Peter Eisentraut <[EMAIL PROTECTED]> writes:
> Tom Lane writes:
>> This is a nonstarter, as is the previous proposal to have a single
>> function with an explicit parameter that selects the behavior.  The
>> reason is that any such function would have to be treated as completely
>> non-optimizable.

> Why?  We would just need to ensure that the mode cannot be changed at
> critical times.

"critical time" being anywhere within a session, I guess?  Either that
or keep track of whether any cached plans depend on the stability

                        regards, tom lane

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