Safe Haskell	None
Language	Haskell2010

PostgresqlTypes.Float8

Contents

Accessors
Constructors

Synopsis

Documentation

newtype Float8 Source #

PostgreSQL float8 type. 8-byte floating-point number. 15 decimal digits precision.

PostgreSQL docs.

Constructors

Float8 Double

Instances

Instances details

Arbitrary Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods arbitrary :: Gen Float8 # shrink :: Float8 -> [Float8] #
Eq Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods (==) :: Float8 -> Float8 -> Bool # (/=) :: Float8 -> Float8 -> Bool #
Ord Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods compare :: Float8 -> Float8 -> Ordering # (<) :: Float8 -> Float8 -> Bool # (<=) :: Float8 -> Float8 -> Bool # (>) :: Float8 -> Float8 -> Bool # (>=) :: Float8 -> Float8 -> Bool # max :: Float8 -> Float8 -> Float8 # min :: Float8 -> Float8 -> Float8 #
IsString Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods fromString :: String -> Float8 #
Read Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods readsPrec :: Int -> ReadS Float8 # readList :: ReadS [Float8] # readPrec :: ReadPrec Float8 # readListPrec :: ReadPrec [Float8] #
Show Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods showsPrec :: Int -> Float8 -> ShowS # show :: Float8 -> String # showList :: [Float8] -> ShowS #
Hashable Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods hashWithSalt :: Int -> Float8 -> Int # hash :: Float8 -> Int #
IsScalar Float8 Source #
Instance details Defined in PostgresqlTypes.Float8 Methods schemaName :: Tagged Float8 (Maybe Text) # typeName :: Tagged Float8 Text # baseOid :: Tagged Float8 (Maybe Word32) # arrayOid :: Tagged Float8 (Maybe Word32) # typeParams :: Tagged Float8 [Text] # typeSignature :: Tagged Float8 Text # binaryEncoder :: Float8 -> Write # binaryDecoder :: Variable (Either DecodingError Float8) # textualEncoder :: Float8 -> TextBuilder # textualDecoder :: Parser Float8 #

Accessors

toDouble :: Float8 -> Double Source #

Extract the underlying Double value.

Constructors

fromDouble :: Double -> Float8 Source #

Construct a PostgreSQL Float8 from a Double value.