Hi,
On 2019-01-29 04:00:19 +0300, Alexander Korotkov wrote:
> + /*
> + * It is safe to use here PG_TRY/PG_CATCH without subtransaction because
> + * no function called inside performs data modification.
> + */
> + PG_TRY();
> + {
> + res = DirectFunctionCall2(func, ldatum, rdatum);
> + }
> + PG_CATCH();
> + {
> + int errcode = geterrcode();
> +
> + if (jspThrowErrors(cxt) ||
> + ERRCODE_TO_CATEGORY(errcode) != ERRCODE_DATA_EXCEPTION)
> + PG_RE_THROW();
> +
> + MemoryContextSwitchTo(mcxt);
> + FlushErrorState();
> +
> + return jperError;
> + }
> + PG_END_TRY();
FWIW, I still think this is a terrible idea and shouldn't be merged this
way. The likelihood of introducing subtle bugs seems way too high - even
if it's possibly not buggy today, who says that it's not going to be in
the future?
Greetings,
Andres Freund