Re: [BUG] failed assertion in EnsurePortalSnapshotExists()

Em qua., 29 de set. de 2021 às 15:01, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> escreveu:

> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> > On 2021-Sep-29, Ranier Vilela wrote:
> >> Em qua., 29 de set. de 2021 às 08:12, Drouvot, Bertrand <
> bdrouvot(at)amazon(dot)com>
> >> escreveu:
> >> Duplicating functions is very bad for maintenance and bloats the code
> >> unnecessarily, IMHO.
>
> > Well, there are 42 calls of PushActiveSnapshot currently, and only 6 are
> > updated in the patch. Given that six sevenths of the calls continue to
> > use the existing function and that it is less verbose than the new one,
> > that seems sufficient argument to keep it.
>
> Seeing that we have to back-patch this, changing the ABI of
> PushActiveSnapshot seems like a complete non-starter.
>
> The idea I'd had to avoid code duplication was to make
> PushActiveSnapshot a wrapper for the extended function:
>
> void
> PushActiveSnapshot(Snapshot snap)
> {
> PushActiveSnapshotWithLevel(snap, GetCurrentTransactionNestLevel());
> }
>
> Much better.

regards,
Ranier Vilela