[web-devel] Sql join feature in persistent

Антон Чешков acheshkov at gmail.com
Tue Feb 22 17:34:27 CET 2011

Greg thank you for good links, it is very useful because i do not want
the wheel ;)

2011/2/22 Greg Weber <greg at gregweber.info>

> The basic Persistent backend is designed without joins ("web-scale"), and
> with the idea that it should be SQL agnostic. App-level join functionality
> is definitely needed.
> If someone wanted to design a layer on top of it with other SQL features
> that just the SQL backends can use that is fine. However, this might start
> re-inventing the wheel. For those interested in SQL joins and otherwise
> advanced SQL queries, it would be great if they started trying out a better
> tool for the job, like the recently released DSH [1] or (bitrotting?)
> HaskellDB. Relational Algebra sql query libraries can be very productive to
> use for 95% of use cases, even if they aren't "web-scale".
> [1] http://hackage.haskell.org/package/DSH
> [2] http://hackage.haskell.org/package/TableAlgebra
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Best regards,
Cheshkov Anton
Phone: +7 909 005 18 82
Phone: +7 931 511 47 37
Skype: cheshkov_anton
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