About: Prune History allows:
- To prune manually history table according a date range
- To save the table before a purge and restore it if you made a mistake
- To download the saved table as a SQL file
- To automatically purge the table according to a criterion of data retention
Changes: Compatibility with Piwigo 2.9. "summarized" column is no longer used. It has been removed from SQL requests in the plugin.