[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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