[Koha-bugs] [Bug 18185] Clears loan history

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18185

--- Comment #14 from Jonathan Druart <jonathan.druart at bugs.koha-community.org> ---
Created attachment 60968
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=60968&action=edit
Bug 18185: [SOLUTION 1]Remove primary key on old_issues.issue_id

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.

The easier solution seems to add a new column id as a primary key. The changes
to the codebase are very small.

However this will raise few problems:
- We can no longer assume that accountlines.issue_id==old_issues.id (I
guess it is problematic).
- Code in Koha::REST::V1::_object_ownership_by_checkout_id is wrong
assuming that old_issues.issuing_id is unique

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