Re: What's the meaning of mysqli.rollback_on_cached_plink?

2018-04-24 18:05 GMT+02:00 Christoph M. Becker <cmbecker69@gmx.de>: > Hi everybody! > > While updating the German translation, I've stumbled upon > mysqli.rollback_on_cached_plink, which is documented[1] as: > > | Used for rollbacking connections put back into the persistent > | connection pool. > > The migration guide[2] uses a slightly different wording: > > | […] to rollback connections put back into the persistent connection > | pool. > > Frankly, I don't understand what that's supposed to mean (are these even > proper English sentences?) > > The respective commit[3] message isn't more helpful, but from reading > the actual commit, it seems that: > > If mysqli.rollback_on_cached_plink is enabled, and a persistent > connection is closed, it is attempted to rollback any pending > transactions, and if that succeeds, the persistent connection is > actually closed, instead of putting it back into the persistent > connection pool. If mysqli.rollback_on_cached_plink is disabled, no > attempt to rollback or close the connection is made, and it is put back > into the persistent connection pool. > > Is that correct? Any clarification is welcome! > > [1] > > <http://www.php.net/manual/en/mysqli.configuration.php#ini.mysqli.rollback-on-cached-plink> > [2] > > <http://de2.php.net/manual/en/migration56.extensions.php#migration56.extensions.mysqli> > [3] > > <http://git.php.net/?p=php-src.git;a=commit;h=7807d7d0ce4cbb2c10e7b9d9ae6d9a86a9c43d12> > > -- > Christoph M. Becker CC'ing some MySQL guys that may or may not be on the list -- regards, Kalle Sommer Nielsen kalle@php.net