Обсуждение: Pg JDBC3 driver and savepoints

Has anyone here used the Spring Framework and JDBC template and nested transactions?  The documentation for Spring claims that if the JDBC driver supports save points then it would use them in particular situations, for example when you marked a method as a nested transaction.   I know postgres supports save points and that I can manually save point, but the spring framework is not detecting the driver supports save points. Is there some savepoint interface that has to be implemented?

On Fri, 1 Feb 2008, Matt Chambers wrote:

> Has anyone here used the Spring Framework and JDBC template and nested
> transactions?  The documentation for Spring claims that if the JDBC driver
> supports save points then it would use them in particular situations, for
> example when you marked a method as a nested transaction.   I know postgres
> supports save points and that I can manually save point, but the spring
> framework is not detecting the driver supports save points. Is there some
> savepoint interface that has to be implemented?
>

I would guess Spring would use DatabaseMetaData.supportsSavepoints() to
determine if it can use savepoints.  Our implementation of that says,
"return connection.haveMinimumServerVersion("8.0");", so as long as you've
got a 8.0+ server it should work.  For more details you'd have to ask the
Spring people.

Kris Jurka