On 3 March 2018 at 17:56, Fabien COELHO <coe...@cri.ensmp.fr> wrote: > > The (trivial) big picture is to allow client-side expressions in psql > (which as a \if:-) by reusing pgbench expression engine, so that one could > write things like > > \let i :j + 12 * :k > > or > > \if :VERSION_NUM < 140000 > > I still haven't really grasped why this isn't done by embedding a client-side scripting language interpreter, giving us vastly greater capabilities with only the maintenance of the glue instead of writing our own ad-hoc scripting tool. Something confine-able like JavaScript or Lua.
-- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
