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Constraint violation when swapping two unique attributes



Hi,

 

I’m using the unique overlay on OpenLDAP 2.4.30 on Solaris 11.3 like this:

 

overlay unique

unique_uri ldap:///ou=Ethers,dc=mydomain,dc=com?macAddress?sub?objectClass=ieee802Device

 

to force the macAddress to be unique.

 

This works well, except if I attempt to swap the macAddress between two entries in a single LDAP modify operation, like this:

 

dn: cn=host1-eth0,ou=Ethers,dc=mydomain,dc=com

changetype: modify

replace: macAddress

macAddress: <current host1-eth1 value>

 

dn: cn=host1-eth1,ou=Ethers,dc=mydomain,dc=com

changetype: modify

replace: macAddress

macAddress: <current host1-eth0 value>

 

I get:

 

ldap_modify: Constraint violation (19)

        additional info: some attributes not unique

 

Is there a way to swap two values without tripping this error?

 

Thanks,

Mark.





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