yannk/data-objectdriver — pull request #6 by usualoma (2012-11-09 09:17:22+00:00)
Title: Can not use DBD::Oracle's prepare_cached for arbitrary SQL.

In DBD::Oracle, since a cursor created by the prepare_cached is not
released by the "$statement->finish" (but released by "$statement->DESTROY"),
cursor leak occurs if prepare_cached is applied to all SQL.

#### Reference
https://github.com/yanick/DBD-Oracle/blob/master/dbdimp.c#L4018