psql-utils-0.2.0.0: PostgreSQL Simple util tools.

Safe HaskellNone
LanguageHaskell2010

Database.PSQL.Types

Synopsis

Documentation

data TablePrefix Source #

Instances
Show TablePrefix Source # 
Instance details

Defined in Database.PSQL.Types

IsString TablePrefix Source # 
Instance details

Defined in Database.PSQL.Types

data Connection #

Instances
Eq Connection 
Instance details

Defined in Database.PostgreSQL.Simple.Internal

data PSQL a Source #

Instances
Monad PSQL Source # 
Instance details

Defined in Database.PSQL.Types

Methods

(>>=) :: PSQL a -> (a -> PSQL b) -> PSQL b #

(>>) :: PSQL a -> PSQL b -> PSQL b #

return :: a -> PSQL a #

fail :: String -> PSQL a #

Functor PSQL Source # 
Instance details

Defined in Database.PSQL.Types

Methods

fmap :: (a -> b) -> PSQL a -> PSQL b #

(<$) :: a -> PSQL b -> PSQL a #

Applicative PSQL Source # 
Instance details

Defined in Database.PSQL.Types

Methods

pure :: a -> PSQL a #

(<*>) :: PSQL (a -> b) -> PSQL a -> PSQL b #

liftA2 :: (a -> b -> c) -> PSQL a -> PSQL b -> PSQL c #

(*>) :: PSQL a -> PSQL b -> PSQL b #

(<*) :: PSQL a -> PSQL b -> PSQL a #

MonadIO PSQL Source # 
Instance details

Defined in Database.PSQL.Types

Methods

liftIO :: IO a -> PSQL a #

runPSQLEnv :: HasPSQL env => env -> PSQL a -> IO a Source #

class HasPSQL u Source #

Minimal complete definition

psqlPool, tablePrefix

Instances
HasPSQL (SimpleEnv u) Source # 
Instance details

Defined in Database.PSQL.Types

data SimpleEnv u Source #

Instances
HasOtherEnv u (SimpleEnv u) Source # 
Instance details

Defined in Database.PSQL.Types

Methods

otherEnv :: SimpleEnv u -> u Source #

HasPSQL (SimpleEnv u) Source # 
Instance details

Defined in Database.PSQL.Types

class HasOtherEnv u a Source #

Minimal complete definition

otherEnv

Instances
HasOtherEnv u (SimpleEnv u) Source # 
Instance details

Defined in Database.PSQL.Types

Methods

otherEnv :: SimpleEnv u -> u Source #

otherEnv :: HasOtherEnv u a => a -> u Source #

data TableName Source #

Instances
Show TableName Source # 
Instance details

Defined in Database.PSQL.Types

IsString TableName Source # 
Instance details

Defined in Database.PSQL.Types

type Columns = [Column] Source #

data IndexName Source #

Instances
Show IndexName Source # 
Instance details

Defined in Database.PSQL.Types

IsString IndexName Source # 
Instance details

Defined in Database.PSQL.Types

getOnly :: FromRow (Only a) => [Only a] -> Maybe a Source #

getOnlyDefault :: FromRow (Only a) => a -> [Only a] -> a Source #

insertRet :: (ToRow a, FromRow (Only b)) => TableName -> Columns -> Column -> a -> b -> PSQL b Source #

select :: (ToRow a, FromRow b) => TableName -> Columns -> String -> a -> From -> Size -> OrderBy -> PSQL [b] Source #

selectOnly :: (ToRow a, FromRow (Only b)) => TableName -> Column -> String -> a -> From -> Size -> OrderBy -> PSQL [b] Source #

select_ :: FromRow b => TableName -> Columns -> From -> Size -> OrderBy -> PSQL [b] Source #

selectOnly_ :: FromRow (Only b) => TableName -> Column -> From -> Size -> OrderBy -> PSQL [b] Source #

selectOne :: (ToRow a, FromRow b) => TableName -> Columns -> String -> a -> PSQL (Maybe b) Source #

selectOneOnly :: (ToRow a, FromRow (Only b)) => TableName -> Column -> String -> a -> PSQL (Maybe b) Source #

type VersionList a = [Version a] Source #

class FromRow a where #

A collection type that can be converted from a sequence of fields. Instances are provided for tuples up to 10 elements and lists of any length.

Note that instances can be defined outside of postgresql-simple, which is often useful. For example, here's an instance for a user-defined pair:

data User = User { name :: String, fileQuota :: Int }

instance FromRow User where
    fromRow = User <$> field <*> field

The number of calls to field must match the number of fields returned in a single row of the query result. Otherwise, a ConversionFailed exception will be thrown.

You can also derive FromRow for your data type using GHC generics, like this:

{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric  #-}

import GHC.Generics (Generic)
import Database.PostgreSQL.Simple (FromRow)

data User = User { name :: String, fileQuota :: Int }
  deriving (Generic, FromRow)

Note that this only works for product types (e.g. records) and does not support sum types or recursive types.

Note that field evaluates its result to WHNF, so the caveats listed in mysql-simple and very early versions of postgresql-simple no longer apply. Instead, look at the caveats associated with user-defined implementations of fromField.

Minimal complete definition

Nothing

Methods

fromRow :: RowParser a #

Instances
FromField a => FromRow [a] 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser [a] #

FromField a => FromRow (Maybe [a]) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe [a]) #

(FromField a, FromField b) => FromRow (Maybe (a, b)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b)) #

(FromField a, FromField b, FromField c) => FromRow (Maybe (a, b, c)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c)) #

(FromField a, FromField b, FromField c, FromField d) => FromRow (Maybe (a, b, c, d)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d)) #

(FromField a, FromField b, FromField c, FromField d, FromField e) => FromRow (Maybe (a, b, c, d, e)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f) => FromRow (Maybe (a, b, c, d, e, f)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g) => FromRow (Maybe (a, b, c, d, e, f, g)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h) => FromRow (Maybe (a, b, c, d, e, f, g, h)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i) => FromRow (Maybe (a, b, c, d, e, f, g, h, i)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r, FromField s) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s)) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r, FromField s, FromField t) => FromRow (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t)) #

FromField a => FromRow (Maybe (Only a)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (Only a)) #

FromField a => FromRow (Maybe (Vector a)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (Vector a)) #

FromField a => FromRow (Only a) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Only a) #

FromField a => FromRow (Vector a) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Vector a) #

(FromField a, FromField b) => FromRow (a, b) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b) #

(FromRow a, FromRow b) => FromRow (a :. b) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a :. b) #

(FromField a, FromField b, FromField c) => FromRow (a, b, c) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c) #

(FromField a, FromField b, FromField c, FromField d) => FromRow (a, b, c, d) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d) #

(FromField a, FromField b, FromField c, FromField d, FromField e) => FromRow (a, b, c, d, e) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f) => FromRow (a, b, c, d, e, f) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g) => FromRow (a, b, c, d, e, f, g) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h) => FromRow (a, b, c, d, e, f, g, h) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i) => FromRow (a, b, c, d, e, f, g, h, i) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j) => FromRow (a, b, c, d, e, f, g, h, i, j) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k) => FromRow (a, b, c, d, e, f, g, h, i, j, k) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r, FromField s) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s) #

(FromField a, FromField b, FromField c, FromField d, FromField e, FromField f, FromField g, FromField h, FromField i, FromField j, FromField k, FromField l, FromField m, FromField n, FromField o, FromField p, FromField q, FromField r, FromField s, FromField t) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t) #

newtype Only a #

The 1-tuple type or single-value "collection".

This type is structurally equivalent to the Identity type, but its intent is more about serving as the anonymous 1-tuple type missing from Haskell for attaching typeclass instances.

Parameter usage example:

encodeSomething (Only (42::Int))

Result usage example:

xs <- decodeSomething
forM_ xs $ \(Only id) -> {- ... -}

Constructors

Only 

Fields

Instances
Functor Only 
Instance details

Defined in Data.Tuple.Only

Methods

fmap :: (a -> b) -> Only a -> Only b #

(<$) :: a -> Only b -> Only a #

Eq a => Eq (Only a) 
Instance details

Defined in Data.Tuple.Only

Methods

(==) :: Only a -> Only a -> Bool #

(/=) :: Only a -> Only a -> Bool #

Data a => Data (Only a) 
Instance details

Defined in Data.Tuple.Only

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Only a -> c (Only a) #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Only a) #

toConstr :: Only a -> Constr #

dataTypeOf :: Only a -> DataType #

dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Only a)) #

dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Only a)) #

gmapT :: (forall b. Data b => b -> b) -> Only a -> Only a #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Only a -> r #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Only a -> r #

gmapQ :: (forall d. Data d => d -> u) -> Only a -> [u] #

gmapQi :: Int -> (forall d. Data d => d -> u) -> Only a -> u #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> Only a -> m (Only a) #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Only a -> m (Only a) #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Only a -> m (Only a) #

Ord a => Ord (Only a) 
Instance details

Defined in Data.Tuple.Only

Methods

compare :: Only a -> Only a -> Ordering #

(<) :: Only a -> Only a -> Bool #

(<=) :: Only a -> Only a -> Bool #

(>) :: Only a -> Only a -> Bool #

(>=) :: Only a -> Only a -> Bool #

max :: Only a -> Only a -> Only a #

min :: Only a -> Only a -> Only a #

Read a => Read (Only a) 
Instance details

Defined in Data.Tuple.Only

Show a => Show (Only a) 
Instance details

Defined in Data.Tuple.Only

Methods

showsPrec :: Int -> Only a -> ShowS #

show :: Only a -> String #

showList :: [Only a] -> ShowS #

Generic (Only a) 
Instance details

Defined in Data.Tuple.Only

Associated Types

type Rep (Only a) :: Type -> Type #

Methods

from :: Only a -> Rep (Only a) x #

to :: Rep (Only a) x -> Only a #

NFData a => NFData (Only a) 
Instance details

Defined in Data.Tuple.Only

Methods

rnf :: Only a -> () #

FromField a => FromRow (Maybe (Only a)) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Maybe (Only a)) #

FromField a => FromRow (Only a) 
Instance details

Defined in Database.PostgreSQL.Simple.FromRow

Methods

fromRow :: RowParser (Only a) #

ToField a => ToRow (Only a) 
Instance details

Defined in Database.PostgreSQL.Simple.ToRow

Methods

toRow :: Only a -> [Action] #

type Rep (Only a) 
Instance details

Defined in Data.Tuple.Only

type Rep (Only a) = D1 (MetaData "Only" "Data.Tuple.Only" "Only-0.1-4eYnxvcrr7tEbYgCvIkHLb" True) (C1 (MetaCons "Only" PrefixI True) (S1 (MetaSel (Just "fromOnly") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 a)))

data OrderBy Source #

Instances
Eq OrderBy Source # 
Instance details

Defined in Database.PSQL.Types

Methods

(==) :: OrderBy -> OrderBy -> Bool #

(/=) :: OrderBy -> OrderBy -> Bool #

Show OrderBy Source # 
Instance details

Defined in Database.PSQL.Types

Generic OrderBy Source # 
Instance details

Defined in Database.PSQL.Types

Associated Types

type Rep OrderBy :: Type -> Type #

Methods

from :: OrderBy -> Rep OrderBy x #

to :: Rep OrderBy x -> OrderBy #

Hashable OrderBy Source # 
Instance details

Defined in Database.PSQL.Types

Methods

hashWithSalt :: Int -> OrderBy -> Int #

hash :: OrderBy -> Int #

type Rep OrderBy Source # 
Instance details

Defined in Database.PSQL.Types

type Rep OrderBy = D1 (MetaData "OrderBy" "Database.PSQL.Types" "psql-utils-0.2.0.0-Deho2j0iuFX5udS1yvmz0n" False) (C1 (MetaCons "Desc" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 String)) :+: (C1 (MetaCons "Asc" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 String)) :+: C1 (MetaCons "None" PrefixI False) (U1 :: Type -> Type)))