module Opaleye.Internal.Locking where
import qualified Opaleye.Internal.QueryArr as Q
import qualified Opaleye.Internal.PrimQuery as PQ
forUpdate :: Q.Select a -> Q.Select a
forUpdate :: forall a. Select a -> Select a
forUpdate Select a
s = State Tag (a, PrimQuery) -> Select a
forall a. State Tag (a, PrimQuery) -> Query a
Q.productQueryArr (State Tag (a, PrimQuery) -> Select a)
-> State Tag (a, PrimQuery) -> Select a
forall a b. (a -> b) -> a -> b
$ do
(a
a, PrimQuery
query) <- Select a -> State Tag (a, PrimQuery)
forall a. Select a -> State Tag (a, PrimQuery)
Q.runSimpleSelect Select a
s
(a, PrimQuery) -> State Tag (a, PrimQuery)
forall a. a -> StateT Tag Identity a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (a
a, PrimQuery -> PrimQuery
forall a. PrimQuery' a -> PrimQuery' a
PQ.ForUpdate PrimQuery
query)