SUMMARY
Digikam flatpak: Please include mysql driver (for using an external mysql db)

STEPS TO REPRODUCE

1. Enable flatpak KDE repo like described at: https://community.kde.org/Guidelines_and_HOWTOs/Flatpak
2. Install flatpak digikam package (flatpak install kdeapps org.kde.digikam)
3. Start flatpak digikam with flatpak run org.kde.digikam
4. Try to use digikam with 'MySQL Server' as DB

OBSERVED RESULT
'Error was: Driver not loaded'

EXPECTED RESULT
Flatpak digikam should include the MySQL Server driver.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 29
Flatpak: 1.2.3

Original reported as https://bugs.kde.org/show_bug.cgi?id=404642 but cross-posted here as recommended.