[Monetdb-developers] about Using Mal

kun ren renkun.nwpu at gmail.com
Wed Aug 18 10:04:37 CEST 2010


Yes, when I run successfully! But why I must running sql.init() and then can
run mal code?
Best regards!

2010/8/18 Niels Nes <Niels.Nes at cwi.nl>

> On Wed, Aug 18, 2010 at 03:53:49PM +0800, kun ren wrote:
> > Thanks !
> > But when I use mclient -lmsql, but it has a error, the error is
> > :language option needs to be one of sql, mil, mal, or xquery?
>
> sql (and msql) start the interpreter with a 'sql' context.
> You can create this by running sql.init();
>
> After that the mal code should run.
>
> Niels
>  >
> > Best regards!
> >
> > 2010/8/18 Fabian Groffen <Fabian.Groffen at cwi.nl>
> >
> >     On 18-08-2010 15:21:30 +0800, kun ren wrote:
> >     > Yes,I know expain. I mean I use MAL interface, write MAL
> >     instrction to
> >     > implement it. I write the mal instrctions generated by the expain
> >     select *
> >     > from t1,but it has errors.so I ask what mal when I use MAL
> >     interface ,not
> >     > sql interface.
> >
> >     use mclient -lmsql, that should do the trick.
> >
> >
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> --
>  Niels Nes, Centrum Wiskunde & Informatica (CWI)
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