Gregory Stark <[EMAIL PROTECTED]> writes:
> The solution to this would analogous to what we did to count(). We would need
> to add a field to ArrayMetaState which is stored in fn_extra to remember the
> last array returned. Then if array_push notices it has been called from an
> aggregate context it can store its result in there. The next time it would
> extend that array in place (which is code which doesn't currently exist),

contrib/intagg

                        regards, tom lane

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