Rename... Why would we need in rename with OID filenames?
Ok, let's start with OID (*without tablename prefix|suffix*) filenames
and we'll see later how it will work.
So, could someone implement OID filenames?
(Please use RelFileNode structure).
Vadim
> > > You have to tell us whether you plan to implement
> > > a safe file rename in WAL ? If yes a simple filename
> > > without version would be possible and better.
> >
> > What do you mean?
>
> The previous discussion we had where we concluded, that
> an os rename of a file cannot be done without risc.
> But that risc was imho acceptable to avoid the extra version
> in the filename
>
> (a rename back to the old name could fail when the tx is supposed
> to be rolled back).
>
> Search the archive for "file rename sync".
>
> My conlusion would be an oid only filename, or a mixture of
> oid and tablename, where tablename can be wildcarded on a
> directory search,
> since oid is already unique. No version in the name, we would
> do renames in
> that case.
>
> If I remember correctly a patch exists that does oid only filenames.
>
> Andreas
>
>
