[GitHub] mitchell852 edited a comment on issue #2657: TO API: unable to write a null or blank value to IPv6

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mitchell852 edited a comment on issue #2657: TO API: unable to write a null or blank value to IPv6
URL: https://github.com/apache/trafficcontrol/issues/2657#issuecomment-412585025
 
 
   if my memory serves me correctly, ipv6 addresses must be unique per profile. for example
   
   server 1 has profile A which has ipv6=2001:aaaa:bbbb:cccc::
   server 2 has profile B which has ipv6=2001:aaaa:bbbb:cccc::
   
   ^^ this is fine but if 
   
   server 3 has profile B which has ipv6=2001:aaaa:bbbb:cccc:: <-- that won't work. 
   
   anyhow, my guess is that this constraint is kicking in on a null or blank value. i.e.
   
   server 1 has profile A which has ipv6=null
   server 2 has profile A which has ipv6=null <-- the system thinks that null is already taken so it's throwing the unique constraint error which it obviously should not
   
   
   
   

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