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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
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demand: |
arguments 1 2 |
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deterministic: |
deterministic operation |
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failfree: |
<FAILING> |
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indeterministic: |
referentially transparent operation |
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infix: |
no fixity defined |
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iotype: |
{({Entity},_) |-> {:,[]}}
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name: |
oneToOne |
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precedence: |
no precedence defined |
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result-values: |
{:,[]}
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signature: |
Database.ERD.Entity -> [Database.ERD.Relationship] -> [String] |
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solution-complete: |
operation might suspend on free variables |
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terminating: |
possibly non-terminating |
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totally-defined: |
possibly non-reducible on same data term |