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definition:
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minTestDelete :: (Read t, Show t, Eq a, Show a) =>
String -> (Key -> t -> Dynamic) -> (Key -> t -> en)
-> (en -> a) -> Int -> a -> Transaction ()
minTestDelete ename entrypred info2entry selector min attr =
getDB (getAllEntities entrypred info2entry) |>>= \es ->
if length (filter (\e -> selector e == attr) es) > min
then doneT
else errorT (TError MinError ("below min for attribute "
++show attr++" in entity "++ename))
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demand:
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no demanded arguments
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deterministic:
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deterministic operation
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documentation:
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-- Minimum test before deleting a relationship
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
|
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iotype:
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{(_,_,_,_,_,_,_,_,_,_) |-> _}
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name:
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minTestDelete
|
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precedence:
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no precedence defined
|
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result-values:
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_
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signature:
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(Prelude.Read a, Prelude.Show a, Prelude.Eq c, Prelude.Show c) => String
-> (Prelude.Int -> a -> Database.KeyDatabaseSQLite.Dynamic) -> (Prelude.Int -> a
-> b) -> (b -> c) -> Prelude.Int -> c
-> Database.KeyDatabaseSQLite.Transaction ()
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solution-complete:
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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
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