mirror of
https://github.com/hasura/graphql-engine.git
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a8500b44ed
Fix bug where `stringify-numeric-types` option is not respected in remote database relationships PR-URL: https://github.com/hasura/graphql-engine-mono/pull/7302 GitOrigin-RevId: a649b00b45ca0f67dc84ad893d3d98529b064c77
108 lines
5.5 KiB
Haskell
108 lines
5.5 KiB
Haskell
{-# OPTIONS_GHC -fno-warn-orphans #-}
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module Hasura.Backends.DataConnector.Adapter.Execute
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(
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)
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where
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--------------------------------------------------------------------------------
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import Data.Aeson qualified as J
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import Data.Environment qualified as Env
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import Data.Text.Extended (toTxt)
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import Hasura.Backends.DataConnector.API (errorResponseSummary, queryCase)
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import Hasura.Backends.DataConnector.API qualified as API
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import Hasura.Backends.DataConnector.API.V0.ErrorResponse (ErrorResponse (..))
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import Hasura.Backends.DataConnector.Adapter.ConfigTransform (transformSourceConfig)
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import Hasura.Backends.DataConnector.Adapter.Types (SourceConfig (..))
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import Hasura.Backends.DataConnector.Agent.Client (AgentClientT)
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import Hasura.Backends.DataConnector.Plan qualified as DC
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import Hasura.Base.Error (Code (..), QErr, throw400, throw400WithDetail, throw500)
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import Hasura.EncJSON (EncJSON, encJFromBuilder, encJFromJValue)
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import Hasura.GraphQL.Execute.Backend (BackendExecute (..), DBStepInfo (..), ExplainPlan (..))
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import Hasura.GraphQL.Namespace qualified as GQL
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import Hasura.Prelude
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import Hasura.RQL.Types.Common qualified as RQL
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import Hasura.SQL.AnyBackend (mkAnyBackend)
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import Hasura.SQL.Backend (BackendType (DataConnector))
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import Hasura.Session
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import Hasura.Tracing (MonadTrace)
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import Hasura.Tracing qualified as Tracing
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import Servant.Client.Core.HasClient ((//))
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import Servant.Client.Generic (genericClient)
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import Witch qualified
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--------------------------------------------------------------------------------
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instance BackendExecute 'DataConnector where
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type PreparedQuery 'DataConnector = API.QueryRequest
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type MultiplexedQuery 'DataConnector = Void
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type ExecutionMonad 'DataConnector = AgentClientT (Tracing.TraceT (ExceptT QErr IO))
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mkDBQueryPlan UserInfo {..} env sourceName sourceConfig ir = do
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queryPlan@DC.QueryPlan {..} <- DC.mkPlan _uiSession sourceConfig ir
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transformedSourceConfig <- transformSourceConfig sourceConfig [("$session", J.toJSON _uiSession), ("$env", J.toJSON env)] env
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pure
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DBStepInfo
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{ dbsiSourceName = sourceName,
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dbsiSourceConfig = transformedSourceConfig,
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dbsiPreparedQuery = Just _qpRequest,
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dbsiAction = buildQueryAction sourceName transformedSourceConfig queryPlan
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}
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mkDBQueryExplain fieldName UserInfo {..} sourceName sourceConfig ir = do
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queryPlan@DC.QueryPlan {..} <- DC.mkPlan _uiSession sourceConfig ir
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transformedSourceConfig <- transformSourceConfig sourceConfig [("$session", J.toJSON _uiSession), ("$env", J.object [])] Env.emptyEnvironment
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pure $
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mkAnyBackend @'DataConnector
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DBStepInfo
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{ dbsiSourceName = sourceName,
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dbsiSourceConfig = transformedSourceConfig,
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dbsiPreparedQuery = Just _qpRequest,
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dbsiAction = buildExplainAction fieldName sourceName transformedSourceConfig queryPlan
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}
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mkDBMutationPlan _ _ _ _ _ =
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throw400 NotSupported "mkDBMutationPlan: not implemented for the Data Connector backend."
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mkLiveQuerySubscriptionPlan _ _ _ _ _ =
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throw400 NotSupported "mkLiveQuerySubscriptionPlan: not implemented for the Data Connector backend."
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mkDBStreamingSubscriptionPlan _ _ _ _ =
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throw400 NotSupported "mkLiveQuerySubscriptionPlan: not implemented for the Data Connector backend."
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mkDBRemoteRelationshipPlan _ _ _ _ _ _ _ _ =
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throw500 "mkDBRemoteRelationshipPlan: not implemented for the Data Connector backend."
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mkSubscriptionExplain _ =
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throw400 NotSupported "mkSubscriptionExplain: not implemented for the Data Connector backend."
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buildQueryAction :: (MonadIO m, MonadTrace m, MonadError QErr m) => RQL.SourceName -> SourceConfig -> DC.QueryPlan -> AgentClientT m EncJSON
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buildQueryAction sourceName SourceConfig {..} DC.QueryPlan {..} = do
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-- NOTE: Should this check occur during query construction in 'mkPlan'?
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when (DC.queryHasRelations _qpRequest && isNothing (API._cRelationships _scCapabilities)) $
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throw400 NotSupported "Agents must provide their own dataloader."
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let apiQueryRequest = Witch.into @API.QueryRequest _qpRequest
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queryResponse <- queryGuard =<< (genericClient // API._query) (toTxt sourceName) _scConfig apiQueryRequest
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reshapedResponse <- _qpResponseReshaper queryResponse
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pure . encJFromBuilder $ J.fromEncoding reshapedResponse
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where
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errorAction e = throw400WithDetail DataConnectorError (errorResponseSummary e) (_crDetails e)
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defaultAction = throw400 DataConnectorError "Unexpected data connector capabilities response - Unexpected Type"
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queryGuard = queryCase defaultAction pure errorAction
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-- Delegates the generation to the Agent's /explain endpoint if it has that capability,
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-- otherwise, returns the IR sent to the agent.
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buildExplainAction :: (MonadIO m, MonadTrace m, MonadError QErr m) => GQL.RootFieldAlias -> RQL.SourceName -> SourceConfig -> DC.QueryPlan -> AgentClientT m EncJSON
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buildExplainAction fieldName sourceName SourceConfig {..} DC.QueryPlan {..} =
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case API._cExplain _scCapabilities of
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Nothing -> pure . encJFromJValue . toExplainPlan fieldName $ _qpRequest
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Just API.ExplainCapabilities -> do
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let apiQueryRequest = Witch.into @API.QueryRequest _qpRequest
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explainResponse <- (genericClient // API._explain) (toTxt sourceName) _scConfig apiQueryRequest
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pure . encJFromJValue $
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ExplainPlan
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fieldName
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(Just (API._erQuery explainResponse))
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(Just (API._erLines explainResponse))
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toExplainPlan :: GQL.RootFieldAlias -> API.QueryRequest -> ExplainPlan
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toExplainPlan fieldName queryRequest =
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ExplainPlan fieldName (Just "") (Just [DC.renderQuery $ queryRequest])
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