Re: Removal of currtid()/currtid2() and some table AM cleanup

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: "Inoue, Hiroshi" <h-inoue@dream.email.ne.jp>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>, Hiroshi Saito <hiroshi@winpg.jp>
Date: 2020-06-05T06:22:28Z
Lists: pgsql-hackers
On Wed, Jun 03, 2020 at 10:10:21PM +0900, Inoue, Hiroshi wrote:
> On 2020/06/03 11:14, Michael Paquier wrote:
>> I have been looking at the ODBC driver and the need for currtid() as
>> well as currtid2(), and as mentioned already in [1], matching with my
>> lookup of things, these are actually not needed by the driver as long
>> as we connect to a server newer than 8.2 able to support RETURNING.
> 
> Though currtid2() is necessary even for servers which support RETURNING,
> I don't object to remove it.

In which cases is it getting used then?  From what I can see there is
zero coverage for that part in the tests.  And based on a rough read
of the code, this would get called with LATEST_TUPLE_LOAD being set,
where there is some kind of bulk deletion involved.  Couldn't that be
a problem?
--
Michael

Commits

  1. Remove catalog function currtid()