On Apr 7, 2004, at 7:48 PM, Joe Conway wrote:
> Eric Ridge wrote:
>> Is the tuplestore basically just an array of ItemPointer-s? In mean,
>> it's not a copy of each entire row, is it?
>
> Yup, it is copied:
wow. I should go back and read the archives to see if this was
discussed already, but I can't help but wonder if there's a way to only
copy pointers to the tuples. I realize VACUUM could screw it up, but
maybe something could be invented (or re-used) to help guard against
that.
eric