how to get id of last insert on a serial type? 
Author Message
 how to get id of last insert on a serial type?

Two quick notes/questions...

1) That would still require me to write a function for each of
   inserts to make sure that the value came back. I can't just

   was inserted, I have to know what sequence was used. The

   know anything about what was actually inserted, just that
   something was.

2) Can I lock the sequence to make sure that another INSERT
   doesn't occur before I select the currval() of the sequence?

rjsjr

Quote:
> -----Original Message-----

> Sent: Saturday, May 18, 2002 5:52 PM
> To: Robert J. Sanford, Jr.

> Subject: Re: [GENERAL] how to get id of last insert on a
> serial type?


> > one bit that I'm currently having the largest issue with is


> > retrieve the primary key of the last row inserted into a
> > table (assuming the table is using an identity column as the
> > primary key)


> implemented as currval() on the associated sequence.  This is more
> flexible than what you describe for SQL Server, because the
currval
> can be retrieved at any later time in the same session --- as long
> as you don't do another insert into the same table, it's
> still good.

>                    regards, tom lane

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Sat, 06 Nov 2004 00:37:38 GMT
 
 [ 1 post ] 

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