Re: Re: [SQL] Re: pg_dump potential bug -UNIQUE INDEX on PG_SHADOW Dont!! HELP

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Marcin Kowalski <kowalski@datrix.co.za>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2001-04-01T00:53:39Z
Lists: pgsql-bugs, pgsql-hackers, pgsql-general
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> First, here is a patch which will prevent this from happening in the
> future.  Do people want this held for 7.2 or applied now?  It disables
> the creation of user indexes on system tables.
  
> + 	if (heapRelationName && !allow_system_table_mods &&
> + 		IsSystemRelationName(heapRelationName) && IsNormalProcessingMode())
> + 	{
> + 		elog(ERROR, "You can not create indexes on system tables:  '%s'",
> + 			 heapRelationName);
> + 	}
> + 

I think it would be a real good idea to put in this safeguard, but
I don't much like that error message.  How about

    elog(ERROR, "User-defined indexes on system catalogs are not supported");


			regards, tom lane