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142 lines
4.2 KiB
Haskell
142 lines
4.2 KiB
Haskell
module Hasura.Backends.MSSQL.DDL
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( buildComputedFieldInfo
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, buildRemoteFieldInfo
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, fetchAndValidateEnumValues
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, createTableEventTrigger
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, buildEventTriggerInfo
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, buildFunctionInfo
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, updateColumnInEventTrigger
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, parseCollectableType
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, module M
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)
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where
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import Hasura.Prelude
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import Data.Aeson
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import qualified Data.Environment as Env
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import Hasura.Base.Error
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import Hasura.RQL.IR.BoolExp
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import Hasura.RQL.Types.Backend
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import Hasura.RQL.Types.Column
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import Hasura.RQL.Types.Common
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import Hasura.RQL.Types.ComputedField
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import Hasura.RQL.Types.EventTrigger
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import Hasura.RQL.Types.Function
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import Hasura.RQL.Types.RemoteRelationship
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import Hasura.RQL.Types.SchemaCache
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import Hasura.RQL.Types.Table
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import Hasura.SQL.Backend
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import Hasura.SQL.Types
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import Hasura.Server.Types
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import Hasura.Server.Utils
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import Hasura.Session
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import qualified Hasura.Backends.MSSQL.Types as MT
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import Hasura.Backends.MSSQL.DDL.BoolExp as M
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import Hasura.Backends.MSSQL.DDL.Source as M
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buildComputedFieldInfo
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:: (MonadError QErr m)
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=> HashSet (TableName 'MSSQL)
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-> TableName 'MSSQL
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-> ComputedFieldName
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-> ComputedFieldDefinition 'MSSQL
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-> RawFunctionInfo
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-> Maybe Text
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-> m (ComputedFieldInfo 'MSSQL)
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buildComputedFieldInfo _ _ _ _ _ _ =
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throw400 NotSupported "Computed fields aren't supported for MSSQL sources"
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buildRemoteFieldInfo
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:: (MonadError QErr m)
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=> RemoteRelationship 'MSSQL
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-> [ColumnInfo 'MSSQL]
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-> RemoteSchemaMap
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-> m (RemoteFieldInfo 'MSSQL, [SchemaDependency])
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buildRemoteFieldInfo _ _ _ =
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throw400 NotSupported "Remote joins aren't supported for MSSQL sources"
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fetchAndValidateEnumValues
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:: (Monad m)
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=> SourceConfig 'MSSQL
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-> TableName 'MSSQL
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-> Maybe (PrimaryKey 'MSSQL (RawColumnInfo 'MSSQL))
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-> [RawColumnInfo 'MSSQL]
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-> m (Either QErr EnumValues)
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fetchAndValidateEnumValues _ _ _ _ = runExceptT $
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throw400 NotSupported "Enum tables are not supported for MSSQL sources"
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createTableEventTrigger
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:: (Monad m)
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=> ServerConfigCtx
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-> SourceConfig 'MSSQL
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-> TableName 'MSSQL
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-> [ColumnInfo 'MSSQL]
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-> TriggerName
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-> TriggerOpsDef
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-> m (Either QErr ())
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createTableEventTrigger _ _ _ _ _ _ = runExceptT $
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throw400 NotSupported "Cannot create table event triggers in MSSQL sources"
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buildEventTriggerInfo
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:: MonadError QErr m
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=> Env.Environment
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-> SourceName
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-> TableName 'MSSQL
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-> EventTriggerConf
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-> m (EventTriggerInfo, [SchemaDependency])
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buildEventTriggerInfo _ _ _ _ =
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throw400 NotSupported "Table event triggers are not supported for MSSQL sources"
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buildFunctionInfo
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:: (MonadError QErr m)
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=> SourceName
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-> FunctionName 'MSSQL
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-> SystemDefined
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-> FunctionConfig
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-> [FunctionPermissionMetadata]
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-> RawFunctionInfo
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-> m (FunctionInfo 'MSSQL, SchemaDependency)
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buildFunctionInfo _ _ _ _ _ _ =
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throw400 NotSupported "SQL Functions are not supported for MSSQL source"
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updateColumnInEventTrigger
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:: TableName 'MSSQL
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-> Column 'MSSQL
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-> Column 'MSSQL
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-> TableName 'MSSQL
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-> EventTriggerConf
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-> EventTriggerConf
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updateColumnInEventTrigger _ _ _ _ = id
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parseCollectableType
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:: (MonadError QErr m)
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=> CollectableType (ColumnType 'MSSQL)
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-> Value
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-> m (PartialSQLExp 'MSSQL)
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parseCollectableType collectableType = \case
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String t
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| isSessionVariable t -> pure $ mkTypedSessionVar collectableType $ mkSessionVariable t
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| isReqUserId t -> pure $ mkTypedSessionVar collectableType userIdHeader
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val -> case collectableType of
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CollectableTypeScalar scalarType ->
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PSESQLExp . MT.ValueExpression <$> parseScalarValueColumnType scalarType val
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CollectableTypeArray _ ->
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throw400 NotSupported "Array types are not supported in MSSQL backend"
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mkTypedSessionVar
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:: CollectableType (ColumnType 'MSSQL)
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-> SessionVariable -> PartialSQLExp 'MSSQL
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mkTypedSessionVar columnType =
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PSESessVar (msColumnTypeToScalarType <$> columnType)
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msColumnTypeToScalarType :: ColumnType 'MSSQL -> ScalarType 'MSSQL
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msColumnTypeToScalarType = \case
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ColumnScalar scalarType -> scalarType
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ColumnEnumReference _ -> MT.TextType
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