|
definition:
|
isRelevantForEntity :: Entity -> [Attribute] -> Bool
isRelevantForEntity (Entity ename a) (attr:attrs) =
case attr of
(Attribute _ (KeyDom name) _ _) -> ename == name
_ -> isRelevantForEntity (Entity ename a) attrs
isRelevantForEntity _ [] = False
|
|
demand:
|
argument 2
|
|
deterministic:
|
deterministic operation
|
|
documentation:
|
-- An entity is relevant for a list of attributes if the first Key attribute
-- is a key to this entity.
|
|
failfree:
|
(_, _)
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{({Entity},{:}) |-> _ || (_,{[]}) |-> {False}}
|
|
name:
|
isRelevantForEntity
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
_
|
|
signature:
|
Database.ERD.Entity -> [Database.ERD.Attribute] -> Prelude.Bool
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
possibly non-terminating
|
|
totally-defined:
|
reducible on all ground data terms
|