On Mon, Oct 5, 2015 at 3:05 AM, Etsuro Fujita
<fujita.etsuro@lab.ntt.co.jp> wrote:
> I think "best_inner_indexscan()" in the following comment in tidpath.c
> is obsolete.
>
> * There is currently no special support for joins involving CTID; in
> * particular nothing corresponding to best_inner_indexscan(). Since it's
> * not very useful to store TIDs of one table in another table, there
> * doesn't seem to be enough use-case to justify adding a lot of code
> * for that.
>
> How about s/best_inner_indexscan()/parameterized scans/?
I'm not sure that's altogether clear.
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Robert Haas
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