[Dbix-class] Get next val from sequence

[Peter Rabbitson]

On Wed, Dec 05, 2012 at 12:42:56PM -0800, Bill Moseley wrote:
> I'm using Postgresql.  Can someone pont me to docs on fetching nextval?

There is no public interface for this, since everyone who asked for a 
generic "fetch sequence" API never delivered a proposal how it would 
actually work.

The code is mostly there - observe the {auto_nextval} codepath
::Storage::DBI::insert() => ::Storage::DBI::_prefetch_autovalues

Of course if you just chose to use the private methods as is - make sure 
you write tests to catch when your code breaks - these internal names 
*will* change.

> 
> Thanks,
> 
> -- 
> Bill Moseley
> moseley at hank.org

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