MySQL Stored Routines (functions and procedures) are not only used for improving performance but also they’re handy when it comes to enhancing security and restricting user access. This post briefs you about security aspects of stored routines by means of example. By the definition of a Stored Routine, - DEFINER clause specifies the creator of […]
Several people have suggested a more flexible approach at mysqldump output in matter of user privileges. When you dump the data structure for views, triggers, and stored routines, you also dump the permissions related to such objects, with the DEFINER clause. It would be nice to have such DEFINER clauses removed, or even replaced with the appropriate users in the new database.
The mysqldump filter was created with this need in mind. It allows you to remove all DEFINER clauses and eventually replacing them with a better one. For example:
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