Database.Bolt.Extras.DSL

Documentation

data NodeSelector

Selector for Nodes.

Constructors

NodeSelector

Fields

• nodeIdentifier :: Maybe Text
• nodeLabels :: [Text]
• nodeProperties :: [(Text, Value)]

Instances

Eq NodeSelector

Methods

(==) :: NodeSelector -> NodeSelector -> Bool

(/=) :: NodeSelector -> NodeSelector -> Bool

Show NodeSelector

Methods

showsPrec :: Int -> NodeSelector -> ShowS

show :: NodeSelector -> String

showList :: [NodeSelector] -> ShowS

data RelSelector

Selector for URelationships.

Constructors

RelSelector

Fields

• relIdentifier :: Maybe Text
• relLabel :: Text
• relProperties :: [(Text, Value)]

Instances

Eq RelSelector

Methods

(==) :: RelSelector -> RelSelector -> Bool

(/=) :: RelSelector -> RelSelector -> Bool

Show RelSelector

Methods

showsPrec :: Int -> RelSelector -> ShowS

show :: RelSelector -> String

showList :: [RelSelector] -> ShowS

data PathPart

Selector for paths.

Constructors

RelSelector :!->: NodeSelector infixl 2

RelSelector :!-: NodeSelector infixl 2

Instances

Eq PathPart

Methods

(==) :: PathPart -> PathPart -> Bool

(/=) :: PathPart -> PathPart -> Bool

Show PathPart

Methods

showsPrec :: Int -> PathPart -> ShowS

show :: PathPart -> String

showList :: [PathPart] -> ShowS

data PathSelector

Constructors

PathSelector :-!: PathPart infixl 1

PathSelector :<-!: PathPart infixl 1

P NodeSelector

Instances

Eq PathSelector

Methods

(==) :: PathSelector -> PathSelector -> Bool

(/=) :: PathSelector -> PathSelector -> Bool

Show PathSelector

Methods

showsPrec :: Int -> PathSelector -> ShowS

show :: PathSelector -> String

showList :: [PathSelector] -> ShowS

data Selector

Constructors

PS PathSelector

TS Text

Instances

Eq Selector

Methods

(==) :: Selector -> Selector -> Bool

(/=) :: Selector -> Selector -> Bool

Show Selector

Methods

showsPrec :: Int -> Selector -> ShowS

show :: Selector -> String

showList :: [Selector] -> ShowS

type Selectors = [Selector]

type Cond = [Text]

data Expr next

Expression in Cypher language.

Constructors

Create Selectors next

Match Selectors next

OptionalMatch Selectors next

Merge Selectors next

Where Cond next

Set [Text] next

Delete [Text] next

DetachDelete [Text] next

Return [Text] next

Text Text next

Instances

Functor Expr

Methods

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

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

Eq next => Eq (Expr next)

Methods

(==) :: Expr next -> Expr next -> Bool

(/=) :: Expr next -> Expr next -> Bool

Show next => Show (Expr next)

Methods

showsPrec :: Int -> Expr next -> ShowS

show :: Expr next -> String

showList :: [Expr next] -> ShowS

class SelectorLike a where

Class for Selectors, which can update identifier, labels and props.

Minimal complete definition

withIdentifier, withLabel, withProp

Methods

withIdentifier :: Text -> a -> a

withLabel :: Text -> a -> a

withProp :: (Text, Value) -> a -> a

(#) :: a -> (a -> b) -> b

defaultNode :: NodeSelector

defaultRel :: RelSelector

toNodeSelector :: Node -> NodeSelector

toRelSelector :: URelationship -> RelSelector

createF :: Selectors -> Free Expr ()

Prepare CREATE query

matchF :: Selectors -> Free Expr ()

Prepare MATCH query

optionalMatchF :: Selectors -> Free Expr ()

Prepare 'OPTIONAL MATCH' query

mergeF :: Selectors -> Free Expr ()

Prepare MERGE query

whereF :: Cond -> Free Expr ()

Prepare WHERE query

setF :: [Text] -> Free Expr ()

Prepare SET query

deleteF :: [Text] -> Free Expr ()

Prepare DELETE query

detachDeleteF :: [Text] -> Free Expr ()

Prepare 'DETACH DELETE' query

returnF :: [Text] -> Free Expr ()

Prepare RETURN query

textF :: Text -> Free Expr ()

Prepare query with custom text

formQuery :: Free Expr () -> Text