graphql-engine-1.0.0: GraphQL API over Postgres

Safe Haskell	None
Language	Haskell2010

Hasura.Backends.MySQL.ToQuery

Description

Convert the simple AST to an SQL query, ready to be passed to the mysql package's query/exec functions.

Synopsis

newtype Query = Query {
- unQuery :: ByteString
}
data Printer
- = SeqPrinter [Printer]
- | SepByPrinter Printer [Printer]
- | NewlinePrinter
- | QueryPrinter Query
- | IndentPrinter Int Printer
(<+>) :: Printer -> Printer -> Printer
fromExpression :: Expression -> Printer
fromScalarType :: ScalarValue -> Query
fromOp :: Op -> Printer
fromFieldName :: FieldName -> Printer
fromSelect :: Select -> Printer
fromOffsetAndLimit :: Top -> Maybe Int -> Printer
fromOrderBys :: Maybe (NonEmpty OrderBy) -> Printer
fromOrderBy :: OrderBy -> [Printer]
fromOrder :: Order -> Printer
fromNullsOrder :: FieldName -> NullsOrder -> Printer
fromProjection :: Projection -> Printer
fromAggregate :: Aggregate -> Printer
fromCountable :: Countable FieldName -> Printer
fromWhere :: Where -> Printer
fromFrom :: From -> Printer
parens :: Printer -> Printer
fromTableName :: TableName -> Printer
fromAliased :: Aliased Printer -> Printer
fromNameText :: Text -> Printer
truePrinter :: Printer
falsePrinter :: Printer
toQueryFlat :: Printer -> Query
toQueryPretty :: Printer -> Query
renderBuilderPretty :: Printer -> (Builder, InsOrdHashMap Int ScalarValue)
runBuilderPretty :: Printer -> State (InsOrdHashMap ScalarValue Int) Builder
fromFieldOrigin :: FieldOrigin -> Printer
fromNullAggregate :: Aggregate -> Printer

Documentation

newtype Query Source #

Constructors

Query
Fields unQuery :: ByteString

Instances

Instances details

Eq Query Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods (==) :: Query -> Query -> Bool # (/=) :: Query -> Query -> Bool #
Show Query Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods showsPrec :: Int -> Query -> ShowS # show :: Query -> String # showList :: [Query] -> ShowS #
Semigroup Query Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods (<>) :: Query -> Query -> Query # sconcat :: NonEmpty Query -> Query # stimes :: Integral b => b -> Query -> Query #
Monoid Query Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods mempty :: Query # mappend :: Query -> Query -> Query # mconcat :: [Query] -> Query #

data Printer Source #

Constructors

SeqPrinter [Printer]
SepByPrinter Printer [Printer]
NewlinePrinter
QueryPrinter Query
IndentPrinter Int Printer

Instances

Instances details

Eq Printer Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods (==) :: Printer -> Printer -> Bool # (/=) :: Printer -> Printer -> Bool #
Show Printer Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods showsPrec :: Int -> Printer -> ShowS # show :: Printer -> String # showList :: [Printer] -> ShowS #
IsString Printer Source #
Instance details Defined in Hasura.Backends.MySQL.ToQuery Methods fromString :: String -> Printer #

(<+>) :: Printer -> Printer -> Printer Source #

fromExpression :: Expression -> Printer Source #

fromScalarType :: ScalarValue -> Query Source #

fromOp :: Op -> Printer Source #

fromFieldName :: FieldName -> Printer Source #

fromSelect :: Select -> Printer Source #

fromOffsetAndLimit :: Top -> Maybe Int -> Printer Source #

fromOrderBys :: Maybe (NonEmpty OrderBy) -> Printer Source #

fromOrderBy :: OrderBy -> [Printer] Source #

fromOrder :: Order -> Printer Source #

fromNullsOrder :: FieldName -> NullsOrder -> Printer Source #

fromProjection :: Projection -> Printer Source #

fromAggregate :: Aggregate -> Printer Source #

fromCountable :: Countable FieldName -> Printer Source #

fromWhere :: Where -> Printer Source #

fromFrom :: From -> Printer Source #

parens :: Printer -> Printer Source #

fromTableName :: TableName -> Printer Source #

fromAliased :: Aliased Printer -> Printer Source #

fromNameText :: Text -> Printer Source #

truePrinter :: Printer Source #

falsePrinter :: Printer Source #

toQueryFlat :: Printer -> Query Source #

toQueryPretty :: Printer -> Query Source #

renderBuilderPretty :: Printer -> (Builder, InsOrdHashMap Int ScalarValue) Source #

Produces a query with holes, and a mapping for each

runBuilderPretty :: Printer -> State (InsOrdHashMap ScalarValue Int) Builder Source #

fromFieldOrigin :: FieldOrigin -> Printer Source #

fromNullAggregate :: Aggregate -> Printer Source #