At least I think it's a segfault. This function returns a vstring:
CREATE OR REPLACE FUNCTION wtf(
) RETURNS text LANGUAGE plperl IMMUTABLE STRICT AS $X$
return $^V;
$X$;
Here's what happens when I call it:
try=# select wtf();
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
!>
So I think that it doesn't know what to do with vstrings. They should probably
never be returned (they're mostly deprecated), but if they are, they should be
cast to text, I think.
Best,
David
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