I wrote:
> After some reflection I think that the best fix is to redefine
> AcquireRewriteLocks' processing of dropped columns so that it puts an
> actual null pointer, not a consed-up Const, into the joinaliasvars list
> item.
Here's a complete patch along that line. Possibly worthy of note is
t
In
http://www.postgresql.org/message-id/cak_s-g3-fwveer1c0idvtz0745-7ryifi8whbzcnmsn+hwc...@mail.gmail.com
it's pointed out that commit 2ffa740b was a few bricks shy of a load,
because it failed to cope with the possibility of a joinaliasvars item
containing an implicit coercion. That's not too ha
