Dry-run Database Scheduler #968
                
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Description
Introduces the
DryRunDatabaseSchedulerto read Periodic Tasks from the database while operating in dry-run mode.The dry-run mode is useful for setting up projects with Periodic Tasks stored in the Django database while skipping their execution in development environments lower than production, such as local environments.
The Scheduler class inherits from
DatabaseSchedulerand overwrites theapply_entrymethod to log the triggered tasks instead of actually running them.It fixes the issue #942