[elephant-devel] Staus of the port of Ian's new functional toCL-SQL backend....

Ian Eslick eslick at media.mit.edu
Mon May 5 12:30:11 UTC 2008


Awesome!  Thank you Robert.

Henrik?  Alex?

Ian

On May 4, 2008, at 10:50 PM, Robert L. Read wrote:

> I have now committed an all-green solution for the CL-SQL backend to
> elephant-unstable.
>
> I don't know that it will help the Postmodern work much --- perhaps  
> just
> as a pointer for what needs to be done.
>
> Nonetheless, it is ready for someone who wants to work on making
> Postmodern work with elephant-unstable to review if they like.
>
>
>
>
>
> On Sun, 2008-05-04 at 10:37 +0300, Alex Mizrahi wrote:
>> RLR> implementing a new kind of btree that supports duplicates  
>> (hard).
>>
>> ain't btree with duplicates very similar to btree-index thing,  
>> because
>> btree-index also supports duplicates?
>>
>> RLR> Since Postmodern uses the same kind of cursor control that the  
>> CL-SQL
>> RLR> backend does,
>>
>> why do you think so? cursor are probably biggest difference between  
>> CL-SQL
>> and postmodern -- instead of reading everything and sorting on lisp  
>> side, we
>> use sorting done by postgresql, and pick stuff in portions, i.e.  
>> cursor-next
>> is something like:
>>
>> SELECT k, v FROM btree11 WHERE ((k = $1) and (v > $2)) OR (k > $1)  
>> LIMIT 10
>>
>> _______________________________________________
>> elephant-devel site list
>> elephant-devel at common-lisp.net
>> http://common-lisp.net/mailman/listinfo/elephant-devel
>
> _______________________________________________
> elephant-devel site list
> elephant-devel at common-lisp.net
> http://common-lisp.net/mailman/listinfo/elephant-devel




More information about the elephant-devel mailing list