| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> |
| Cc: | "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: postgres crash on CURSORS |
| Date: | 2000-04-06 21:42:31 |
| Message-ID: | 28930.955057351@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
>> From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
>>>>> If we are in abort state and
>>>>> the submitted query string is
>>>>>
>>>>> SELECT foo ; ROLLBACK ; SELECT bar
>>>>>
>>>>> it seems to me that the correct response is to reject the first select
>>>>> and process the second.
> Unfortunately I've never used multiple query and understand
> little about it. For example,how to know using libpq that the first
> select was ignored ?
If you use PQexec then you can't really tell, because you'll only get
back the last command's result. If you use PQsendQuery/PQgetResult
then you'll get back multiple PGresults from a multi-query string, and
you can examine each one to see if it was executed or not.
regards, tom lane
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