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