* Greg Donald <destiney@gmail.com> [130904, 13:59]:
> Long time MySQL user, six weeks into Postgres here.
>
> I'm converting a PHP script that uses MySQL to use Postgres instead.
> To substitue the missing MySQL functionaility with mysql_insert_id()
> and auto_increment I am using code like this:
>
> $sql = "SELECT nextval('companies_company_id_seq'::text)";
>
> And then I do my insert with that value.
> [ cut ]
I think you should put <nextval(....)> directly into the INSERT
instruction, so that it advances only once per added record.
Have a look at Documentation PostgreSQL 7.4, Ch 9.11, table 9.34.
HTH
Regards, Ennio
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