| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Opaleye.Internal.Sql
Synopsis
- data Select
- data SelectAttrs
- data From = From {}
- data Join = Join {}
- data Values = Values {
- vAttrs :: SelectAttrs
- vValues :: [[SqlExpr]]
- data Binary = Binary {}
- data JoinType
- data BinOp
- data Label = Label {}
- data Returning a = Returning a (NonEmpty SqlExpr)
- data Exists = Exists {}
- sqlQueryGenerator :: PrimQueryFold' Void Select
- exists :: Bool -> Select -> Select -> Select
- sql :: ([PrimExpr], PrimQuery' Void, Tag) -> Select
- unit :: Select
- empty :: Void -> select
- baseTable :: TableIdentifier -> [(Symbol, PrimExpr)] -> Select
- product :: NonEmpty Select -> [PrimExpr] -> Select
- aggregate :: [(Symbol, (Maybe (AggrOp, [OrderExpr], AggrDistinct), PrimExpr))] -> Select -> Select
- aggrExpr :: Maybe (AggrOp, [OrderExpr], AggrDistinct) -> PrimExpr -> PrimExpr
- distinctOnOrderBy :: Maybe (NonEmpty PrimExpr) -> [OrderExpr] -> Select -> Select
- limit_ :: LimitOp -> Select -> Select
- join :: JoinType -> PrimExpr -> Bindings PrimExpr -> Bindings PrimExpr -> Select -> Select -> Select
- values :: [Symbol] -> NonEmpty [PrimExpr] -> Select
- binary :: BinOp -> [(Symbol, (PrimExpr, PrimExpr))] -> (Select, Select) -> Select
- joinType :: JoinType -> JoinType
- binOp :: BinOp -> BinOp
- newSelect :: From
- sqlExpr :: PrimExpr -> SqlExpr
- sqlBinding :: (Symbol, PrimExpr) -> (SqlExpr, Maybe SqlColumn)
- ensureColumns :: [(SqlExpr, Maybe a)] -> NonEmpty (SqlExpr, Maybe a)
- ensureColumnsGen :: (SqlExpr -> a) -> [a] -> NonEmpty a
- label :: String -> Select -> Select
- relExpr :: PrimExpr -> [(Symbol, PrimExpr)] -> Select
Documentation
Constructors
| SelectFrom From | |
| Table SqlTable | |
| RelExpr SqlExpr | A relation-valued expression |
| SelectJoin Join | |
| SelectValues Values | |
| SelectBinary Binary | |
| SelectLabel Label | |
| SelectExists Exists |
data SelectAttrs Source #
Constructors
| Star | |
| SelectAttrs (NonEmpty (SqlExpr, Maybe SqlColumn)) | |
| SelectAttrsStar (NonEmpty (SqlExpr, Maybe SqlColumn)) |
Instances
| Show SelectAttrs Source # | |
Defined in Opaleye.Internal.Sql Methods showsPrec :: Int -> SelectAttrs -> ShowS # show :: SelectAttrs -> String # showList :: [SelectAttrs] -> ShowS # | |
Constructors
| From | |
Constructors
| Values | |
Fields
| |
Constructors
| Exists | |
Fields
| |
aggregate :: [(Symbol, (Maybe (AggrOp, [OrderExpr], AggrDistinct), PrimExpr))] -> Select -> Select Source #
join :: JoinType -> PrimExpr -> Bindings PrimExpr -> Bindings PrimExpr -> Select -> Select -> Select Source #
ensureColumnsGen :: (SqlExpr -> a) -> [a] -> NonEmpty a Source #
For ensuring that we have at least one column in a SELECT or RETURNING