On Sun, Sep 27, 2009 at 4:09 PM, Tom Lane <tgl(at)postgresql(dot)org> wrote:
> Log Message:
> -----------
> Replace the array-style TupleTable data structure with a simple List of
> TupleTableSlot nodes. This eliminates the need to count in advance
> how many Slots will be needed, which seems more than worth the small
> increase in the amount of palloc traffic during executor startup.
>
> The ExecCountSlots infrastructure is now all dead code, but I'll remove it
> in a separate commit for clarity.
>
> Per a comment from Robert Haas.
Wow, nice. That saved a bucketload of code.
...Robert