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|
module Query.Type
( module Query.Field,
module Query.Record,
Collection,
Comparison (..),
EmbedClause (..),
EmbedClauses,
FieldSelector (..),
JoinClause (..),
JoinClauses,
JoinType (..),
Query (..),
WhereClause (..),
)
where
import Data.List.NonEmpty qualified as N
import Query.Field
import Query.Record
data Query
= Select
FieldSelector
Collection
(JoinClauses FilePath)
(EmbedClauses FilePath)
(Maybe WhereClause)
data FieldSelector
= All
| Only (N.NonEmpty Field)
deriving (Show)
type Collection = FilePath
type JoinClauses a = [JoinClause a]
data JoinClause a
= JoinClause JoinType a (Maybe WhereClause)
deriving (Show)
data JoinType
= JoinLeft
| JoinRight
| JoinFull
deriving (Show)
type EmbedClauses a = [EmbedClause a]
data EmbedClause a
= EmbedClause a (Maybe WhereClause)
deriving (Show)
data WhereClause
= And [WhereClause]
| Or [WhereClause]
| Where Comparison
deriving (Show)
data Comparison
= Eq Field Field
deriving (Show)
|
