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Re: [BUGS] General Bug Report: Correction: pg_dump sets quotes wrong when dumping groups-acls.

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Bernhard Weisshuhn <bkw(at)weisshuhn(dot)de>
Cc: pgsql-bugs(at)postgreSQL(dot)org
Subject: Re: [BUGS] General Bug Report: Correction: pg_dump sets quotes wrong when dumping groups-acls.
Date: 1999-05-26 19:35:07
Message-ID: 199905261935.PAA05732@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
I have fixed this bug in the 6.5 beta release.  The fix was to just
modify pg_dump to look for a leading "group ".  There is no simpler way.


> 
> ============================================================================
>                         POSTGRESQL BUG REPORT TEMPLATE
> ============================================================================
> 
> 
> Your name               : Bernhard Weisshuhn
> Your email address      : bkw(at)weisshuhn(dot)de
> 
> Category                : runtime: front-end
> Severity                : serious
> 
> Summary: Correction: pg_dump sets quotes wrong when dumping groups-acls.
> 
> System Configuration
> --------------------
>   Operating System   : Linux 2.0.36 ELF
> 
>   PostgreSQL version : 6.4.2
> 
>   Compiler used      : gcc 2.7.2.3
> 
> Hardware:
> ---------
> Redhat 5.2, custom-built postgresql (no RPM)
> 
> Versions of other tools:
> ------------------------
> n/a
> 
> --------------------------------------------------------------------------
> 
> Problem Description:
> --------------------
> Aaaargh! Sorry, I forgot to clean up my example, so it must
> have looked quite incomprehendable. Here it is again, with the right groupname:
> 
> When executing
> % pg_dump -z somedatabase
> and a database contains acl-permissions like
> => "GRANT ALL on sometable to group somegroup"
> pg_dump incorrectly generates the line:
>   GRANT ALL on "sometable" to "group somegroup";
> instead of
>   GRANT ALL on "sometable" to group "somegroup";
> 
> Note the quotes.
> 
> The incorrect output generates errors when restoring
> databases from the dump and fails to set the correct
> permissions.
> 
> --------------------------------------------------------------------------
> 
> Test Case:
> ----------
> createdb grouptestdb;
> psql grouptestdb -c "insert into pg_group (groname,grosysid,grolist) VALUES ('testgroup',1000,'{500}');"
> psql grouptestdb -c "create table dummy (foobar int4);"
> psql grouptestdb -c "grant ALL on dummy to group testgroup;"
> pg_dump -z -s -t dummy grouptestdb
> 
> 
> 
> --------------------------------------------------------------------------
> 
> Solution:
> ---------
> Obviously, pg_dump does not seem to know about groups at all,
> so it treats "group testgroup" as a user.
> Sorry, this one is too hard for me to fix the right way, 
> maybe we could just check, if the userstring begins with 
> 'group ' and alter the quotes accordingly, but this does
> not look like a clean solution to me.
> 
> --------------------------------------------------------------------------
> 
> 
> 


-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist(at)candle(dot)pha(dot)pa(dot)us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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