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87 lines
3.5 KiB
Haskell
87 lines
3.5 KiB
Haskell
-- | Functions for loading and modifying the catalog. See the module documentation for
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-- "Hasura.RQL.DDL.Schema" for more details.
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module Hasura.RQL.DDL.Schema.Catalog
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( fetchCatalogData
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, saveTableToCatalog
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, updateTableIsEnumInCatalog
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, updateTableConfig
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, deleteTableFromCatalog
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, getTableConfig
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, purgeDependentObject
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) where
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import Hasura.Prelude
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import qualified Database.PG.Query as Q
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import Data.Aeson
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import Hasura.Db
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import Hasura.RQL.DDL.ComputedField
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import Hasura.RQL.DDL.EventTrigger
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import Hasura.RQL.DDL.Permission.Internal
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import Hasura.RQL.DDL.Relationship
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import Hasura.RQL.DDL.RemoteRelationship
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import Hasura.RQL.DDL.Schema.Function
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import Hasura.RQL.Types
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import Hasura.RQL.Types.Catalog
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import Hasura.SQL.Types
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fetchCatalogData :: (MonadTx m) => m CatalogMetadata
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fetchCatalogData =
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liftTx $ Q.getAltJ . runIdentity . Q.getRow <$> Q.withQE defaultTxErrorHandler
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$(Q.sqlFromFile "src-rsr/catalog_metadata.sql") () True
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purgeDependentObject :: (MonadTx m) => SchemaObjId -> m ()
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purgeDependentObject = \case
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SOTableObj tn (TOPerm rn pt) -> liftTx $ dropPermFromCatalog tn rn pt
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SOTableObj qt (TORel rn) -> liftTx $ delRelFromCatalog qt rn
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SOFunction qf -> liftTx $ delFunctionFromCatalog qf
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SOTableObj _ (TOTrigger trn) -> liftTx $ delEventTriggerFromCatalog trn
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SOTableObj qt (TOComputedField ccn) -> dropComputedFieldFromCatalog qt ccn
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SOTableObj qt (TORemoteRel remoteRelName) -> liftTx $ delRemoteRelFromCatalog qt remoteRelName
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schemaObjId -> throw500 $ "unexpected dependent object: " <> reportSchemaObj schemaObjId
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saveTableToCatalog
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:: (MonadTx m, HasSystemDefined m) => QualifiedTable -> Bool -> TableConfig -> m ()
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saveTableToCatalog (QualifiedObject sn tn) isEnum config = do
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systemDefined <- askSystemDefined
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liftTx $ Q.unitQE defaultTxErrorHandler [Q.sql|
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INSERT INTO "hdb_catalog"."hdb_table"
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(table_schema, table_name, is_system_defined, is_enum, configuration)
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VALUES ($1, $2, $3, $4, $5)
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|] (sn, tn, systemDefined, isEnum, configVal) False
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where
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configVal = Q.AltJ $ toJSON config
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updateTableIsEnumInCatalog :: (MonadTx m) => QualifiedTable -> Bool -> m ()
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updateTableIsEnumInCatalog (QualifiedObject sn tn) isEnum = liftTx $
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Q.unitQE defaultTxErrorHandler [Q.sql|
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UPDATE "hdb_catalog"."hdb_table" SET is_enum = $3
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WHERE table_schema = $1 AND table_name = $2
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|] (sn, tn, isEnum) False
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updateTableConfig :: (MonadTx m) => QualifiedTable -> TableConfig -> m ()
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updateTableConfig (QualifiedObject sn tn) config = liftTx $
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Q.unitQE defaultTxErrorHandler [Q.sql|
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UPDATE "hdb_catalog"."hdb_table"
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SET configuration = $1
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WHERE table_schema = $2 AND table_name = $3
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|] (configVal, sn, tn) False
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where
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configVal = Q.AltJ $ toJSON config
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deleteTableFromCatalog :: (MonadTx m) => QualifiedTable -> m ()
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deleteTableFromCatalog (QualifiedObject sn tn) = liftTx $ Q.unitQE defaultTxErrorHandler [Q.sql|
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DELETE FROM "hdb_catalog"."hdb_table"
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WHERE table_schema = $1 AND table_name = $2
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|] (sn, tn) False
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getTableConfig :: MonadTx m => QualifiedTable -> m TableConfig
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getTableConfig (QualifiedObject sn tn) = liftTx $
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Q.getAltJ . runIdentity . Q.getRow <$> Q.withQE defaultTxErrorHandler
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[Q.sql|
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SELECT configuration::json FROM hdb_catalog.hdb_table
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WHERE table_schema = $1 AND table_name = $2
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|] (sn, tn) True
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