Hello
0) we would this feature
* it is finalization of ANSI SQL feature, that is complete now
* it is useful feature, than moves work with updatable views close to heaps
1) patch is cleanly applied
2) there are no new warnings
3) all regress tests was passed - there are enough tests for this feature
4) doc was rebuilt without problems and it is well documented
5) a implemented feature is ANSI SQL compliant
6) code is clean, well commented and well formatted
7) it works as expected
This patch is ready for commit
Regards
Pavel Stehule