[Seaside] about roe update issue

danil osipchuk danil at tsnet.ru
Mon Mar 29 08:17:15 CEST 2004


Well, I believe you and will wait for updates :)

Avi Bryant wrote:


> SQL isn't a very good model of the relational algebra - it certainly has 
> industrial usage behind it, but as far as theory goes it's pretty 
> messy.  Now, to be useful ROE does have to output good SQL, so it can't 
> drift too far, but I don't think taking the path of directly mimicking 
> SQL is a good one.  I'll make that stronger: I've tried it, and it's a 
> really bad one.  The first incarnation of ROE was SqueakQL, an attempt 
> to model SQL in Squeak.  It was a nightmare.  The key insight of ROE was 
> that I could get a much simpler and cleaner implementation by going back 
> to the relational algebra source and modeling that instead, just using 
> SQL as an intermediate language to convey the algebraic expressions to 
> the database.
> 



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