Tom Lane wrote:

> One thing you've got to be really wary of is C++ exceptions,
> which tend not to interoperate nicely with PG's longjmp-based error
> handling.

Hmm, that does sound problematic. You can always build with
-fno-exceptions (gcc; I think other compilers offer related options) and
adopt Pg's error handling scheme instead, though.

In general it's possible to use exceptions in C++ code that's being
called from C so long as you make sure you catch all possible exceptions
at the C/C++ interface point.

> My own advice is to think twice about how badly your function needs to
> be C++ rather than plain C.

Yep... unless you have to call C++ libraries or the like I'd be
reluctant to take all the possible bother on board. That's despite
personally having a strong preference for C++.

--
Craig Ringer

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