DB update to add a new old_issue_id field to accountlines and set
foreign key constraints for both the new field and the existing issue_id
field.
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com> Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com> Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net> Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com> Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>