Bruce Momjian <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> That might be a good restriction too (on top of my speculation about not
>> allowing it in postgresql.conf).  Only allow it to be SET per-session,

> We don't have a way to make something unsetable in postgresql.conf right
> now, do we?

Yeah, we do --- see GUC_DISALLOW_IN_FILE.  The existing variable
zero_damaged_pages has the same restrictions we're talking about here,
and for largely the same reasons: you can shoot yourself in the foot
with it.

                        regards, tom lane

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