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definition:
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avg :: Specifier -> ColumnDescription _ -> Fun Float
avg spec (ColDesc name _ _ _) =
("Avg( "++ (trSpecifier spec),
(ColDesc name SQLTypeFloat (\f -> (SQLFloat f)) getFloatValue))
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demand:
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argument 2
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deterministic:
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deterministic operation
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documentation:
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--- Constructor for aggregation function avg
--- in select-clauses.
--- A pseudo-ResultColumnDescription of type
--- float is created for correct return type.
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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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{(_,{ColDesc}) |-> {(,)}}
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name:
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avg
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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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Database.CDBI.Criteria.Specifier
-> Database.CDBI.Description.ColumnDescription a
-> (String, Database.CDBI.Description.ColumnDescription Prelude.Float)
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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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yes
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totally-defined:
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possibly non-reducible on same data term
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