The primary key is the only way to actually reference an entity: an entity's identifier is actually what distinguishes every entity's instance.
Other fields may happen to be unique, but don't have the same meaning of the identifier. Marco Pivetta http://twitter.com/Ocramius http://ocramius.github.com/ On 9 January 2014 23:28, Anthony Topper <[email protected]> wrote: > I am trying to migrate my application from using integer IDs to using > UUIDs. > > I am currently in a state where I have both because a complete migration > all at once is not feasible. I want to do a mapping on my UUID field. I > am getting the following schema validation error: > > * The referenced column name 'uuid' has to be a primary key column on the > target entity class 'Object'. > > This seems arbitrary to me as I can't think of a technical reason why this > limitation would exist. > > -- > You received this message because you are subscribed to the Google Groups > "doctrine-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/doctrine-user. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "doctrine-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/doctrine-user. For more options, visit https://groups.google.com/groups/opt_out.
