Re: [CDBI] Best way to tell if two objects are the same?

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On Wed, Jan 11, 2006 at 09:42:59AM -0500, Michael Peters wrote:
> > I need to know if $obj1 eq $obj2, and I'm wondering the best way.  I
> > suppose ref($obj1) eq ref($obj2) would fail without Live_Object index.
> 
> You mean if they are the same object or refer to the same row in the database.
> If object, then simply comparing the address given by Scalar::Util::refaddr
> would be enough.

That relies on Live_Object index being in use (to see if they point to
the same row), IIUC.

> If you want to check if they are the same row in the db, then you could compare
> their table() and id() to see if they are the same.
> 
> Is that what you were asking for?

I just thought that it might be a common operation.  I kind of
expected for there to be a CDBI method available, then I saw that code
that generates the unique key for %Live_Object is inlined.

Might be a nice use for '==' overload.

        -- 
        Bill Moseley
moseley@xxxx.xxx


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