graphql-engine/server/src-lib/Hasura/RQL/DDL/Relationship/Rename.hs
Antoine Leblanc 3cbcbd9291 Remove RQL/Types.hs
## Description

This PR removes `RQL.Types`, which was now only re-exporting a bunch of unrelated modules.

PR-URL: https://github.com/hasura/graphql-engine-mono/pull/4363
GitOrigin-RevId: 894f29a19bff70b3dad8abc5d9858434d5065417
2022-04-27 13:58:47 +00:00

73 lines
2.1 KiB
Haskell

module Hasura.RQL.DDL.Relationship.Rename
( RenameRel,
runRenameRel,
)
where
import Data.Aeson
import Data.HashMap.Strict qualified as Map
import Data.Text.Extended
import Hasura.Base.Error
import Hasura.EncJSON
import Hasura.Prelude
import Hasura.RQL.DDL.Schema (renameRelationshipInMetadata)
import Hasura.RQL.Types.Backend
import Hasura.RQL.Types.Common
import Hasura.RQL.Types.Metadata
import Hasura.RQL.Types.Metadata.Backend
import Hasura.RQL.Types.Relationships.Local
import Hasura.RQL.Types.SchemaCache
import Hasura.RQL.Types.SchemaCache.Build
import Hasura.RQL.Types.Table
data RenameRel b = RenameRel
{ _rrSource :: !SourceName,
_rrTable :: !(TableName b),
_rrName :: !RelName,
_rrNewName :: !RelName
}
instance (Backend b) => FromJSON (RenameRel b) where
parseJSON = withObject "RenameRel" $ \o ->
RenameRel
<$> o .:? "source" .!= defaultSource
<*> o .: "table"
<*> o .: "name"
<*> o .: "new_name"
renameRelP2 ::
forall b m.
(QErrM m, CacheRM m, BackendMetadata b) =>
SourceName ->
TableName b ->
RelName ->
RelInfo b ->
m MetadataModifier
renameRelP2 source qt newRN relInfo = withNewInconsistentObjsCheck $ do
tabInfo <- askTableCoreInfo @b source qt
-- check for conflicts in fieldInfoMap
case Map.lookup (fromRel newRN) $ _tciFieldInfoMap tabInfo of
Nothing -> return ()
Just _ ->
throw400 AlreadyExists $
"cannot rename relationship " <> oldRN
<<> " to " <> newRN
<<> " in table " <> qt
<<> " as a column/relationship with the name already exists"
-- update metadata
execWriterT $ renameRelationshipInMetadata @b source qt oldRN (riType relInfo) newRN
where
oldRN = riName relInfo
runRenameRel ::
forall b m.
(MonadError QErr m, CacheRWM m, MetadataM m, BackendMetadata b) =>
RenameRel b ->
m EncJSON
runRenameRel (RenameRel source qt rn newRN) = do
tabInfo <- askTableCoreInfo @b source qt
ri <- askRelType (_tciFieldInfoMap tabInfo) rn ""
withNewInconsistentObjsCheck $
renameRelP2 source qt newRN ri >>= buildSchemaCache
pure successMsg