[Monetdb-developers] about Using Mal

kun ren renkun.nwpu at gmail.com
Wed Aug 18 09:21:30 CEST 2010


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.

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

>  On Wed, Aug 18, 2010 at 03:05:11PM +0800, kun ren wrote:
> > Dear all,
> >      Recently,I am using MAL,using mclient -l mal command, If I use
> > sql, I write a SQL: select * from t1; while t1 has two column c1 and
> > c2,type is int. I want to ask what the corresponding MAL of this sql,
> > if I us mclient -l mal ,what mal will I will use to implement the
> > select * from t1
>
> run
>
> explain select * from t1;
>
> that will show you the mal code.
>
> Niels
> > Best regards!
>
> >
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> --
> Niels Nes, Centrum Wiskunde & Informatica (CWI)
> Science Park 123, 1098 XG Amsterdam, The Netherlands
> room L3.14,  phone ++31 20 592-4098     sip:4098 at sip.cwi.nl<sip%3A4098 at sip.cwi.nl>
> url: http://www.cwi.nl/~niels   e-mail: Niels.Nes at cwi.nl
>
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