It looks like relation_is_updatable() didn't get the message about
partitioned tables. Thus, for example, information_schema.views and
information_schema.columns report that simple views built on top of
partitioned tables are non-updatable, which is wrong. Attached is a
patch to fix this.

I think this kind of omission is an easy mistake to make when adding a
new relkind, so it might be worth having more pairs of eyes looking
out for more of the same. I did a quick scan of the rewriter code
(prompted by the recent similar omission for RLS on partitioned
tables) and I didn't find any more problems there, but I haven't
looked elsewhere yet.


Attachment: teach-relation-is-updatable-about-partitioned-tables.patch
Description: Binary data

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