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Update explanation of the set_location() method to indicate that in 

BTree databases, the key need not be in the database.  Also, tell about
the exception if the key is not in the DB for other DB types.

This closes SF bug #127377.
This commit is contained in:
Fred Drake 2001-01-05 06:44:19 +00:00
parent a4d18a008f
commit e1d4715a6f
1 changed files with 7 additions and 1 deletions
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8
Doc/lib/libbsddb.tex
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@ -103,7 +103,13 @@ Return \code{1} if the DB file contains the argument as a key.
\end{methoddesc}
\begin{methoddesc}{set_location}{key}
Set the cursor to the item indicated by the key and return it.
Set the cursor to the item indicated by \var{key} and return a tuple
containing the key and its value. For binary tree databases (opened
using \function{btopen()}), if \var{key} does not actually exist in
the database, the cursor will point to the next item in sorted order
and return that key and value. For other databases,
\exception{KeyError} will be raised if \var{key} is not found in the
database.
\end{methoddesc}
\begin{methoddesc}{first}{}