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42 lines
1.3 KiB
Haskell
42 lines
1.3 KiB
Haskell
module Hasura.RQL.DDL.Relationship.Rename
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(runRenameRel)
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where
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import Data.Text.Extended
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import Hasura.Backends.Postgres.SQL.Types
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import Hasura.EncJSON
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import Hasura.Prelude
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import Hasura.RQL.DDL.Relationship.Types
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import Hasura.RQL.DDL.Schema (renameRelInCatalog)
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import Hasura.RQL.Types
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import qualified Data.HashMap.Strict as Map
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renameRelP2
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:: (QErrM m, MonadTx m, CacheRM m)
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=> QualifiedTable -> RelName -> RelInfo -> m ()
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renameRelP2 qt newRN relInfo = withNewInconsistentObjsCheck $ do
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tabInfo <- askTableCoreInfo qt
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-- check for conflicts in fieldInfoMap
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case Map.lookup (fromRel newRN) $ _tciFieldInfoMap 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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where
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oldRN = riName relInfo
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runRenameRel
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:: (MonadTx m, CacheRWM m)
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=> RenameRel -> m EncJSON
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runRenameRel (RenameRel qt rn newRN) = do
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tabInfo <- askTableCoreInfo qt
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ri <- askRelType (_tciFieldInfoMap tabInfo) rn ""
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withNewInconsistentObjsCheck do
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renameRelP2 qt newRN ri
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buildSchemaCache
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pure successMsg
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