[web-devel] Yesod. Persistent. Disjunction

[Greg Weber]

I am adding documentation for 'In'. It is used the same as GT, LT, etc

On Sun, Mar 13, 2011 at 9:28 AM, Max Cantor <mxcantor at gmail.com> wrote:

> (liftM2 (++)) (selectList [TblCol1Eq 1] [] 0 0) (selectList [TblCol1Eq 2]
> [] 0 0)
>
> there are far more efficient ways to concatenate the two lists, but thats
> basically the jist of it..
>
> do the logic on the app side, its better that way and far more scalable.
>
> max
>
> On Mar 13, 2011, at 10:18 PM, Anton Cheshkov wrote:
>
> > Hi Michael.
> >
> > Please show  the way how to perform a query for persistent in disjunction
> form.
> > For example
> >
> > select * from Table t where t.c1 = 1 or t.с1 = 2
> >
> > Now, for example, selectList function applies filters in conjunctive.
> >
> > After that it would be great to see how to make query like
> > select * from Table t where t.c1 in [1, 2]
> >
> > 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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