a4e8680a6c
Views should not have any pg_attribute entries for system columns. However, we forgot to remove such entries when converting a table to a view. This could lead to crashes later on, if someone attempted to reference such a column, as reported by Kohei KaiGai. Patch in HEAD only. This bug has been there forever, but in the back branches we will have to defend against existing mis-converted views, so it doesn't seem worthwhile to change the conversion code too.
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