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Make isJust_ == not . isNothing_ #442

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Make isJust_ == not . isNothing_ #442

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2 changes: 1 addition & 1 deletion beam-core/Database/Beam/Query/Combinators.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -841,7 +841,7 @@ instance BeamSqlBackend be => SqlDeconstructMaybe be (QGenExpr ctxt be s (Maybe

instance ( BeamSqlBackend be, Beamable t)
=> SqlDeconstructMaybe be (t (Nullable (QGenExpr ctxt be s))) (t (QGenExpr ctxt be s)) s where
isJust_ t = allE (allBeamValues (\(Columnar' e) -> isJust_ e) t)
isJust_ = not_ . isNothing_
isNothing_ t = allE (allBeamValues (\(Columnar' e) -> isNothing_ e) t)
maybe_ (QExpr onNothing) onJust tbl =
let QExpr onJust' = onJust (changeBeamRep (\(Columnar' (QExpr e)) -> Columnar' (QExpr e)) tbl)
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