Re: transaction safety

DaVinci wrote:
> Hi all.
>
> I want to create a new tuple of main info and detail tuples (in
> different tables) that are joined by a key field. Key field is created by
> generator automatically and I need that number in order to assign to detail
> tuples. How can I to get that number in a safe way?.

A successful INSERT returns the oid of the row just created; so get the
new value with a query like this:

SELECT key_field FROM table WHERE oid = new_oid_value;

In libpq programming, use PQoidValue() to get the oid. Other interfcaes
should have equivalent methods.

--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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