Re: PageGetFreeSpace() isn't quite the right thing for some of its callers - Mailing list pgsql-hackers

From Robert Haas
Subject Re: PageGetFreeSpace() isn't quite the right thing for some of its callers
Date
Msg-id CA+TgmoYHk=ttewD7YsNEj8JJTbqpSH8MOTBOe5cfbc-ZK3GAHQ@mail.gmail.com
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In response to Re: PageGetFreeSpace() isn't quite the right thing for some of its callers  (Peter Geoghegan <pg@bowt.ie>)
Responses Re: PageGetFreeSpace() isn't quite the right thing for some of its callers
List pgsql-hackers
On Mon, Apr 8, 2019 at 5:15 PM Peter Geoghegan <pg@bowt.ie> wrote:
> On Mon, Apr 8, 2019 at 2:10 PM Andres Freund <andres@anarazel.de> wrote:
> > I'm not sure I understand what the problem is. We got to get the
> > information for the fsm from somewhere? Are you arguing we should
> > instead have it included as an explicit xlog record payload?
>
> No. I am simply pointing out that PageGetFreeSpace() "should usually
> only be used on index pages" according to its own comments. And yet
> it's called for other stuff.
>
> Maybe it's not that important in that one instance, but I find it
> pretty distracting that PageGetFreeSpace() is intended for index AMs
> that use conventional line pointers.

Maybe we should rename it.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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