Hi all, this is probably very obvious for some of you, but not to me.  I am trying to figure out how to set up my model in a seemingly very simple way.

 

Let’s suppose I have a master object “Master”, and a slave object “Slave”.  There should be an optional 1:1 relationship from master->slave.  Let’s imagine the following fields:

 

Master:

Id integer primary key

Value string

 

Slave:

Id integer primary key,

Subvalue string NOT NULL

 

How do I set up an optional relationship from master to slave, such that the primary key from master (ID) is propagated into Slave?  If I check either the “Propagate primary key” or “Owns destination” box for the relationship from master->slave, it attempts to create a slave object immediately when the master object is created.  Since the relationship is supposed to be optional (per the radio button), what am I doing wrong?  How can I create a Master object, then perhaps later on create a slave object that belongs to master?

 

Thanks for any help,

Randy

 

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