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https://github.com/hasura/graphql-engine.git
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6d92e4f9db
* save permissions, relationships and collections in catalog with 'is_system_defined' * Use common stanzas in the .cabal file * Refactor migration code into lib instead of exe * Add new server test suite that exercises migrations * Make graphql-engine clean succeed even if the schema does not exist
58 lines
1.6 KiB
Haskell
58 lines
1.6 KiB
Haskell
module Hasura.RQL.DDL.Relationship.Rename
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(runRenameRel)
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where
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import Hasura.EncJSON
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import Hasura.Prelude
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import Hasura.RQL.DDL.Relationship (validateRelP1)
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import Hasura.RQL.DDL.Relationship.Types
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import Hasura.RQL.DDL.Schema (buildSchemaCache,
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renameRelInCatalog,
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withNewInconsistentObjsCheck)
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import Hasura.RQL.Types
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import Hasura.SQL.Types
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import qualified Data.HashMap.Strict as HM
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renameRelP2
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:: ( QErrM m
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, MonadTx m
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, CacheRWM m
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, MonadIO m
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, HasHttpManager m
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, HasSQLGenCtx m
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)
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=> QualifiedTable -> RelName -> RelInfo -> m ()
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renameRelP2 qt newRN relInfo = withNewInconsistentObjsCheck $ do
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tabInfo <- askTabInfo qt
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-- check for conflicts in fieldInfoMap
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case HM.lookup (fromRel newRN) $ _tiFieldInfoMap tabInfo of
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Nothing -> return ()
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Just _ ->
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throw400 AlreadyExists $ "cannot rename relationship " <> oldRN
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<<> " to " <> newRN <<> " in table " <> qt <<>
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" as a column/relationship with the name already exists"
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-- update catalog
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renameRelInCatalog qt oldRN newRN
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-- update schema cache
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buildSchemaCache
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where
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oldRN = riName relInfo
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runRenameRel
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:: ( QErrM m
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, CacheRWM m
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, MonadTx m
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, UserInfoM m
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, MonadIO m
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, HasHttpManager m
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, HasSQLGenCtx m
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)
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=> RenameRel -> m EncJSON
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runRenameRel defn = do
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ri <- validateRelP1 qt rn
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renameRelP2 qt newRN ri
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return successMsg
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where
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RenameRel qt rn newRN = defn
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