"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
> It might be worth coming up with a different means to store the
> histogram for the multi-column case.

A separate array for each column involved seems a whole lot less
fragile than pretending we can handle mixed-type arrays.

We probably need a different catalog anyway, or at least a reimagining
of pg_statistic, since it doesn't hold more than one value of staattnum
per row.

                        regards, tom lane

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