Re: [HACKERS] delta relations in AFTER triggers - Mailing list pgsql-hackers

On Thu, May 4, 2017 at 5:51 AM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> Reproduced here.  The stack looks like this:
>
>     frame #3: 0x000000010f06f8b0
> postgres`ExceptionalCondition(conditionName="!(readptr->eflags &
> 0x0002)", errorType="FailedAssertion", fileName="tuplestore.c",
> lineNumber=1237) + 128 at assert.c:54
>     frame #4: 0x000000010f0cbc85
> postgres`tuplestore_rescan(state=0x00007ff219840200) + 85 at
> tuplestore.c:1237
>     frame #5: 0x000000010eced9b1
> postgres`ExecReScanNamedTuplestoreScan(node=0x00007ff21d007840) + 81
> at nodeNamedtuplestorescan.c:197
>     frame #6: 0x000000010eca46a6
> postgres`ExecReScan(node=0x00007ff21d007840) + 822 at execAmi.c:216
>     frame #7: 0x000000010ece7eca
> postgres`ExecNestLoop(node=0x00007ff21d006310) + 538 at
> nodeNestloop.c:148
>
> I think the problem is that the tuplestore read pointer hasn't been
> opened with the "rewindable" flag.  It works for me with the attached.

Committed.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company