On Wed, Sep 28, 2011 at 10:51 AM, Alvaro Herrera
<alvherre@commandprompt.com> wrote:
> Excerpts from depstein's message of mi=E9 sep 28 07:21:17 -0300 2011:
>> Anyway, the procedure that we used (based on
>> http://en.dklab.ru/lib/dklab_postgresql_enum/) does the necessary
>> checks before removing enum values.
Not exactly; that code is rife with race conditions. For instance, how
does the "Check data references" loop ensure that previously-checked
tables don't get a new row containing the forbidden enum_elem before
the function is finished?
Josh
