Re: MySQL LAST_INSERT_ID() to Postgres

On Thu, 28 Aug 2008 16:06:14 -0600
"Scott Marlowe" <scott.marlowe@gmail.com> wrote:

> On Thu, Aug 28, 2008 at 3:38 PM, Bill <pg@dbginc.com> wrote:
> > I am new to PostgreSQL but it seems to me that lastval() will only
> > work if the insert does not produce side effects that call
> > nextval(). Consider the case where a row is inserted into a table
> > that has an after insert trigger and the after insert trigger
> > inserts a row into another table which has a serial primary key. In
> > that case I assume that lastval() will  return the value from the
> > serial column in the second table.
>
> No, setval, currval, and lastval all require as an argument a sequence
> name.  So the real issue is you have to know the sequence name to use
> them.

lastval() does not take a sequence name.

Joshua D. Drake



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