Robert Haas ba3d39c969 Don't allow system columns in CHECK constraints, except tableoid. ... Previously, arbitray system columns could be mentioned in table constraints, but they were not correctly checked at runtime, because the values weren't actually set correctly in the tuple. Since it seems easy enough to initialize the table OID properly, do that, and continue allowing that column, but disallow the rest unless and until someone figures out a way to make them work properly. No back-patch, because this doesn't seem important enough to take the risk of destabilizing the back branches. In fact, this will pose a dump-and-reload hazard for those upgrading from previous versions: constraints that were accepted before but were not correctly enforced will now either be enforced correctly or not accepted at all. Either could result in restore failures, but in practice I think very few users will notice the difference, since the use case is pretty marginal anyway and few users will be relying on features that have not historically worked. Amit Kapila, reviewed by Rushabh Lathia, with doc changes by me.		2013-09-23 13:31:22 -04:00
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src	Don't allow system columns in CHECK constraints, except tableoid.	2013-09-23 13:31:22 -04:00
bug.template	Stamp HEAD as 9.4devel.	2013-06-14 14:41:28 -04:00
KNOWN_BUGS
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