Database.Selda.JSON

Documentation

class JSONBackend b where

Any backend that supports JSON lookups in queries.

Methods

(~>) :: JSONValue a => Col b a -> Col b Text -> Col b (Maybe Value) infixl 8

Look up the given key in the given JSON column.

jsonToText :: Col b Value -> Col b Text

Convert the given JSON column to plain text.

Instances

JSONBackend b => JSONBackend (Inner b)

Defined in Database.Selda.JSON

Methods

(~>) :: JSONValue a => Col (Inner b) a -> Col (Inner b) Text -> Col (Inner b) (Maybe Value)

jsonToText :: Col (Inner b) Value -> Col (Inner b) Text

Orphan instances

SqlType Value

Methods

mkLit :: Value -> Lit Value

sqlType :: Proxy Value -> SqlTypeRep

fromSql :: SqlValue -> Value

defaultValue :: Lit Value