| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alex Ott <ott(at)jet(dot)msk(dot)su> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: working with sequences |
| Date: | 2002-01-31 16:57:44 |
| Message-ID: | 3228.1012496264@sss.pgh.pa.us |
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| Lists: | pgsql-sql |
Alex Ott <ott(at)jet(dot)msk(dot)su> writes:
> and after insert i need get current value of sequence
> 'rfc822_address_seq'. I do this with
> select currval('rfc822_addr_spec_seq')
> but sometimes this query return none and my programm crash. This offten
> happen after 2-3 call of nextval
This is quite hard to believe; if currval() has succeeded once then
I don't see how it could fail later on in the same session.
Are you sure you are passing the same sequence name each time?
currval will fail if asked about a sequence name that hasn't
been nextval'd earlier in the current session.
regards, tom lane
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