mirror of https://github.com/python/cpython
clarify the behavior of the .first() and .last() methods for empty
databases this should be backported to the release23-maint branch
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@ -135,6 +135,7 @@ database.
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\begin{methoddesc}{first}{}
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Set the cursor to the first item in the DB file and return it. The order of
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keys in the file is unspecified, except in the case of B-Tree databases.
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This method raises \exception{bsddb.error} if the database is empty.
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\end{methoddesc}
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\begin{methoddesc}{next}{}
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@ -153,6 +154,7 @@ with \function{hashopen()}).
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Set the cursor to the last item in the DB file and return it. The
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order of keys in the file is unspecified. This is not supported on
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hashtable databases (those opened with \function{hashopen()}).
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This method raises \exception{bsddb.error} if the database is empty.
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\end{methoddesc}
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\begin{methoddesc}{sync}{}
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