Re: PGexec dumps core at pqResultAlloc

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От Shridhar Daithankar
Тема Re: PGexec dumps core at pqResultAlloc
Дата
Msg-id 3FB320D0.3000007@persistent.co.in
обсуждение исходный текст
Ответ на Re: PGexec dumps core at pqResultAlloc  (ljb <ljb220@mindspring.com>)
Список pgsql-general
ljb wrote:
ryan@ostrich-emulators.com wrote: 
...
#0  0x408cf47e in malloc_consolidate () from /lib/libc.so.6
#1  0x408ced83 in _int_malloc () from /lib/libc.so.6
#2  0x408cdf1a in malloc () from /lib/libc.so.6
#3  0x40c834cd in pqResultAlloc (res=0x4098a9a0, nBytes=1083746720,
isBinary=1 '\001') at fe-exec.c:496
#4  0x40c83e18 in getRowDescriptions (conn=0x80699b8) at fe-exec.c:1129 
#5  0x40c83d5f in parseInput (conn= x80699b8) at fe-exec.c:1023 
#6  0x40c8437b in PQgetResult (conn=0x80699b8) at fe-exec.c:1349 
#7  0x40c84489 in PQexec (conn=0x80699b8, query=0x8070398 "select * from
accounts where ID!=0") at fe-exec.c:1461

The code is pretty basic, in my opinion. The following is the snippet that's
failling. By the time execution gets to this point, the connection is open,
and the first line always prints 0 1 0
---cout<<conn<<": "<<PQstatus( conn )<<" "<<CONNECTION_BAD<<"
"<<CONNECTION_OK<<endl;PGresult * result=PQexec( conn, "BEGIN" );cout<<"here a"<<endl;PQclear( result );
cout<<"here a.1"<<endl;result=PQexec( conn, stmt );cout<<"here a.2"<<endl;
--

Platform: Slackware Linux 9.1, x86, gcc-3.2.3    
If you aren't getting answers it's not because nobody looked at this. I
did, and I can't figure it out. You are apparently running 7.3.x based on 
Same here..:-)

 I had a thought  yesterday but didn't put it because was not sure how helpful it is... anyways..

Are your postgresql include headers are within a extern "C" block? In C++, that can cause quite a grief. Check it out..

 Shridhar

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