Fix entire db flush when no "only" keys found #15
+60
−5
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Resolves bug that would wipe the entire Redis db when an
only
specification is provided but there are no matching keys in the db. This is achieved by defaulting theonly
andexcept
arguments to benil
, which signals that they have not been set whereas implementation before was ambiguous. And ifonly
has not been set, then the code knows to use all Redis keys.Closes #12