On 14-11-2007 22:56:27 +0100, Martin Kersten wrote: > Fabian Groffen wrote: > > On 14-11-2007 22:46:34 +0100, [EMAIL PROTECTED] wrote: > > > >> mal> # create schema, if it doesn't exist > >> mal> catch MALException:str; > >> mal> > >> mal> s := bat.new(:void,:oid); > >> mal> bat.setName(s, "schema"); > >> mal> bat.setPersistent(s); > >> mal> > >> mal> s := bat.new(:void,:void); > >> > > > > The error occurs here. This is a typing issue, but the expert has to > > give his opinion on it to make it final. ;) > > > > You can try (haven't tested it) to first set it to nil, e.g.: > > s := nil; > > > there he is:-) > > In MAL arguments and signatures are strongly typed. > > s:bat[:void,:oid] := bat.new(_6:void, _6:void) > > is type incompatible. > it should have been > > s:bat[:void,:oid] := bat.new(_6:void, _7:oid)
The observation is that you cannot reuse variables, unless you want to reuse them for something which has exactly the same type. The assignment makes that counter intuitive, because it /does/ work when the variable has never been referenced before. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Monetdb-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/monetdb-developers
