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definition:
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someDBKeyProjections :: (Read b, Show b) => KeyPred a -> [Int] -> [ColVal]
-> Query [(Key,b)]
someDBKeyProjections keyPred cols cvs = Query $
do let colnames = commaSep (map ((colNames keyPred) !!) cols)
rows <- selectSomeRows keyPred cvs ("_rowid_,"++colnames)
mapM readKeyInfo rows
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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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--- Returns a list of column projections on
--- those entries that match the given value
--- restrictions for columns. Safe to use even on large databases if
--- the number of results is small.
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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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someDBKeyProjections
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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 b, Prelude.Show b) => (Prelude.Int -> a -> Dynamic)
-> [Prelude.Int] -> [ColVal] -> Query [(Prelude.Int, b)]
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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