|
definition: |
manyToOne :: Entity -> [Relationship] -> [String]
manyToOne (Entity ename _) rel =
map (relatedRelation ename) (filter isManyToOne rel)
where
isManyToOne :: Relationship -> Bool
isManyToOne relationship = case relationship of
Relationship _ [REnd _ _ (Exactly 1),
REnd relEName _ (Between _ _)] -> relEName == ename
_ -> False
|
|
demand: |
arguments 1 2 |
|
deterministic: |
deterministic operation |
|
documentation: |
Returns for a given entities the many-to-one related entity names. |
|
failfree: |
<FAILING> |
|
indeterministic: |
referentially transparent operation |
|
infix: |
no fixity defined |
|
iotype: |
{({Entity},_) |-> {:,[]}}
|
|
name: |
manyToOne |
|
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 |