On Wed, Sep 28, 2011 at 10:51 AM, Alvaro Herrera
<alvhe...@commandprompt.com> wrote:
> Excerpts from depstein's message of miƩ 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

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