Robert Voinea <robert(dot)voinea(at)topex(dot)ro> writes:
> I have a development database that is altered a lot and a set of functions
> that make use of dblink_build_sql_*.
> The problem is that after I update a table whenever I use a function that
> makes use of dblink_build_sql the server crashes.
This is a bug, but you have not provided sufficient information to let
someone else reproduce it. If you're unclear on what a complete bug
report requires, see
http://www.postgresql.org/docs/8.4/static/bug-reporting.html
regards, tom lane