graphql-engine/server/src-lib/Hasura/Backends/MSSQL/DDL/Source.hs
Antoine Leblanc 2152911e24 server: introduce Hasura.Base (take 2)
GitOrigin-RevId: 0dd10f1ccd338b1cf382ebff59b6ee7f209d39a1
2021-05-11 15:19:33 +00:00

44 lines
1.3 KiB
Haskell

module Hasura.Backends.MSSQL.DDL.Source
( resolveSourceConfig
, resolveDatabaseMetadata
, postDropSourceHook
)
where
import Hasura.Prelude
import Hasura.Backends.MSSQL.Connection
import Hasura.Backends.MSSQL.Meta
import Hasura.Base.Error
import Hasura.RQL.Types.Common
import Hasura.RQL.Types.Source
import Hasura.SQL.Backend
import Hasura.Server.Types (MaintenanceMode)
resolveSourceConfig
:: (MonadIO m)
=> SourceName
-> MSSQLConnConfiguration
-> m (Either QErr MSSQLSourceConfig)
resolveSourceConfig _name (MSSQLConnConfiguration connInfo) = runExceptT do
(connString, mssqlPool) <- createMSSQLPool connInfo
pure $ MSSQLSourceConfig connString mssqlPool
resolveDatabaseMetadata
:: (MonadIO m)
=> MSSQLSourceConfig
-> MaintenanceMode
-> m (Either QErr (ResolvedSource 'MSSQL))
resolveDatabaseMetadata config _maintenanceMode = runExceptT do
dbTablesMetadata <- loadDBMetadata pool
pure $ ResolvedSource config dbTablesMetadata mempty mempty
where
MSSQLSourceConfig _connString pool = config
postDropSourceHook
:: (MonadIO m)
=> MSSQLSourceConfig -> m ()
postDropSourceHook (MSSQLSourceConfig _ pool) =
-- Close the connection
liftIO $ drainMSSQLPool pool