Re: [HACKERS] GSOC'17 project introduction: Parallel COPY executionwith errors handling

On 3/3/18 00:48, Tom Lane wrote:
> I don't think that can possibly work.  It would only be safe if, between
> the thrower and the catcher, there were no other levels of control
> operating according to the normal error-handling rules.  But input
> functions certainly cannot assume that they are only called by COPY,
> so how could they safely throw a "soft error"?

That assumes that throwing a soft error in a context that does not
handle it specially is not safe.  I'd imagine in such situations the
soft error just behaves like a normal exception.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
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