|
definition:
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attr2combPrimaryKey :: [Attribute] -> String
attr2combPrimaryKey (Attribute name _ PKey _ : atr) =
"'" ++ name ++ "'" ++
(case attr2combPrimaryKey atr of
"" -> ""
x -> ", " ++ x)
attr2combPrimaryKey (Attribute _ _ Unique _ : atr) = attr2combPrimaryKey atr
attr2combPrimaryKey (Attribute _ _ NoKey _ : atr) = attr2combPrimaryKey atr
attr2combPrimaryKey [] = ""
|
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demand:
|
argument 1
|
|
deterministic:
|
deterministic operation
|
|
documentation:
|
-- Write a combined primary key
|
|
failfree:
|
_
|
|
indeterministic:
|
referentially transparent operation
|
|
infix:
|
no fixity defined
|
|
iotype:
|
{({:}) |-> _ || ({[]}) |-> {[]}}
|
|
name:
|
attr2combPrimaryKey
|
|
precedence:
|
no precedence defined
|
|
result-values:
|
_
|
|
signature:
|
[Database.ERD.Attribute] -> String
|
|
solution-complete:
|
operation might suspend on free variables
|
|
terminating:
|
yes
|
|
totally-defined:
|
reducible on all ground data terms
|