Cool. Thanks, Tom.
> "Rick Smith" <rsmith@artschool.com> writes:
> > PostgreSQL version (example: PostgreSQL-6.5.3) :PostgreSQL-6.5.3
> ^^^^^^^^^^^^^^^^
> > ERROR: ExecSubPlan: null value returned by expression subselect
>
> 6.5 and older don't cope with sub-selects returning NULL. This is fixed
> in Postgres 7.0.
>
> regards, tom lane
>
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