Database.ODBC.Conversion

Conversion conveniences.

Documentation

class FromValue a where

Convert from a Value to a regular Haskell value.

Minimal complete definition

fromValue

Methods

fromValue :: Value -> Either String a

The String is used for a helpful error message.

Instances

FromValue Bool

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Bool

FromValue Double

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Double

FromValue Float

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Float

FromValue Int

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Int

FromValue Word8

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Word8

FromValue ByteString

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String ByteString

FromValue ByteString

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String ByteString

FromValue Text

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Text

FromValue Text

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Text

FromValue LocalTime

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String LocalTime

FromValue TimeOfDay

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String TimeOfDay

FromValue Day

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Day

FromValue Binary

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Binary

FromValue Value

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String Value

FromValue Smalldatetime

Defined in Database.ODBC.SQLServer

Methods

fromValue :: Value -> Either String Smalldatetime

FromValue Datetime2

Defined in Database.ODBC.SQLServer

Methods

fromValue :: Value -> Either String Datetime2

FromValue a => FromValue (Maybe a)

Defined in Database.ODBC.Conversion

Methods

fromValue :: Value -> Either String (Maybe a)

class FromRow r where

For producing rows from a list of column values.

You can get a row of a single type like Text or a list e.g. [Maybe Value] if you don't know what you're dealing with, or a tuple e.g. (Text, Int, Bool).

Minimal complete definition

fromRow

Methods

fromRow :: [Value] -> Either String r

Instances

FromRow Bool

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Bool

FromRow Double

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Double

FromRow Float

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Float

FromRow Int

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Int

FromRow Word8

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Word8

FromRow ByteString

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String ByteString

FromRow ByteString

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String ByteString

FromRow Text

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Text

FromRow Text

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Text

FromRow LocalTime

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String LocalTime

FromRow TimeOfDay

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String TimeOfDay

FromRow Day

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Day

FromRow Binary

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Binary

FromRow Value

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String Value

FromRow [Value]

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String [Value]

FromValue v => FromRow (Maybe v)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (Maybe v)

FromValue v => FromRow (Identity v)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (Identity v)

(FromValue a, FromValue b) => FromRow (a, b)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b)

(FromValue a, FromValue b, FromValue c) => FromRow (a, b, c)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c)

(FromValue a, FromValue b, FromValue c, FromValue d) => FromRow (a, b, c, d)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e) => FromRow (a, b, c, d, e)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f) => FromRow (a, b, c, d, e, f)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g) => FromRow (a, b, c, d, e, f, g)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g, FromValue h) => FromRow (a, b, c, d, e, f, g, h)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g, FromValue h, FromValue i) => FromRow (a, b, c, d, e, f, g, h, i)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u)

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

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g, FromValue h, FromValue i, FromValue j, FromValue k, FromValue l, FromValue m, FromValue n, FromValue o, FromValue p, FromValue q, FromValue r, FromValue s, FromValue t, FromValue u, FromValue v, FromValue w) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g, FromValue h, FromValue i, FromValue j, FromValue k, FromValue l, FromValue m, FromValue n, FromValue o, FromValue p, FromValue q, FromValue r, FromValue s, FromValue t, FromValue u, FromValue v, FromValue w, FromValue x) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x)

(FromValue a, FromValue b, FromValue c, FromValue d, FromValue e, FromValue f, FromValue g, FromValue h, FromValue i, FromValue j, FromValue k, FromValue l, FromValue m, FromValue n, FromValue o, FromValue p, FromValue q, FromValue r, FromValue s, FromValue t, FromValue u, FromValue v, FromValue w, FromValue x, FromValue y) => FromRow (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y)

Defined in Database.ODBC.Conversion

Methods

fromRow :: [Value] -> Either String (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y)