[Dbix-class] Difference between belongs_to and has_one

Drew Taylor taylor.andrew.j at gmail.com
Sat Oct 21 00:03:12 CEST 2006


On 10/20/06, Jess Robinson <castaway at desert-island.demon.co.uk> wrote:
> belongs_to means: a field (or fields) in THIS table is a foreign key
> (contains the primary key of) THAT other table.
>
> has_one means: there is a row in THAT table which contains THIS tables
> primary key.

Thank you for that excellent explanation! I now get it. :-)

And to echo what Matt said, you can always change which columns are
used as the keys using explicit join conditions. The direction was the
important part for me.

Drew
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