| Copyright | (c) Eitan Chatav 2019 |
|---|---|
| Maintainer | [email protected] |
| Stability | experimental |
| Safe Haskell | None |
| Language | Haskell2010 |
Squeal.PostgreSQL.Query.From
Contents
Description
from clauses
Synopsis
- newtype FromClause (lat :: FromType) (with :: FromType) (db :: SchemasType) (params :: [NullType]) (from :: FromType) = UnsafeFromClause {}
- table :: (Has sch db schema, Has tab schema (Table table)) => Aliased (QualifiedAlias sch) (alias ::: tab) -> FromClause lat with db params '[alias ::: TableToRow table]
- subquery :: Aliased (Query lat with db params) query -> FromClause lat with db params '[query]
- view :: (Has sch db schema, Has vw schema (View view)) => Aliased (QualifiedAlias sch) (alias ::: vw) -> FromClause lat with db params '[alias ::: view]
- common :: Has cte with common => Aliased Alias (alias ::: cte) -> FromClause lat with db params '[alias ::: common]
From Clause
newtype FromClause (lat :: FromType) (with :: FromType) (db :: SchemasType) (params :: [NullType]) (from :: FromType) Source #
A FromClause can be a table name, or a derived table such
as a subquery, a JOIN construct, or complex combinations of these.
Constructors
| UnsafeFromClause | |
Fields | |
Instances
| Additional (FromClause lat with db params :: FromType -> Type) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods also :: FromClause lat with db params ys -> FromClause lat with db params xs -> FromClause lat with db params (Join xs ys) Source # | |
| Eq (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods (==) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # (/=) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # | |
| Ord (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods compare :: FromClause lat with db params from -> FromClause lat with db params from -> Ordering # (<) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # (<=) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # (>) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # (>=) :: FromClause lat with db params from -> FromClause lat with db params from -> Bool # max :: FromClause lat with db params from -> FromClause lat with db params from -> FromClause lat with db params from # min :: FromClause lat with db params from -> FromClause lat with db params from -> FromClause lat with db params from # | |
| Show (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods showsPrec :: Int -> FromClause lat with db params from -> ShowS # show :: FromClause lat with db params from -> String # showList :: [FromClause lat with db params from] -> ShowS # | |
| Generic (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Associated Types type Rep (FromClause lat with db params from) :: Type -> Type # Methods from :: FromClause lat with db params from -> Rep (FromClause lat with db params from) x # to :: Rep (FromClause lat with db params from) x -> FromClause lat with db params from # | |
| NFData (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods rnf :: FromClause lat with db params from -> () # | |
| RenderSQL (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From Methods renderSQL :: FromClause lat with db params from -> ByteString Source # | |
| type Rep (FromClause lat with db params from) Source # | |
Defined in Squeal.PostgreSQL.Query.From type Rep (FromClause lat with db params from) = D1 (MetaData "FromClause" "Squeal.PostgreSQL.Query.From" "squeal-postgresql-0.6.0.1-2mcKKIXTe9UEFlpcl38Onr" True) (C1 (MetaCons "UnsafeFromClause" PrefixI True) (S1 (MetaSel (Just "renderFromClause") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 ByteString))) | |
Arguments
| :: (Has sch db schema, Has tab schema (Table table)) | |
| => Aliased (QualifiedAlias sch) (alias ::: tab) | (renamable) table alias |
| -> FromClause lat with db params '[alias ::: TableToRow table] |
A real table is a table from the database.
Arguments
| :: Aliased (Query lat with db params) query | aliased |
| -> FromClause lat with db params '[query] |
Arguments
| :: (Has sch db schema, Has vw schema (View view)) | |
| => Aliased (QualifiedAlias sch) (alias ::: vw) | (renamable) view alias |
| -> FromClause lat with db params '[alias ::: view] |