-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | PostgreSQL Simple util tools.
--   
--   An easy way to use postgresql-simple library.
@package psql-utils
@version 0.2.0.0

module Database.PSQL.Config
data PSQL
PSQL :: String -> String -> Word16 -> String -> String -> Int -> NominalDiffTime -> Int -> Int -> PSQL
[psqlDBName] :: PSQL -> String
[psqlHost] :: PSQL -> String
[psqlPort] :: PSQL -> Word16
[psqlUser] :: PSQL -> String
[psqlPass] :: PSQL -> String

-- | The number of stripes (distinct sub-pools) to maintain.
[psqlPoolNumStrips] :: PSQL -> Int

-- | Amount of time for which an unused resource is kept alive.
[psqlPoolIdleTime] :: PSQL -> NominalDiffTime

-- | Maximum number of resources to maintain per stripe. The
[psqlPoolMaxResources] :: PSQL -> Int
[psqlHaxlNumThreads] :: PSQL -> Int
genPSQLPool :: PSQL -> IO (Pool Connection)
instance GHC.Show.Show Database.PSQL.Config.PSQL
instance Data.Aeson.Types.FromJSON.FromJSON Database.PSQL.Config.PSQL

module Database.PSQL.Types
data TablePrefix
data Connection
type PSQLPool = Pool Connection
data PSQL a
runPSQL :: TablePrefix -> Connection -> PSQL a -> IO a
runPSQLPool :: TablePrefix -> PSQLPool -> PSQL a -> IO a
runPSQLEnv :: HasPSQL env => env -> PSQL a -> IO a
getTablePrefix :: PSQL TablePrefix
class HasPSQL u
psqlPool :: HasPSQL u => u -> PSQLPool
tablePrefix :: HasPSQL u => u -> TablePrefix
data SimpleEnv u
simpleEnv :: Pool Connection -> TablePrefix -> u -> SimpleEnv u
class HasOtherEnv u a
otherEnv :: HasOtherEnv u a => a -> u
data TableName
getTableName :: TablePrefix -> TableName -> String
type Columns = [Column]
createTable :: TableName -> Columns -> PSQL Int64
constraintPrimaryKey :: TablePrefix -> TableName -> Columns -> Column
getIndexName :: TablePrefix -> TableName -> IndexName -> String
data IndexName
createIndex :: Bool -> TableName -> IndexName -> Columns -> PSQL Int64
getOnly :: FromRow (Only a) => [Only a] -> Maybe a
getOnlyDefault :: FromRow (Only a) => a -> [Only a] -> a
insert :: ToRow a => TableName -> Columns -> a -> PSQL Int64
insertRet :: (ToRow a, FromRow (Only b)) => TableName -> Columns -> Column -> a -> b -> PSQL b
insertOrUpdate :: ToRow a => TableName -> Columns -> Columns -> Columns -> a -> PSQL Int64
update :: ToRow a => TableName -> Columns -> String -> a -> PSQL Int64
delete :: ToRow a => TableName -> String -> a -> PSQL Int64
delete_ :: TableName -> PSQL Int64
count :: ToRow a => TableName -> String -> a -> PSQL Int64
count_ :: TableName -> PSQL Int64
select :: (ToRow a, FromRow b) => TableName -> Columns -> String -> a -> From -> Size -> OrderBy -> PSQL [b]
selectOnly :: (ToRow a, FromRow (Only b)) => TableName -> Column -> String -> a -> From -> Size -> OrderBy -> PSQL [b]
select_ :: FromRow b => TableName -> Columns -> From -> Size -> OrderBy -> PSQL [b]
selectOnly_ :: FromRow (Only b) => TableName -> Column -> From -> Size -> OrderBy -> PSQL [b]
selectOne :: (ToRow a, FromRow b) => TableName -> Columns -> String -> a -> PSQL (Maybe b)
selectOneOnly :: (ToRow a, FromRow (Only b)) => TableName -> Column -> String -> a -> PSQL (Maybe b)
type VersionList a = [Version a]
mergeDatabase :: VersionList a -> PSQL ()

-- | 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:
--   
--   <pre>
--   data User = User { name :: String, fileQuota :: Int }
--   
--   instance <a>FromRow</a> User where
--       fromRow = User &lt;$&gt; <a>field</a> &lt;*&gt; <a>field</a>
--   </pre>
--   
--   The number of calls to <a>field</a> must match the number of fields
--   returned in a single row of the query result. Otherwise, a
--   <a>ConversionFailed</a> exception will be thrown.
--   
--   You can also derive <a>FromRow</a> for your data type using GHC
--   generics, like this:
--   
--   <pre>
--   {-# LANGUAGE DeriveAnyClass #-}
--   {-# LANGUAGE DeriveGeneric  #-}
--   
--   import <a>GHC.Generics</a> (<a>Generic</a>)
--   import <a>Database.PostgreSQL.Simple</a> (<a>FromRow</a>)
--   
--   data User = User { name :: String, fileQuota :: Int }
--     deriving (<a>Generic</a>, <a>FromRow</a>)
--   </pre>
--   
--   Note that this only works for product types (e.g. records) and does
--   not support sum types or recursive types.
--   
--   Note that <a>field</a> 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 <a>fromField</a>.
class FromRow a
fromRow :: FromRow a => RowParser a
field :: FromField a => RowParser a

-- | The 1-tuple type or single-value "collection".
--   
--   This type is structurally equivalent to the <a>Identity</a> type, but
--   its intent is more about serving as the anonymous 1-tuple type missing
--   from Haskell for attaching typeclass instances.
--   
--   Parameter usage example:
--   
--   <pre>
--   encodeSomething (<a>Only</a> (42::Int))
--   </pre>
--   
--   Result usage example:
--   
--   <pre>
--   xs &lt;- decodeSomething
--   forM_ xs $ \(<a>Only</a> id) -&gt; {- ... -}
--   </pre>
newtype Only a
Only :: a -> Only a
[fromOnly] :: Only a -> a
data SqlError
SqlError :: ByteString -> ExecStatus -> ByteString -> ByteString -> ByteString -> SqlError
[sqlState] :: SqlError -> ByteString
[sqlExecStatus] :: SqlError -> ExecStatus
[sqlErrorMsg] :: SqlError -> ByteString
[sqlErrorDetail] :: SqlError -> ByteString
[sqlErrorHint] :: SqlError -> ByteString
data OrderBy
asc :: String -> OrderBy
desc :: String -> OrderBy
none :: OrderBy
instance GHC.Classes.Eq Database.PSQL.Types.OrderBy
instance GHC.Generics.Generic Database.PSQL.Types.OrderBy
instance GHC.Show.Show Database.PSQL.Types.IndexName
instance GHC.Show.Show Database.PSQL.Types.Column
instance GHC.Show.Show Database.PSQL.Types.TableName
instance GHC.Show.Show Database.PSQL.Types.TablePrefix
instance Data.Hashable.Class.Hashable Database.PSQL.Types.OrderBy
instance GHC.Show.Show Database.PSQL.Types.OrderBy
instance Data.String.IsString Database.PSQL.Types.IndexName
instance Data.String.IsString Database.PSQL.Types.Column
instance Data.String.IsString Database.PSQL.Types.TableName
instance Database.PSQL.Types.HasPSQL (Database.PSQL.Types.SimpleEnv u)
instance Database.PSQL.Types.HasOtherEnv u (Database.PSQL.Types.SimpleEnv u)
instance GHC.Base.Functor Database.PSQL.Types.PSQL
instance GHC.Base.Applicative Database.PSQL.Types.PSQL
instance GHC.Base.Monad Database.PSQL.Types.PSQL
instance Control.Monad.IO.Class.MonadIO Database.PSQL.Types.PSQL
instance Data.String.IsString Database.PSQL.Types.TablePrefix