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Re: Largeobject Access Controls (r2460)

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>, Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>, Greg Smith <greg(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Largeobject Access Controls (r2460)
Date: 2009-12-19 03:05:47
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Lists: pgsql-hackers
On Fri, Dec 18, 2009 at 9:48 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> Oh.  This is more complicated than it appeared on the surface.  It
>> seems that the string "BLOB COMMENTS" actually gets inserted into
>> custom dumps somewhere, so I'm not sure whether we can just change it.
>>  Was this issue discussed at some point before this was committed?
>> Changing it would seem to require inserting some backward
>> compatibility code here.  Another option would be to add a separate
>> section for "BLOB METADATA", and leave "BLOB COMMENTS" alone.  Can
>> anyone comment on what the Right Thing To Do is here?
> The BLOB COMMENTS label is, or was, correct for what it contained.
> If this patch has usurped it to contain other things

It has.

> I would argue
> that that is seriously wrong.  pg_dump already has a clear notion
> of how to handle ACLs for objects.  ACLs for blobs ought to be
> made to fit into that structure, not dumped in some random place
> because that saved a few lines of code.

OK.  Hopefully KaiGai or Takahiro can suggest a fix.



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