How can I abort a running JDBC transaction?

Question

Is there a way to prematurely abort a transaction? Say, I have sent a command to the database which runs five minutes and after four, I want to abort it.

Does JDBC d

Answer 1

I am guessing what you want to do is prevent your application blocking on long running queries / transactions. To this end, JDBC supports the concept of a query time out. You can set the query timeout using this:

java.sql.Statement.setQueryTimeout(seconds)

And handle the SQLException thrown by the execute() method by rolling back the transaction (of course, that would only work if you have autocommit set to false, and your JDBC driver supports Statement.cancel()).