diff options
Diffstat (limited to 'src/Language/GraphQL/Execute.hs')
| -rw-r--r-- | src/Language/GraphQL/Execute.hs | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/Language/GraphQL/Execute.hs b/src/Language/GraphQL/Execute.hs index 8eb22c2..476cc50 100644 --- a/src/Language/GraphQL/Execute.hs +++ b/src/Language/GraphQL/Execute.hs @@ -9,10 +9,11 @@ {-# LANGUAGE ViewPatterns #-} {-# LANGUAGE TypeApplications #-} +-- | This module provides functions to execute a @GraphQL@ request. module Language.GraphQL.Execute - ( module Language.GraphQL.Execute.Coerce - , execute - ) where + ( execute + , module Language.GraphQL.Execute.Coerce + ) where import Conduit (mapMC, (.|)) import Control.Arrow (left) @@ -179,6 +180,7 @@ instance Exception ResultCoercionException where toException = resultExceptionToException fromException = resultExceptionFromException +-- | Query error types. data QueryError = OperationNameRequired | OperationNotFound String @@ -217,6 +219,12 @@ queryError (UnknownInputType variableDefinition) = ] in Error{ message = queryErrorMessage, locations = [location], path = [] } +-- | The substitution is applied to the document, and the resolvers are applied +-- to the resulting fields. The operation name can be used if the document +-- defines multiple root operations. +-- +-- Returns the result of the query against the schema wrapped in a /data/ +-- field, or errors wrapped in an /errors/ field. execute :: (MonadCatch m, VariableValue a, Serialize b) => Schema m -- ^ Resolvers. -> Maybe Text -- ^ Operation name. |