"Michael P. Soulier" <michael_soulier(at)mitel(dot)com> writes:
> Tom Lane wrote:
>> *Why* you've got such triggers is not apparent from what you've told us.
> I've not explicitely created any triggers. The table has constraints,
> and if that results in triggers created by the system, then that would
> be why.
Yup...
> Foreign-key constraints:
> "dashboard_tuginstance_node_id_fkey" FOREIGN KEY (node_id)
> REFERENCES nodes(id) DEFERRABLE INITIALLY DEFERRED
This is what's creating the limitation.
regards, tom lane