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module Database.MySQL.Simple.QueryParams
(
QueryParams(..)
) where
import Database.MySQL.Simple.Param (Action(..), Param(..))
import Database.MySQL.Simple.Types (Only(..))
class QueryParams a where
renderParams :: a -> [Action]
instance QueryParams () where
renderParams _ = []
instance (Param a) => QueryParams (Only a) where
renderParams (Only v) = [render v]
instance (Param a, Param b) => QueryParams (a,b) where
renderParams (a,b) = [render a, render b]
instance (Param a, Param b, Param c) => QueryParams (a,b,c) where
renderParams (a,b,c) = [render a, render b, render c]
instance (Param a, Param b, Param c, Param d) => QueryParams (a,b,c,d) where
renderParams (a,b,c,d) = [render a, render b, render c, render d]
instance (Param a, Param b, Param c, Param d, Param e)
=> QueryParams (a,b,c,d,e) where
renderParams (a,b,c,d,e) =
[render a, render b, render c, render d, render e]
instance (Param a, Param b, Param c, Param d, Param e, Param f)
=> QueryParams (a,b,c,d,e,f) where
renderParams (a,b,c,d,e,f) =
[render a, render b, render c, render d, render e, render f]
instance (Param a, Param b, Param c, Param d, Param e, Param f, Param g)
=> QueryParams (a,b,c,d,e,f,g) where
renderParams (a,b,c,d,e,f,g) =
[render a, render b, render c, render d, render e, render f, render g]
instance (Param a, Param b, Param c, Param d, Param e, Param f, Param g,
Param h)
=> QueryParams (a,b,c,d,e,f,g,h) where
renderParams (a,b,c,d,e,f,g,h) =
[render a, render b, render c, render d, render e, render f, render g,
render h]
instance (Param a, Param b, Param c, Param d, Param e, Param f, Param g,
Param h, Param i)
=> QueryParams (a,b,c,d,e,f,g,h,i) where
renderParams (a,b,c,d,e,f,g,h,i) =
[render a, render b, render c, render d, render e, render f, render g,
render h, render i]
instance (Param a, Param b, Param c, Param d, Param e, Param f, Param g,
Param h, Param i, Param j)
=> QueryParams (a,b,c,d,e,f,g,h,i,j) where
renderParams (a,b,c,d,e,f,g,h,i,j) =
[render a, render b, render c, render d, render e, render f, render g,
render h, render i, render j]
instance (Param a) => QueryParams [a] where
renderParams = map render
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