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28 lines
1.1 KiB
Haskell
28 lines
1.1 KiB
Haskell
module Hasura.RQL.IR.RemoteJoin
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( RemoteJoin(..)
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) where
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import Hasura.Prelude
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import qualified Language.GraphQL.Draft.Syntax as G
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import Hasura.GraphQL.Parser hiding (field)
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import Hasura.RQL.IR.Select
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import Hasura.RQL.Types
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-- | A 'RemoteJoin' represents the context of remote relationship to be extracted from 'AnnFieldG's.
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data RemoteJoin (b :: BackendType)
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= RemoteJoin
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{ _rjName :: !FieldName -- ^ The remote join field name.
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, _rjArgs :: ![RemoteFieldArgument] -- ^ User-provided arguments with variables.
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, _rjSelSet :: !(G.SelectionSet G.NoFragments Variable) -- ^ User-provided selection set of remote field.
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, _rjHasuraFields :: !(HashSet FieldName) -- ^ Table fields.
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, _rjFieldCall :: !(NonEmpty FieldCall) -- ^ Remote server fields.
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, _rjRemoteSchema :: !RemoteSchemaInfo -- ^ The remote schema server info.
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, _rjPhantomFields :: ![ColumnInfo b]
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-- ^ Hasura fields which are not in the selection set, but are required as
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-- parameters to satisfy the remote join.
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}
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deriving instance Eq (RemoteJoin 'Postgres)
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