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  • From: Shaun Craig <s.craig AT andronics.com>
  • To: FreeTDS Development Group <freetds AT lists.ibiblio.org>
  • Subject: Re: [freetds] SELECT @@IDENTITY AS InsertID
  • Date: Wed, 12 Oct 2005 09:12:05 +0100

Me again! Just got back to working on this problem, im now finding through running gdb debugging the following message:

Program received signal SIGSEGV, Segmentation fault.
0x4007d1c7 in buffer_transfer_bound_data (rowtype=Variable "rowtype" is not available.
) at dblib.c:6460
6460 memcpy(dest, &(dres.dt4), sizeof(TDS_DATETIME4));

It seems that when i try to bind the insertid(int) to my variable its trying to bind a date for some reason.

dbbind(dbconn, 1, INTBIND, (DBINT)0, (BYTE *)& InsertID);

Any thoughts?

Lowden, James K wrote:

From: Shaun Craig
Sent: Thursday, October 06, 2005 11:37 AM

I break the query string up depending on how many statements are in

it,
so for above i have 2, 1 for insert and 1 for select

for ( x = 0; x < amount of statments + 1; x++ )
{ //first time around it will be the insert which inserts ok
dbcmd(dbconn, statements[x])
dbsqlexec(dbconn)
dbresults(dbconn)

if we find that the statement is a 'Select @@Identity..etc' we go

in
here, we wont the first time but when we go around the second time we will go in.
{ // try bind select to variable
dbbind(dbconn, 1, INTBIND, (DBINT)0, (BYTE *)& InsertID);

//its
says its binding ok but what its binding i cant be sure!

if (dbnextrow(dbconn) != NO_MORE_ROWS)
journey_insert_id = InsertID;
}
}


In addition to Bill's advice, make sure you're checking the return code
from each db-lib call. And you might want to do some sanity checks with
dbcoltype(), dbnumcols(), dbcolname() to make sure the column you're
binding to is really the one you're expecting.
BTW, re the pool server, I don't have anything for you. Someone more
familiar with the code (and/or more motivated) would need to look at it.


HTH.
--jkl

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--
Shaun Craig
Andronics Ltd. Tel: 02871273118
Web: http://www.andronics.co.uk





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