mirror of
https://github.com/hasura/graphql-engine.git
synced 2024-12-16 09:51:59 +03:00
c8c0fd200f
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/8409 GitOrigin-RevId: f7e92c0ba03d5b2b1d6a9d8060a49b351c56bd52
217 lines
7.7 KiB
Haskell
217 lines
7.7 KiB
Haskell
{-# LANGUAGE ViewPatterns #-}
|
|
|
|
-- | The RQL query ('/v2/query')
|
|
module Hasura.Server.API.V2Query
|
|
( RQLQuery,
|
|
queryModifiesSchema,
|
|
runQuery,
|
|
)
|
|
where
|
|
|
|
import Control.Concurrent.Async.Lifted (mapConcurrently)
|
|
import Control.Lens (preview, _Right)
|
|
import Control.Monad.Trans.Control (MonadBaseControl)
|
|
import Data.Aeson
|
|
import Data.Aeson.Types (Parser)
|
|
import Data.Environment qualified as Env
|
|
import Data.Text qualified as T
|
|
import GHC.Generics.Extended (constrName)
|
|
import Hasura.App.State
|
|
import Hasura.Backends.BigQuery.DDL.RunSQL qualified as BigQuery
|
|
import Hasura.Backends.DataConnector.Adapter.RunSQL qualified as DataConnector
|
|
import Hasura.Backends.DataConnector.Adapter.Types (DataConnectorName, mkDataConnectorName)
|
|
import Hasura.Backends.MSSQL.DDL.RunSQL qualified as MSSQL
|
|
import Hasura.Backends.MySQL.SQL qualified as MySQL
|
|
import Hasura.Backends.Postgres.DDL.RunSQL qualified as Postgres
|
|
import Hasura.Base.Error
|
|
import Hasura.EncJSON
|
|
import Hasura.GraphQL.Execute.Backend
|
|
import Hasura.Metadata.Class
|
|
import Hasura.Prelude
|
|
import Hasura.RQL.DDL.Schema
|
|
import Hasura.RQL.DML.Count
|
|
import Hasura.RQL.DML.Delete
|
|
import Hasura.RQL.DML.Insert
|
|
import Hasura.RQL.DML.Select
|
|
import Hasura.RQL.DML.Types
|
|
( CountQuery,
|
|
DeleteQuery,
|
|
InsertQuery,
|
|
SelectQuery,
|
|
UpdateQuery,
|
|
)
|
|
import Hasura.RQL.DML.Update
|
|
import Hasura.RQL.Types.Metadata
|
|
import Hasura.RQL.Types.SchemaCache.Build
|
|
import Hasura.RQL.Types.Source
|
|
import Hasura.SQL.Backend
|
|
import Hasura.Server.Types
|
|
import Hasura.Services
|
|
import Hasura.Session
|
|
import Hasura.Tracing qualified as Tracing
|
|
import Language.GraphQL.Draft.Syntax qualified as GQL
|
|
|
|
data RQLQuery
|
|
= RQInsert !InsertQuery
|
|
| RQSelect !SelectQuery
|
|
| RQUpdate !UpdateQuery
|
|
| RQDelete !DeleteQuery
|
|
| RQCount !CountQuery
|
|
| RQRunSql !Postgres.RunSQL
|
|
| RQMssqlRunSql !MSSQL.MSSQLRunSQL
|
|
| RQCitusRunSql !Postgres.RunSQL
|
|
| RQCockroachRunSql !Postgres.RunSQL
|
|
| RQMysqlRunSql !MySQL.RunSQL
|
|
| RQBigqueryRunSql !BigQuery.BigQueryRunSQL
|
|
| RQDataConnectorRunSql !DataConnectorName !DataConnector.DataConnectorRunSQL
|
|
| RQBigqueryDatabaseInspection !BigQuery.BigQueryRunSQL
|
|
| RQBulk ![RQLQuery]
|
|
| -- | A variant of 'RQBulk' that runs a bulk of read-only queries concurrently.
|
|
-- Asserts that queries on this lists are not modifying the schema.
|
|
--
|
|
-- This is mainly used by the graphql-engine console.
|
|
RQConcurrentBulk [RQLQuery]
|
|
deriving (Generic)
|
|
|
|
-- | This instance has been written by hand so that "wildcard" prefixes of _run_sql can be delegated to data connectors.
|
|
instance FromJSON RQLQuery where
|
|
parseJSON = withObject "RQLQuery" \o -> do
|
|
t <- o .: "type"
|
|
let args :: forall a. FromJSON a => Parser a
|
|
args = o .: "args"
|
|
dcNameFromRunSql = T.stripSuffix "_run_sql" >=> GQL.mkName >=> preview _Right . mkDataConnectorName
|
|
case t of
|
|
"insert" -> RQInsert <$> args
|
|
"select" -> RQSelect <$> args
|
|
"update" -> RQUpdate <$> args
|
|
"delete" -> RQDelete <$> args
|
|
"count" -> RQCount <$> args
|
|
-- Optionally, we can specify a `pg_` prefix. This primarily makes some
|
|
-- string interpolation easier in the cross-backend tests.
|
|
"run_sql" -> RQRunSql <$> args
|
|
"pg_run_sql" -> RQRunSql <$> args
|
|
"mssql_run_sql" -> RQMssqlRunSql <$> args
|
|
"citus_run_sql" -> RQCitusRunSql <$> args
|
|
"cockroach_run_sql" -> RQCockroachRunSql <$> args
|
|
"mysql_run_sql" -> RQMysqlRunSql <$> args
|
|
"bigquery_run_sql" -> RQBigqueryRunSql <$> args
|
|
(dcNameFromRunSql -> Just t') -> RQDataConnectorRunSql t' <$> args
|
|
"bigquery_database_inspection" -> RQBigqueryDatabaseInspection <$> args
|
|
"bulk" -> RQBulk <$> args
|
|
"concurrent_bulk" -> RQConcurrentBulk <$> args
|
|
_ -> fail $ "Unrecognised RQLQuery type: " <> T.unpack t
|
|
|
|
runQuery ::
|
|
( MonadIO m,
|
|
MonadBaseControl IO m,
|
|
MonadError QErr m,
|
|
HasAppEnv m,
|
|
Tracing.MonadTrace m,
|
|
MonadMetadataStorage m,
|
|
MonadResolveSource m,
|
|
MonadQueryTags m,
|
|
ProvidesHasuraServices m,
|
|
UserInfoM m,
|
|
HasServerConfigCtx m
|
|
) =>
|
|
AppContext ->
|
|
RebuildableSchemaCache ->
|
|
RQLQuery ->
|
|
m (EncJSON, RebuildableSchemaCache)
|
|
runQuery appContext schemaCache rqlQuery = do
|
|
AppEnv {..} <- askAppEnv
|
|
when ((appEnvEnableReadOnlyMode == ReadOnlyModeEnabled) && queryModifiesUserDB rqlQuery) $
|
|
throw400 NotSupported "Cannot run write queries when read-only mode is enabled"
|
|
|
|
(metadata, currentResourceVersion) <- Tracing.newSpan "fetchMetadata" $ liftEitherM fetchMetadata
|
|
((result, updatedMetadata), updatedCache, invalidations) <-
|
|
runQueryM (acEnvironment appContext) rqlQuery
|
|
-- We can use defaults here unconditionally, since there is no MD export function in V2Query
|
|
& runMetadataT metadata (acMetadataDefaults appContext)
|
|
& runCacheRWT schemaCache
|
|
when (queryModifiesSchema rqlQuery) $ do
|
|
case appEnvEnableMaintenanceMode of
|
|
MaintenanceModeDisabled -> do
|
|
-- set modified metadata in storage
|
|
newResourceVersion <-
|
|
Tracing.newSpan "setMetadata" $
|
|
liftEitherM $
|
|
setMetadata currentResourceVersion updatedMetadata
|
|
-- notify schema cache sync
|
|
Tracing.newSpan "notifySchemaCacheSync" $
|
|
liftEitherM $
|
|
notifySchemaCacheSync newResourceVersion appEnvInstanceId invalidations
|
|
MaintenanceModeEnabled () ->
|
|
throw500 "metadata cannot be modified in maintenance mode"
|
|
pure (result, updatedCache)
|
|
|
|
queryModifiesSchema :: RQLQuery -> Bool
|
|
queryModifiesSchema = \case
|
|
RQInsert _ -> False
|
|
RQSelect _ -> False
|
|
RQUpdate _ -> False
|
|
RQDelete _ -> False
|
|
RQCount _ -> False
|
|
RQRunSql q -> Postgres.isSchemaCacheBuildRequiredRunSQL q
|
|
RQCitusRunSql q -> Postgres.isSchemaCacheBuildRequiredRunSQL q
|
|
RQCockroachRunSql q -> Postgres.isSchemaCacheBuildRequiredRunSQL q
|
|
RQMssqlRunSql q -> MSSQL.isSchemaCacheBuildRequiredRunSQL q
|
|
RQMysqlRunSql _ -> False
|
|
RQBigqueryRunSql _ -> False
|
|
RQDataConnectorRunSql _ _ -> False
|
|
RQBigqueryDatabaseInspection _ -> False
|
|
RQBulk l -> any queryModifiesSchema l
|
|
RQConcurrentBulk l -> any queryModifiesSchema l
|
|
|
|
runQueryM ::
|
|
( MonadError QErr m,
|
|
MonadIO m,
|
|
MonadBaseControl IO m,
|
|
UserInfoM m,
|
|
CacheRWM m,
|
|
HasServerConfigCtx m,
|
|
Tracing.MonadTrace m,
|
|
MetadataM m,
|
|
MonadQueryTags m
|
|
) =>
|
|
Env.Environment ->
|
|
RQLQuery ->
|
|
m EncJSON
|
|
runQueryM env rq = Tracing.newSpan (T.pack $ constrName rq) $ case rq of
|
|
RQInsert q -> runInsert q
|
|
RQSelect q -> runSelect q
|
|
RQUpdate q -> runUpdate q
|
|
RQDelete q -> runDelete q
|
|
RQCount q -> runCount q
|
|
RQRunSql q -> Postgres.runRunSQL @'Vanilla q
|
|
RQMssqlRunSql q -> MSSQL.runSQL q
|
|
RQMysqlRunSql q -> MySQL.runSQL q
|
|
RQCitusRunSql q -> Postgres.runRunSQL @'Citus q
|
|
RQCockroachRunSql q -> Postgres.runRunSQL @'Cockroach q
|
|
RQBigqueryRunSql q -> BigQuery.runSQL q
|
|
RQDataConnectorRunSql t q -> DataConnector.runSQL t q
|
|
RQBigqueryDatabaseInspection q -> BigQuery.runDatabaseInspection q
|
|
RQBulk l -> encJFromList <$> indexedMapM (runQueryM env) l
|
|
RQConcurrentBulk l -> do
|
|
when (queryModifiesSchema rq) $
|
|
throw500 "Only read-only queries are allowed in a concurrent_bulk"
|
|
encJFromList <$> mapConcurrently (runQueryM env) l
|
|
|
|
queryModifiesUserDB :: RQLQuery -> Bool
|
|
queryModifiesUserDB = \case
|
|
RQInsert _ -> True
|
|
RQSelect _ -> False
|
|
RQUpdate _ -> True
|
|
RQDelete _ -> True
|
|
RQCount _ -> False
|
|
RQRunSql runsql -> not (Postgres.isReadOnly runsql)
|
|
RQCitusRunSql runsql -> not (Postgres.isReadOnly runsql)
|
|
RQCockroachRunSql runsql -> not (Postgres.isReadOnly runsql)
|
|
RQMssqlRunSql _ -> True
|
|
RQMysqlRunSql _ -> True
|
|
RQBigqueryRunSql _ -> True
|
|
RQDataConnectorRunSql _ _ -> True
|
|
RQBigqueryDatabaseInspection _ -> False
|
|
RQBulk q -> any queryModifiesUserDB q
|
|
RQConcurrentBulk _ -> False
|