Re: pg_dump: Remove "blob" terminology

Andrew Dunstan <andrew@dunslane.net>

From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Daniel Gustafsson <daniel@yesql.se>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2022-12-03T16:07:09Z
Lists: pgsql-hackers
On 2022-12-02 Fr 12:40, Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
>> On 2022-12-02 Fr 09:18, Tom Lane wrote:
>>> The scheme I've vaguely thought about, but not got round to writing,
>>> is to merge all blobs with the same owner and ACL into one TOC entry.
>>> One would hope that would get it down to a reasonable number of
>>> TOC entries in practical applications.  (Perhaps there'd need to be
>>> a switch to make this optional.)
>> +1 for fixing this. Your scheme seems reasonable. This has been a pain
>> point for a long time. I'm not sure what we'd gain by making the fix
>> optional.
> Well, what this would lose is the ability to selectively restore
> individual large objects using "pg_restore -L".  I'm not sure who
> out there might be depending on that, but if we assume that's the
> empty set I fear we'll find out it's not.  So a workaround switch
> seemed possibly worth the trouble.  I don't have a position yet
> on which way ought to be the default.
>
> 			


OK, fair point. I suspect making the batched mode the default would gain
more friends than enemies.


cheers


andrew


--
Andrew Dunstan
EDB: https://www.enterprisedb.com




Commits

  1. pg_dump: Remove move "blob" terminology

  2. pg_dump: Remove "blob" terminology