Hi Mihail,
Looking at 0004, I think IsIndexCompatibleAsArbiter() should map the
attribute numbers, in case the partition has a different column layout
than the parent (e.g. in case there are dropped columns or just
different column orders)
Regards
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"We have labored long to build a heaven, only to find it
populated with horrors" (Prof. Milton Glass)