Re: [HACKERS] Misplacement of function declaration incontrib/postgres_fdw/postgres_fdw.h

On 2017/01/12 13:52, Ashutosh Bapat wrote:
> On Thu, Jan 12, 2017 at 8:49 AM, Etsuro Fujita
> <fujita.etsuro@lab.ntt.co.jp> wrote:
>> While working on pushing down more joins/updates to the remote, I noticed
>> that in contrib/postgres_fdw/postgres_fdw.h the declaration of
>> get_jointype_name is misplaced in the section of shippable.c.  Since that
>> function is defined in contrib/postgres_fdw/deparse.c, we should put that
>> declaration in the section of deparse.c in the header file. Attached is a
>> patch for that.

> I think, initially (probably in a never committed patch) the function
> was used to check whether a join type is shippable and if so return
> the name to be used in the query. That may be the reason why it ended
> up in shippability.c. But later the shippability test was separated
> from the code which required the string representation.

Thanks for the explanation!

> Thanks for
> pointing out the descripancy. The patch looks good. As a side change,
> should we include "JOIN" in the string returned by this fuction? The
> two places where this function is called, append "JOIN" to the string
> returned by this function.

I was thinking that, so +1.

> Although, even without that change, the
> patch looks good.

Thanks again.

Best regards,
Etsuro Fujita