On Mon, Apr 10, 2017 at 11:39 AM, Alex K <kondratov.aleksey@gmail.com> wrote:
> (1) It seems that starting new subtransaction at step 4 is not necessary. We
> can just gather all error lines in one pass and at the end of input start
> the only one additional subtransaction with all safe-lines at once: [1, ...,
> k1 - 1, k1 + 1, ..., k2 - 1, k2 + 1, ...], where ki is an error line number.
The only way to recover from an error is to abort the subtransaction,
or to abort the toplevel transaction. Anything else is unsafe.
--
Robert Haas
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