graphql-engine/server/src-lib/Hasura/Backends/MSSQL/DDL/BoolExp.hs
Vladimir Ciobanu 281cb771ff server: add MSSQL support
Co-authored-by: Rakesh Emmadi <12475069+rakeshkky@users.noreply.github.com>
Co-authored-by: Antoine Leblanc <1618949+nicuveo@users.noreply.github.com>
Co-authored-by: Vamshi Surabhi <6562944+0x777@users.noreply.github.com>
Co-authored-by: Aravind K P <8335904+scriptonist@users.noreply.github.com>
GitOrigin-RevId: 699c453b9692e1b822f393f23ff5e6db4e010d57
2021-02-23 17:38:36 +00:00

68 lines
2.1 KiB
Haskell

module Hasura.Backends.MSSQL.DDL.BoolExp where
import Hasura.Prelude
import qualified Data.Aeson as J
import qualified Data.HashMap.Strict as Map
import Hasura.Backends.MSSQL.Instances.Types ()
import Hasura.Backends.MSSQL.Types hiding (ColumnType)
import Hasura.RQL.IR.BoolExp
import Hasura.RQL.Types.Column
import Hasura.RQL.Types.Error
import Hasura.RQL.Types.SchemaCache
import Hasura.SQL.Backend
import Hasura.SQL.Types
parseBoolExpOperations
:: forall m v
. (MonadError QErr m) -- , TableCoreInfoRM 'MSSQL m)
=> ValueParser 'MSSQL m v
-> FieldInfoMap (FieldInfo 'MSSQL)
-> ColumnInfo 'MSSQL
-> J.Value
-> m [OpExpG 'MSSQL v]
parseBoolExpOperations rhsParser _fields columnInfo value =
withPathK (columnNameText $ pgiColumn columnInfo) $
parseOperations (pgiType columnInfo) value
where
parseWithTy ty = rhsParser (CollectableTypeScalar ty)
parseOperations :: ColumnType 'MSSQL -> J.Value -> m [OpExpG 'MSSQL v]
parseOperations columnType = \case
J.Object o -> mapM (parseOperation columnType) $ Map.toList o
v -> pure . AEQ False <$> parseWithTy columnType v
parseOperation :: ColumnType 'MSSQL -> (Text, J.Value) -> m (OpExpG 'MSSQL v)
parseOperation columnType (opStr, val) = withPathK opStr $
case opStr of
"_eq" -> parseEq
"$eq" -> parseEq
"_neq" -> parseNeq
"$neq" -> parseNeq
"_gt" -> parseGt
"$gt" -> parseGt
"_lt" -> parseLt
"$lt" -> parseLt
"_gte" -> parseGte
"$gte" -> parseGte
"_lte" -> parseLte
"$lte" -> parseLte
x -> throw400 UnexpectedPayload $ "Unknown operator : " <> x
where
parseOne = parseWithTy columnType val
parseEq = AEQ False <$> parseOne
parseNeq = ANE False <$> parseOne
parseGt = AGT <$> parseOne
parseLt = ALT <$> parseOne
parseGte = AGTE <$> parseOne
parseLte = ALTE <$> parseOne