Stefan Manegold wrote:
> On Tue, Dec 04, 2007 at 05:20:31PM +0100, Romulo Goncalves wrote:
>> #c0 := b.select([EMAIL PROTECTED], oid(b.count() - 3)).mark([EMAIL
>> PROTECTED]).reverse();
>> cnt := aggr.count(alg);
>> cnt := calc.-(cnt,3);
>> id := calc.oid(cnt);
>> sel := algebra.select(b, [EMAIL PROTECTED], id);
>> mrk := algebra.markT(sel, [EMAIL PROTECTED]);
>> c0 := bat.reverse(mrk);
>>
>> I did like this and I still get:
>> [EMAIL PROTECTED] MonetDB5]$ ../../bin/mserver5
>> # MonetDB server v5.3.0, based on kernel v1.21.0
>> # Serving database 'demo'
>> # Compiled for x86_64-redhat-linux-gnu/64bit with 64bit OIDs dynamically
>> linked
>> # Copyright (c) 1993-2007 CWI, all rights reserved
>> # Visit http://monetdb.cwi.nl/ for further information
>> #warning: please don't forget to set your vault key!
>> #(see /ufs/goncalve/scratch/MonetDB/MonetDB5/etc/monetdb5.conf)
>> !TypeException:user.str2qgrams[26]:'algebra.select' undefined in:
>> sel:any := algebra.select(b:bat[:str,:void], _27:oid, id:oid)
> ^^^^ ^^^ ^^^
> MAL strict typing (void != oid)?
> What does b's tail look like?
> Is it VOID-NIL (i.e., with NIL seqbase) or non-materialized dense OID ("VID")
> (i.e., with
> non-NIL seqbase)?
The problem was the bat creation I did
# var b := bat(str,void,len+4);
b := bat.new(:str,:void,len);
and it should be:
b := bat.new(:str,:oid,len);
^^^
Regards,
Romulo
>
>>>> Third question:
>>>> !SyntaxException:parseError: res := [+](c1, c2);
>>>> !SyntaxException:parseError: ^operator expected
>>> batcalc.+(c1,c2);
>> So for all the functions inside [<func>] I should use
>> batcalc.<func> , right?
>
> Right --- provided the is an explicit specific batcalc.<func> implementation
> in MAL for <func> --- in MIL the multiplexed [<func>] is generic for all
> scalar function <func>.
>
> Stefan
>
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