db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "David W. Van Couvering" <David.Vancouver...@Sun.COM>
Subject Re: Bug with query timeout
Date Sat, 10 Sep 2005 05:05:47 GMT
+1 on the renaming, the layers of abstraction in this area of code are 
confusing enough as it is... :)


Daniel John Debrunner wrote:

>I think I just noticed an bug with the new query timeout function, I
>should have seen it during the review.
>The timeout is being set on the class GenericPreparedStatement, but this
>represents a statement plan and can be shared across multiple
>connections (through the statement cache). Thus if two connections
>execute the same statement with different timeouts, they will interfere
>with each other with the timeout values.
>I think the solution is to pass the timeout into the execute method of
>org.apache.derby.iapi.sql.PreparedStatement, not store it as a field in
>[ aside: Re-naming these classes to *Plan instead of *Statement might
>might the code easier to understand as they are not directly related to
>java.sql.PreparedStatement and do not behave like JDBC's PreparedStatement.
>end of aside ]

View raw message