On 17 December 2017 at 14:53, Tom Lane <t...@sss.pgh.pa.us> wrote: > David Rowley <david.row...@2ndquadrant.com> writes: >> I was puzzled to see the following code: > >> my_extra->element_type = ~element_type; > > If memory serves, the idea was to force the subsequent datatype-lookup > path to be taken, even if for some reason element_type is InvalidOid. > If we take the lookup path then the bogus element_type will be detected > and reported; if we don't, it won't be.
That makes sense. I'd just have expected more documentation on that. Although, perhaps I just didn't look hard enough. I did fail to notice the fact that the same thing does occur over and over when I sent this originally. -- David Rowley http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
