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43 lines
1.4 KiB
Haskell
43 lines
1.4 KiB
Haskell
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module Hasura.RQL.DDL.Relationship.Rename
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(runRenameRel)
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where
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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.Rename (renameRelInCatalog)
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import Hasura.RQL.DDL.Schema.Table (buildSchemaCache)
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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, MonadTx m, CacheRWM m, MonadIO m, HasHttpManager m)
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=> QualifiedTable -> RelName -> RelInfo -> m ()
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renameRelP2 qt newRN relInfo = 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, CacheRWM m, MonadTx m , UserInfoM m, MonadIO m, HasHttpManager m)
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=> RenameRel -> m RespBody
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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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