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https://github.com/hasura/graphql-engine.git
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95f5553af6
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/8326 GitOrigin-RevId: 02ee652302de5328e63054a6448dca10de7b5c1b
91 lines
2.6 KiB
Haskell
91 lines
2.6 KiB
Haskell
module Hasura.GraphQL.Transport.Backend
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( BackendTransport (..),
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)
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where
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import Control.Monad.Trans.Control
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import Data.ByteString qualified as B
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import Hasura.Base.Error
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import Hasura.EncJSON
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import Hasura.GraphQL.Execute.Backend
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import Hasura.GraphQL.Execute.Subscription.Plan
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import Hasura.GraphQL.Logging (ExecutionStats, MonadExecutionLog, MonadQueryLog)
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import Hasura.GraphQL.Namespace (RootFieldAlias)
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import Hasura.GraphQL.Transport.HTTP.Protocol
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import Hasura.Logging qualified as L
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import Hasura.Prelude
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import Hasura.RQL.Types.Backend
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import Hasura.SQL.AnyBackend (AnyBackend)
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import Hasura.SQL.Backend
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import Hasura.Server.Types (RequestId)
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import Hasura.Session
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import Hasura.Tracing
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-- | This typeclass enacapsulates how a given backend sends queries and mutations over the
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-- network. Each backend is currently responsible for both logging and tracing, for now.
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class BackendExecute b => BackendTransport (b :: BackendType) where
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runDBQuery ::
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forall m.
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( MonadIO m,
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MonadBaseControl IO m,
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MonadError QErr m,
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MonadQueryLog m,
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MonadExecutionLog m,
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MonadTrace m
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) =>
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RequestId ->
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GQLReqUnparsed ->
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RootFieldAlias ->
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UserInfo ->
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L.Logger L.Hasura ->
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SourceConfig b ->
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OnBaseMonad (ExecutionMonad b) (Maybe (AnyBackend ExecutionStats), EncJSON) ->
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Maybe (PreparedQuery b) ->
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ResolvedConnectionTemplate b ->
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m (DiffTime, EncJSON)
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runDBMutation ::
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forall m.
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( MonadIO m,
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MonadBaseControl IO m,
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MonadError QErr m,
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MonadQueryLog m,
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MonadTrace m
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) =>
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RequestId ->
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GQLReqUnparsed ->
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RootFieldAlias ->
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UserInfo ->
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L.Logger L.Hasura ->
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SourceConfig b ->
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OnBaseMonad (ExecutionMonad b) EncJSON ->
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Maybe (PreparedQuery b) ->
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ResolvedConnectionTemplate b ->
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m (DiffTime, EncJSON)
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runDBSubscription ::
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forall m.
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(MonadIO m, MonadBaseControl IO m) =>
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SourceConfig b ->
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MultiplexedQuery b ->
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-- | WARNING: Postgres-specific, ignored by other backends
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[(CohortId, CohortVariables)] ->
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ResolvedConnectionTemplate b ->
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m (DiffTime, Either QErr [(CohortId, B.ByteString)])
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runDBStreamingSubscription ::
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forall m.
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(MonadIO m, MonadBaseControl IO m) =>
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SourceConfig b ->
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MultiplexedQuery b ->
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-- | WARNING: Postgres-specific, ignored by other backends
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[(CohortId, CohortVariables)] ->
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ResolvedConnectionTemplate b ->
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m (DiffTime, Either QErr [(CohortId, B.ByteString, CursorVariableValues)])
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runDBQueryExplain ::
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forall m.
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( MonadIO m,
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MonadError QErr m,
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MonadBaseControl IO m,
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MonadTrace m
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) =>
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DBStepInfo b ->
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m EncJSON
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