Re: Constraint violation when swapping two unique attributes

[Howard Chu <hyc@symas.com>]

Bannister, Mark wrote:
> 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>

That's two separate modify operations, not a single operation.
> 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?

Seems unlikely. Why don't you rename the entries instead?
> Thanks,
>
> Mark.
>
>
>
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--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/