On Wed, Nov 16, 2011 at 11:28 PM, Noah Misch <n...@leadboat.com> wrote:
> Removing values from the array seems best to me.  There's no doubt about what
> ON UPDATE CASCADE should do, and having ON DELETE CASCADE excise individual
> array elements is consistent with that.  It's less clear for SET NULL, but I'd
> continue with a per-element treatment.  I'd continue to forbid SET DEFAULT.
> However, Jeff Davis did expect ON DELETE CASCADE to remove entire rows:
> http://archives.postgresql.org/message-id/1288119207.15279.24.camel@jdavis-ux.asterdata.local
> So, perhaps the behavior needs to be user-selectable.

i will agree with Jeff on this...

i mean, on the normal case it will delete the row. no?

the docs says about the CASCADE action
Delete any rows referencing the deleted row, or update the value of
the referencing column to the new value of the referenced column,

so, that is what i will expect

Jaime Casanova         www.2ndQuadrant.com
Professional PostgreSQL: Soporte 24x7 y capacitación

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