Re: Foreign key bugs (Re: [BUGS] "New" bug?? Serious - crashes backend.)

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От Bruce Momjian
Тема Re: Foreign key bugs (Re: [BUGS] "New" bug?? Serious - crashes backend.)
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Msg-id 200007111534.LAA05463@candle.pha.pa.us
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Ответ на Re: Foreign key bugs (Re: [BUGS] "New" bug?? Serious - crashes backend.)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Foreign key bugs (Re: [BUGS] "New" bug?? Serious - crashes backend.)  (Tom Lane <tgl@sss.pgh.pa.us>)
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> JanWieck@t-online.de (Jan Wieck) writes:
> > Tom Lane wrote:
> >> There are at least two bugs here: the immediate cause of the crash
> >> is lack of a check for heap_openr() failure in the RI trigger code,
> 
> >     Exactly where is that check missing (if it still is)?
> 
> The heap_openr calls with NoLock --- the way heap_open[r] are set up
> is that there's an elog on open failure iff you request a lock, but
> if you don't then you have to check for a NULL return explicitly.
> Perhaps this coding convention is too error-prone and ought to be
> changed to have two different routine names, say "heap_open[r]"
> and "heap_open[r]_noerr".  Opinions anyone?

We already have heap_open and heap_openr.  Seems another is too hard. 
Better to give them a parameter to control it.  The API is confusing enough.



--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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