Andrey Lepikhov writes:
> It is possible that custom_scan_tlist is designed too nontrivially, and
> it is possible that it needs some comments describing in more detail how
> to use it.
I totally buy the argument that the custom scan stuff is
underdocumented :-(.
FWIW, if we did have a use-cas
On 22/04/2019 18:40, Robert Haas wrote:
On Fri, Apr 19, 2019 at 12:45 AM Tom Lane wrote:
I don't buy this for a minute. Where do you think projection is
going to happen? There isn't any existing node type that *couldn't*
support projection if we insisted that that be done across-the-board.
On Fri, Apr 19, 2019 at 12:45 AM Tom Lane wrote:
> I don't buy this for a minute. Where do you think projection is
> going to happen? There isn't any existing node type that *couldn't*
> support projection if we insisted that that be done across-the-board.
> I think it's mostly just a legacy thi
Andrey Lepikhov writes:
> Can we include the CustomScan node in the list of nodes that do not
> support projection?
That seems like a pretty bad idea. Maybe it's a good thing for whatever
unspecified extension you have in mind right now, but it's likely to be
a net negative for many more. As a