2017-11-08 15:23 GMT+01:00 Peter Eisentraut < peter.eisentr...@2ndquadrant.com>:
> On 10/31/17 16:50, Pavel Stehule wrote: > > Not sure if disabling RETURN is good idea. I can imagine so optional > > returning something like int status can be good idea. Cheaper than > > raising a exception. > > We could allow a RETURN without argument in PL/pgSQL, if you just want > to exit early. That syntax is currently not available, but it should > not be hard to add. > > I don't understand the point about wanting to return an int. How would > you pass that around, since there is no declared return type? > We can create auto session variable STATUS. This variable can be 0 if procedure was returned without explicit RETURN value. Or it can hold different value specified by RETURN expr. This value can be read by GET DIAGNOSTICS xxx = STATUS or some similar. > -- > Peter Eisentraut http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services >
