Tim AbdullaandGitHub
1c60b50e2e
The aggregate functions SUM(), MAX(), MIN(), AVG(), and COUNT() are now supported.
51 lines
1.5 KiB
Haskell
51 lines
1.5 KiB
Haskell
module PostgREST.Plan.ReadPlan
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( ReadPlanTree
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, ReadPlan(..)
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, JoinCondition(..)
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) where
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import Data.Tree (Tree (..))
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import PostgREST.ApiRequest.Types (Alias, Depth, Hint,
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JoinType, NodeName)
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import PostgREST.Plan.Types (CoercibleLogicTree,
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CoercibleOrderTerm,
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CoercibleSelectField (..),
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RelSelectField (..))
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import PostgREST.RangeQuery (NonnegRange)
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import PostgREST.SchemaCache.Identifiers (FieldName,
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QualifiedIdentifier)
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import PostgREST.SchemaCache.Relationship (Relationship)
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import Protolude
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type ReadPlanTree = Tree ReadPlan
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data JoinCondition =
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JoinCondition
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(QualifiedIdentifier, FieldName)
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(QualifiedIdentifier, FieldName)
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deriving (Eq, Show)
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data ReadPlan = ReadPlan
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{ select :: [CoercibleSelectField]
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, from :: QualifiedIdentifier
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, fromAlias :: Maybe Alias
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, where_ :: [CoercibleLogicTree]
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, order :: [CoercibleOrderTerm]
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, range_ :: NonnegRange
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, relName :: NodeName
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, relToParent :: Maybe Relationship
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, relJoinConds :: [JoinCondition]
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, relAlias :: Maybe Alias
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, relAggAlias :: Alias
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, relHint :: Maybe Hint
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, relJoinType :: Maybe JoinType
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, relIsSpread :: Bool
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, relSelect :: [RelSelectField]
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, depth :: Depth
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-- ^ used for aliasing
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}
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deriving (Eq, Show)
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