[web-devel] Yesod. Persistent. The little problem

[Rick Richardson]

This is a good candidate for raw where clauses in the spirit of RoR's active
record.  (How we make those type-safe, I don't know.. I'll give it some
thought)


On Thu, May 12, 2011 at 2:24 PM, Max Cantor <mxcantor at gmail.com> wrote:

> liftM2 (nub . (++)) (selectList [TableF1Eq v1, TableF2Eq v2] [] 0 0)
>                    (selectList [TableF1Eq v1, TableF3Eq v2] [] 0 0)
>
> its not very efficient, and mike will yell at me for using nub, but its
> good enough for 230 am.
>
> goodnight, max
>
> On May 13, 2011, at 2:15 AM, Anton Cheshkov wrote:
>
> > Hi All,
> >
> > i have the difficulty to  build query kind of
> >
> > select * from Table T where T.f1 = v1 and (T.f2 = v2 or T.f3 = v2)
> >
> > how to make this one with Yesod Persistent. Are there any ideas ?
> >
> > Thanks.
> >
> >
> > --
> > Best regards,
> > Cheshkov Anton
> > Phone: +7 909 005 18 82
> > Skype: cheshkov_anton
> > _______________________________________________
> > web-devel mailing list
> > web-devel at haskell.org
> > http://www.haskell.org/mailman/listinfo/web-devel
>
>
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