[Dbix-class] find_or_create did it find or created?

[tirveni yadav]

On Sat, Aug 19, 2017 at 12:07 AM, Thomas Sibley <trsibley at uw.edu> wrote:
> Use find_or_new instead, and then check $id->in_storage.  Make sure to call
> $id->insert when $id->in_storage is false.
>
> This is explained in the documentation for find_or_create, starting with “If
> you need to know if an existing row was found or a new one created…”.
>
>
> On Aug 18, 2017, at 10:34 , Rajeev Prasad <rp.neuli at yahoo.com> wrote:
>
> How do we know wether this function 'found' or created whatever was being
> asked to 'find_or_create' ???
>
> my $id = $schema
>         ->resultset('Node')
>         ->find_or_create
>         (
>             { nodeName => $node },
>             { key => 'nodeID' }
>         );
> how do we know wether $id was already existing in table?


I would suggest that you avoid find_or_create, unless you know what
are you are doing.
find_or_create is subject to Race condition as well.

Hence, best to do it inside a transaction.

Or keep it simple and do a find and then create inside a transaction.


-- 
Regards,

Tirveni Yadav

www.bael.io

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Upanishads.