| From: | Guillaume LELARGE <gleu(at)wanadoo(dot)fr> |
|---|---|
| To: | Yasir Malik <ymalik(at)cs(dot)stevens-tech(dot)edu> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Getting last insert value |
| Date: | 2003-11-15 16:40:42 |
| Message-ID: | 200311151640.42892.gleu@wanadoo.fr |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-sql |
Le Samedi 15 Novembre 2003 15:18, vous avez écrit :
> Hello,
> I have a table with many fields, and one of the fields is of type serial.
> I will do many inserts, and there will be many repeats of the other fields
> in the table, but, obviously, the serial field will be unique for all the
> rows. How can I get the value of serial field of the last row I inserted.
> I know I can select the maximum value from the serial field, but is there
> a better way, preferably something that takes constant time.
> Thanks,
> Yasir Malik
>
Doing a "select currval() from my_table" after your insert should work.
For more details, see
http://www.postgresql.org/docs/7.3/interactive/functions-sequence.html
--
Guillaume
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