Articles Tagged 'foreign keys'

Upgrade from v5.4 to v6.0 Blocked by Foreign Key Constraints

When you upgrade from v5.4 to v6.0, unlike previous versions of the upgrader, we don't delete the entire database and recreate it. The upgrader makes the changes to live database in-situ. However if you have missing foreign key constraints in the v5.4 database it can lead to bad data that breaks the installer.