Re: pg_upgrade diffs on WIndows

On Wed, Sep  5, 2012 at 03:50:13PM -0400, Andrew Dunstan wrote:
> >>The second lot of CRs (seen in the second dump file in the diff i
> >>previously sent) is produced by pg_upgrade writing its output in
> >>text mode, which turns LF into CRLF. The solution to that is the
> >>patch to dump.c I posted, which, as Bruce observed, does the same
> >>thing that pg_dumpall does. Arguably, it should also open the input
> >>file in binary, so that if there really is a CRLF in the dump it
> >>won't be eaten.
> >So, right now we are only add \r for function bodies, which is mostly
> >harmless, but what if a function body has strings with an embedded
> >newlines?  What about creating a table with newlines in its identifiers:
> >
> >CREATE TABLE "a
> >b" ("c
> >d" int);
> >
> >If \r is added in there, it would be a data corruption problem.  Can you
> >test that?
> 
> These are among the reasons why I am suggesting opening the file in
> binary mode. You're right, that would be data corruption.
> 
> I can set up a check, but it will take a bit of time.

My only point is that this is no longer a buildfarm failure issue, it is
a potential data corruption issue.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +