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7e334e08a4
PR-URL: https://github.com/hasura/graphql-engine-mono/pull/8947 GitOrigin-RevId: 18e52c928e1df535579e2077b4af6c2ce92bdcef
76 lines
2.1 KiB
Haskell
76 lines
2.1 KiB
Haskell
module Hasura.RQL.DDL.Relationship.Rename
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( RenameRel,
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runRenameRel,
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)
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where
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import Data.Aeson
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import Data.HashMap.Strict qualified as HashMap
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import Data.Text.Extended
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import Hasura.Base.Error
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import Hasura.EncJSON
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import Hasura.Prelude
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import Hasura.RQL.DDL.Schema (renameRelationshipInMetadata)
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import Hasura.RQL.Types.Backend
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import Hasura.RQL.Types.Common
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import Hasura.RQL.Types.Metadata
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import Hasura.RQL.Types.Metadata.Backend
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import Hasura.RQL.Types.Relationships.Local
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import Hasura.RQL.Types.SchemaCache
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import Hasura.RQL.Types.SchemaCache.Build
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import Hasura.RQL.Types.Table
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data RenameRel b = RenameRel
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{ _rrSource :: SourceName,
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_rrTable :: TableName b,
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_rrName :: RelName,
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_rrNewName :: RelName
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}
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instance (Backend b) => FromJSON (RenameRel b) where
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parseJSON = withObject "RenameRel" $ \o ->
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RenameRel
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<$> o .:? "source" .!= defaultSource
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<*> o .: "table"
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<*> o .: "name"
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<*> o .: "new_name"
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renameRelP2 ::
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forall b m.
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(QErrM m, CacheRM m, BackendMetadata b) =>
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SourceName ->
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TableName b ->
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RelName ->
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RelInfo b ->
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m MetadataModifier
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renameRelP2 source qt newRN relInfo = withNewInconsistentObjsCheck $ do
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tabInfo <- askTableCoreInfo @b source qt
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-- check for conflicts in fieldInfoMap
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case HashMap.lookup (fromRel newRN) $ _tciFieldInfoMap tabInfo of
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Nothing -> return ()
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Just _ ->
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throw400 AlreadyExists $
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"cannot rename relationship "
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<> oldRN
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<<> " to "
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<> newRN
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<<> " in table "
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<> qt
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<<> " as a column/relationship with the name already exists"
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-- update metadata
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execWriterT $ renameRelationshipInMetadata @b source qt oldRN (riType relInfo) newRN
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where
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oldRN = riName relInfo
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runRenameRel ::
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forall b m.
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(MonadError QErr m, CacheRWM m, MetadataM m, BackendMetadata b) =>
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RenameRel b ->
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m EncJSON
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runRenameRel (RenameRel source qt rn newRN) = do
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tabInfo <- askTableCoreInfo @b source qt
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ri <- askRelType (_tciFieldInfoMap tabInfo) rn ""
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withNewInconsistentObjsCheck $
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renameRelP2 source qt newRN ri >>= buildSchemaCache
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pure successMsg
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