725 SE Derby Street
Pullman, WA 99163
whelc...@pullman.com

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