|
definition:
|
oneToOne :: Entity -> [Relationship] -> [String]
oneToOne (Entity ename _) rel =
map (relatedRelation ename) (filter isOneToOne rel)
where
isOneToOne :: Relationship -> Bool
isOneToOne relationship = case relationship of
Relationship _ [(REnd _ _ (Exactly 1)), (REnd _ _ (Exactly 1))] -> True
_ -> False
|
|
demand:
|
arguments 1 2
|
|
deterministic:
|
deterministic operation
|
|
failfree:
|
<FAILING>
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{({Entity},_) |-> {:,[]}}
|
|
name:
|
oneToOne
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
{:,[]}
|
|
signature:
|
Database.ERD.Entity -> [Database.ERD.Relationship] -> [String]
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
possibly non-reducible on same data term
|