owncloud/core — pull request #12695 by icewind1991 (2014-12-08 13:37:53+00:00)
Title: Add dropTable to IDBConnection

And check if the table exists before we try to drop it.

Fixes an issue with upgrading files_trashbin if the `files_trashsize` table doesnt exist

cc @PVince81 @DeepDiver1975