On Sun, Nov 30, 2008 at 10:49 AM, Tom Lane <tgl@postgresql.org> wrote:
> Remove inappropriate memory context switch in shutdown_MultiFuncCall().
> This was a thinko introduced in a patch from last February; it results
> in memory leakage if an SRF is shut down before the actual end of query,
> because subsequent code will be running in a longer-lived context than
> it's expecting to be.
I added that context switch for a reason:
http://archives.postgresql.org/pgsql-patches/2008-02/msg00153.php
Presumably that's why the build farm is crashing on dblink.
Neil