Safe Haskell	Safe-Inferred
Language	Haskell2010

Database.Esqueleto.TextSearch.Types

Synopsis

data TsQuery (a :: QueryType) where
- Lexeme :: Position -> [Weight] -> Text -> TsQuery Lexemes
- Word :: Position -> [Weight] -> Text -> TsQuery Words
- (:&) :: TsQuery a -> TsQuery a -> TsQuery a
- (:|) :: TsQuery a -> TsQuery a -> TsQuery a
- Not :: TsQuery a -> TsQuery a
type Words = 'Words
type Lexemes = 'Lexemes
data TsVector
defaultTsVector :: TsVector
data RegConfig
data NormalizationOption
- = NormNone
- | Norm1LogLength
- | NormLength
- | NormMeanHarmDist
- | NormUniqueWords
- | Norm1LogUniqueWords
- | Norm1Self
data Weight
- = Highest
- | High
- | Medium
- | Low
defaultWeights :: Weights
data Weights = Weights {
- dWeight :: !Double
- cWeight :: !Double
- bWeight :: !Double
- aWeight :: !Double
}
data Position
- = Prefix
- | Infix
word :: Text -> TsQuery Words
queryToText :: TsQuery a -> Text
textToQuery :: Text -> Either ParseError (TsQuery Lexemes)

Documentation

data TsQuery (a :: QueryType) where Source #

Constructors

Lexeme :: Position -> [Weight] -> Text -> TsQuery Lexemes
Word :: Position -> [Weight] -> Text -> TsQuery Words
(:&) :: TsQuery a -> TsQuery a -> TsQuery a infixr 3
(:\|) :: TsQuery a -> TsQuery a -> TsQuery a infixr 2
Not :: TsQuery a -> TsQuery a

Instances

Instances details

a ~ Words => IsString (TsQuery a) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods fromString :: String -> TsQuery a #
Show (TsQuery a) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> TsQuery a -> ShowS # show :: TsQuery a -> String # showList :: [TsQuery a] -> ShowS #
Eq (TsQuery a) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: TsQuery a -> TsQuery a -> Bool # (/=) :: TsQuery a -> TsQuery a -> Bool #
PersistField (TsQuery Lexemes) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: TsQuery Lexemes -> PersistValue # fromPersistValue :: PersistValue -> Either Text (TsQuery Lexemes) #
PersistField (TsQuery Words) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: TsQuery Words -> PersistValue # fromPersistValue :: PersistValue -> Either Text (TsQuery Words) #
PersistFieldSql (TsQuery Lexemes) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy (TsQuery Lexemes) -> SqlType #
PersistFieldSql (TsQuery Words) Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy (TsQuery Words) -> SqlType #

type Words = 'Words Source #

type Lexemes = 'Lexemes Source #

data TsVector Source #

Instances

Instances details

IsString TsVector Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods fromString :: String -> TsVector #
Show TsVector Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> TsVector -> ShowS # show :: TsVector -> String # showList :: [TsVector] -> ShowS #
Eq TsVector Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: TsVector -> TsVector -> Bool # (/=) :: TsVector -> TsVector -> Bool #
PersistField TsVector Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: TsVector -> PersistValue # fromPersistValue :: PersistValue -> Either Text TsVector #
PersistFieldSql TsVector Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy TsVector -> SqlType #

defaultTsVector :: TsVector Source #

data RegConfig Source #

regconfig is the object identifier type which represents the text search configuration in Postgres: http://www.postgresql.org/docs/9.3/static/datatype-oid.html

this could for example be a language or simple.

Instances

Instances details

IsString RegConfig Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods fromString :: String -> RegConfig #
Show RegConfig Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> RegConfig -> ShowS # show :: RegConfig -> String # showList :: [RegConfig] -> ShowS #
Eq RegConfig Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: RegConfig -> RegConfig -> Bool # (/=) :: RegConfig -> RegConfig -> Bool #
PersistField RegConfig Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: RegConfig -> PersistValue # fromPersistValue :: PersistValue -> Either Text RegConfig #
PersistFieldSql RegConfig Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy RegConfig -> SqlType #

data NormalizationOption Source #

Constructors

NormNone
Norm1LogLength
NormLength
NormMeanHarmDist
NormUniqueWords
Norm1LogUniqueWords
Norm1Self

Instances

Instances details

Bounded NormalizationOption Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods minBound :: NormalizationOption # maxBound :: NormalizationOption #
Enum NormalizationOption Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods succ :: NormalizationOption -> NormalizationOption # pred :: NormalizationOption -> NormalizationOption # toEnum :: Int -> NormalizationOption # fromEnum :: NormalizationOption -> Int # enumFrom :: NormalizationOption -> [NormalizationOption] # enumFromThen :: NormalizationOption -> NormalizationOption -> [NormalizationOption] # enumFromTo :: NormalizationOption -> NormalizationOption -> [NormalizationOption] # enumFromThenTo :: NormalizationOption -> NormalizationOption -> NormalizationOption -> [NormalizationOption] #
Show NormalizationOption Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> NormalizationOption -> ShowS # show :: NormalizationOption -> String # showList :: [NormalizationOption] -> ShowS #
Eq NormalizationOption Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: NormalizationOption -> NormalizationOption -> Bool # (/=) :: NormalizationOption -> NormalizationOption -> Bool #
PersistField [NormalizationOption] Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: [NormalizationOption] -> PersistValue # fromPersistValue :: PersistValue -> Either Text [NormalizationOption] #
PersistFieldSql [NormalizationOption] Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy [NormalizationOption] -> SqlType #

data Weight Source #

Constructors

Highest
High
Medium
Low

Instances

Instances details

Show Weight Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> Weight -> ShowS # show :: Weight -> String # showList :: [Weight] -> ShowS #
Eq Weight Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: Weight -> Weight -> Bool # (/=) :: Weight -> Weight -> Bool #
PersistField Weight Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: Weight -> PersistValue # fromPersistValue :: PersistValue -> Either Text Weight #
PersistFieldSql Weight Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy Weight -> SqlType #

defaultWeights :: Weights Source #

data Weights Source #

Constructors

Weights
Fields dWeight :: !Double cWeight :: !Double bWeight :: !Double aWeight :: !Double

Instances

Instances details

Show Weights Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> Weights -> ShowS # show :: Weights -> String # showList :: [Weights] -> ShowS #
Eq Weights Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: Weights -> Weights -> Bool # (/=) :: Weights -> Weights -> Bool #
PersistField Weights Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods toPersistValue :: Weights -> PersistValue # fromPersistValue :: PersistValue -> Either Text Weights #
PersistFieldSql Weights Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods sqlType :: Proxy Weights -> SqlType #

data Position Source #

Constructors

Prefix
Infix

Instances

Instances details

Show Position Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods showsPrec :: Int -> Position -> ShowS # show :: Position -> String # showList :: [Position] -> ShowS #
Eq Position Source #
Instance details Defined in Database.Esqueleto.TextSearch.Types Methods (==) :: Position -> Position -> Bool # (/=) :: Position -> Position -> Bool #

word :: Text -> TsQuery Words Source #

queryToText :: TsQuery a -> Text Source #

textToQuery :: Text -> Either ParseError (TsQuery Lexemes) Source #