Horton

Re: Review: Patch to compute Max LSN of Data Pages

Amit Kapila <amit.kapila@huawei.com>

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From: Amit Kapila <amit.kapila@huawei.com>
To: "'Robert Haas'" <robertmhaas@gmail.com>
Cc: "'Andres Freund'" <andres@2ndquadrant.com>, "'Josh Berkus'" <josh@agliodbs.com>, <pgsql-hackers@postgresql.org>
Date: 2013-07-04T06:14:10Z
Lists: pgsql-hackers 
On Wednesday, July 03, 2013 7:41 PM Robert Haas wrote:
> On Wed, Jul 3, 2013 at 9:51 AM, Amit Kapila <amit.kapila@huawei.com>
> wrote:
> > amit@linux:~> md test
> > amit@linux:~> cd test
> > amit@linux:~/test> ln -s ~/test link_test
> > amit@linux:~/test> ls
> > link_test
> > amit@linux:~/test> cd link_test
> > amit@linux:~/test/link_test> ls
> > link_test
> > amit@linux:~/test/link_test> cd link_test
> > amit@linux:~/test/link_test/link_test> cd link_test
> > amit@linux:~/test/link_test/link_test/link_test> pwd
> > /home/amit/test/link_test/link_test/link_test
> > amit@linux:~/test/link_test/link_test/link_test>
> 
> So what?

It can cause error "too many levels of symbolic links"

Point was that in case of symlinks we only want to allow PG_ paths, so that
such situation can never occur.
However I think this is not important to handle by this utility, so we can
remove such handling.

With Regards,
Amit Kapila.