> On Sat, Jun 8, 2019 at 5:30 PM Andres Freund <and...@anarazel.de> wrote: > > On 2019-06-08 16:03:09 +0200, Dmitry Dolgov wrote: > > > On Thu, Jun 6, 2019 at 9:06 AM Michael Paquier <mich...@paquier.xyz> > > > wrote: > > > The table AM lookup happens only when creating a table, so we could just > > > get > > > a failure when attempting to create a table with this incorrect value. > > > > is correct, but doesn't it leave the room for some problems in the future > > with > > a wrong assumptions about correctness of default_table_access_method? > > What do you mean by that?
I didn't have any particular problem in mind, just an abstract and probably wrong observation. One more observation is that this > Every single use of default_table_access_method (and similarly > default_tablespace) has to check the value, because it could be outdated / > not checked due to wrong context. for default_tablespace clearly expressed in GetDefaultTablespace function (if you see something like that, obviously you better use it), but there is nothing like similar for default_table_access_method so one have to keep it in mind (although of course it's not a problem so far, since it's being used in only one place).