[Monetdb-developers] dbname....

Fabian Groffen Fabian.Groffen at cwi.nl
Tue Apr 8 14:46:19 CEST 2008

On 08-04-2008 14:42:43 +0200, Romulo Goncalves wrote:
> I did a mistake in my scripts to start my mserver and I set my dbname 
> like this:
> /scratch5/romulo/var/dbfarm/
> When I start my mserver I get this information:
> -bash-3.1$ ../server.sh optimized
> # MonetDB server v5.5.0, based on kernel v1.23.0
> # Serving database '/scratch5/romulo/var/dbfarm'
> # Compiled for x86_64-redhat-linux-gnu/64bit with 64bit OIDs dynamically 
> linked
> # Copyright (c) 1993-2008 CWI, all rights reserved
> Until now no problem.
> The problem comes when I connect a mclient:
> !SABAOTHgetMyStatus: MALException:sabaoth.assert:SABAOTHgetMyStatus 
> couldn't find a database for /scratch5/romulo/var/dbfarm!
> I decided to debug the code and there I decided to print the following 
> variables:
> printf("%s , %s \n ", GDKgetenv("gdk_dbfarm"), GDKgetenv("gdk_dbname"));
> Result:
> /scratch5/romulo/var/dbfarm , /scratch5/romulo/var/dbfarm
> Until now no problem, so what is the reason for the crash? Well, I 
> decide to check my dbfarm:
> /scratch5/romulo/var/dbfarm
> There I found out that the directory with name
> "/scratch5/romulo/var/dbfarm"
> does not exist, but instead of that sub-directories were created:
> /scratch5/romulo/var/dbfarm/scratch5/romulo/var/dbfarm/
> My question is:
> Is the location of the database correct just because in the dbname I 
> defined the name like a path? Or should that name be interpreted as a 
> single string?

Sabaoth and the like assume the dbname is a single directory, and this
assumption is wrong in this case, hence it goes screaming.

To make the assumption correct, I vote for the dbname to match the
following regexp, and otherwise GDK to bail out:


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