I’m sorry, but for now there is no easy way to “enable” revisioning of postmeta. However, you can add post metadata to revisions. A guy named John Blackburn wrote a pretty good article about adding post metadata to revisions. You find it here: https://johnblackbourn.com/post-meta-revisions-wordpress
This is a much safer query to use and will remove related entries from the postmeta and term_relationship, unlike deathlocks query in his answer. Change the {id} to the id of each blog posts table. You can combine this query to run all the post tables at once, but try this on one table first. … Read more
This should be placed in your wp-config.php (and no where else): define( ‘AUTOSAVE_INTERVAL’, 60*60*60*24*365 ); // Set autosave interval to 1x per year define( ‘EMPTY_TRASH_DAYS’, 0 ); // Empty trash now: Zero days define( ‘WP_POST_REVISIONS’, false ); // Do not save andy revisions
Is it safe to directly delete all rows in the wp_posts table that have a post_type of revision? (I’ve seen conflicting answers on this—but I’d love to be able to just do it this way if it’s safe) Safe, it’s safe. If there is only one user (you) that can edit posts on the site … Read more
When you register your CPT, you need to manually add support for revisions. Only title and editor are set as defaults. Check out the codex. So if you need to enable revisions, you need to add it like this ‘supports’ => array( ‘title’, ‘editor’, ‘revisions’ ), in your $args = array() when registering your CPT. … Read more