Hi,
While working on the PWJ patch [1], I noticed $SUBJECT. They seem to
be leftovers from the original partitionwise-join patch, perhaps.
Attached is a patch for removing them.
Best regards,
Etsuro Fujita
[1] https://www.postgresql.org/message-id/CAPmGK16wDqJiUof8+e4HuGmrAqqoFzb=iQX4V+xicsJ5_BvJ=g@mail.gmail.com