Isn't this sort of functionality covered by the "In" proposal? On Fri, May 13, 2011 at 5:25 AM, Rick Richardson wrote:

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 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@haskell.org http://www.haskell.org/mailman/listinfo/web-devel

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