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Re: Transactions from Visual C++

From: Jim Nasby <decibel(at)decibel(dot)org>
To: <Christof(dot)Paal(at)nc3a(dot)nato(dot)int> <Christof(dot)Paal(at)nc3a(dot)nato(dot)int>
Cc: <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Transactions from Visual C++
Date: 2006-08-26 20:43:38
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Lists: pgsql-bugs
On Aug 23, 2006, at 7:31 AM, <Christof(dot)Paal(at)nc3a(dot)nato(dot)int>  
<Christof(dot)Paal(at)nc3a(dot)nato(dot)int> wrote:
> Let us assume that the second statement fails because value 'b' is
> illegal.
> Either the ODBC driver or the DBMS now rejects all follow-on queries
> with the error message:
>         Error while executing the query;
>         ERROR:  current transaction is aborted, commands ignored until
> end of transaction block
> I would have expected that it would still be possible to run queries
> inside this transaction (in fact, the same code continues to run in
> Sybase and MSSQL Server).
> Otherwise it is not possible to write your own transaction logic or  
> your
> own error handling in this environment.

Why continue to run commands if you're just going to roll them back?

In any case, I fail to see how this makes it impossible to control  
transactions. Perhaps you need to look into savepoints?
Jim C. Nasby, Sr. Engineering Consultant      jnasby(at)pervasive(dot)com
Pervasive Software    work: 512-231-6117
vcard:       cell: 512-569-9461

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