Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> writes:
> This is a minor leak, oversight in
> https://github.com/postgres/postgres/commit/4526951d564a7eed512b4a0ac3b5893e0a115690#diff-e399f5c029192320f310a79f18c20fb18c8e916fee993237f6f82f05dad851c5
I don't think you understand how Postgres memory management works.
There's no permanent leak here, just till the end of the command;
so it's pretty doubtful that there's any need to expend cycles on
an explicit pfree.
regards, tom lane