[Koha-bugs] [Bug 18242] Remove primary key on old_issues.issue_id

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18242

--- Comment #21 from Jonathan Druart <jonathan.druart at bugs.koha-community.org> ---
Created attachment 63169
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=63169&action=edit
Bug 18242: 16.05 version - [SOLUTION 2]Handle correctly move to old_issues

The table old_issues has a primary key defined on the issue_id column.
This issue_id comes from the issues table when an item is checked in.

In some case the value of issue_id already exists in the table

Basically this happens when an item is returned and mysqld is restarted:
The auto increment value for issues.issue_id will be reset to
MAX(issue_id)+1 (which is the value of the last entry of old_issues).
See also the description of bug 18003 for more informations.

In this solution the change is done at code level instead of DB
structure: If old_issues.issue_id already exists before moving from
the issues table, the issue_id is updated (not on cascade for
accountlines.issue_id, should it?) before the move.

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