PostgreSQL.Result.Cell

Things in this module are dedicated to parsing Postgres values independent of their format or type.

Documentation

newtype Cell a

Cell value parser

Since: 0.0.0

Constructors

Cell

Fields

• parseCell :: Value -> Either (NonEmpty Text) a

Instances

Functor Cell

Since: 0.0.0

Defined in PostgreSQL.Result.Cell

Methods

fmap :: (a -> b) -> Cell a -> Cell b

(<$) :: a -> Cell b -> Cell a

Alt Cell

Since: 0.0.0

Defined in PostgreSQL.Result.Cell

Methods

(<!>) :: Cell a -> Cell a -> Cell a

some :: Applicative Cell => Cell a -> Cell [a]

many :: Applicative Cell => Cell a -> Cell [a]

ignored :: Cell ()

Do not parse the cell at all.

Since: 0.0.0

raw :: Cell ByteString

Get the raw cell value. Does not allow NULL.

Since: 0.0.0

text :: Cell Text

Parse as UTF-8 Text. Does not allow NULL.

Since: 0.0.0

readable :: Read a => Cell a

Parse something using its Read instance via text. Rejects NULL values.

Since: 0.0.0

validate :: Cell a -> (a -> Either Text b) -> Cell b

Validate the given cell parser.

Since: 0.0.0