Noah Misch <n...@leadboat.com> writes:
> On Thu, Sep 03, 2015 at 11:04:11PM -0400, Tom Lane wrote:
>> *************** AtSubAbort_Portals(SubTransactionId mySu

>> --- 909,966 ----
>> {
>> Portal               portal = hentry->portal;
>> 
>> +            /* Was it created in this subtransaction? */
>> if (portal->createSubid != mySubid)
>> +            {
>> +                    /* No, but maybe it was used in this subtransaction? */
>> +                    if (portal->activeSubid == mySubid)
>> +                    {
> ...
>> +                            if (portal->status == PORTAL_ACTIVE)
>> +                                    MarkPortalFailed(portal);

> Do you have a test case that reaches this particular MarkPortalFailed() call?
> My attempts stumbled over the fact that, before we reach here, each of the
> three MarkPortalActive() callers will have already called MarkPortalFailed()
> in its PG_CATCH block.  ("make check" does not reach this call.)

Offhand I think that's just belt-and-suspenders-too coding.  As you say,
we'd typically have failed active portals already before getting here.
But the responsibility of this routine is to *guarantee* that no broken
portals remain active, so I'd not want to remove this check.

Do you have a particular reason for asking?

                        regards, tom lane


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