Document alignBy
commita09f12872fad2a7b4a5b327bba8b44b8cc71d259
authorOllie Charles <ollie@ocharles.org.uk>
dateWed 24 Mar 2021, 11:39 (6 years ago)
parent0b718ac
src/Rel8/Query/These.hs+1
@@ -40,6 +40,7 @@ import Rel8.Table.These
4040import Rel8.Type.Tag ( EitherTag( IsLeft, IsRight ) )
4141
4242
43+-- | Corresponds to a @FULL OUTER JOIN@ between two queries.
4344alignBy :: (Table Expr a, Table Expr b)
4445 => (a -> b -> Expr Bool)
4546 -> Query a -> Query b -> Query (TheseTable a b)