[Koha-bugs] [Bug 22642] New: DB upgrade 18.06.00.005 can fail

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22642

            Bug ID: 22642
           Summary: DB upgrade 18.06.00.005 can fail
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5 - low
         Component: Database
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: fridolin.somers at biblibre.com
        QA Contact: testopia at bugs.koha-community.org
  Target Milestone: ---

DB upgrade 18.06.00.005 from Bug 12395 can fail :

BD::mysql::db do failed: Cannot add or update a child row: a foreign key
constraint fails (`koha`.`aqorders`, CONSTRAINT `aqorders_created_by` FOREIGN
KEY (`created_by`) REFERENCES `borrowers` (`borrowernumber`) ON DELETE SET NULL
ON UPDATE CASCADE) [for Statement "UPDATE aqorders, aqbasket SET
aqorders.created_by = aqbasket.authorisedby  WHERE aqorders.basketno =
aqbasket.basketno AND aqorders.created_by IS NULL;"] at
./installer/data/mysql/updatedatabase.pl line 16131.

This upgrade adds a constraint on aqorders.created_by linked to
borrowers.borrowernumber.
Then copies aqbasket.authorisedby into aqorders.created_by.
But aqbasket.authorisedby as no constraint so its value may not be an existing
borrowernumber (deleted borrower).

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