Move scheduler tasks from serialized data to JSON
Serializing is not clean at all and can potentially have security-implications. If we just want to store data we should use JSON for that. It would also make accessing/reading/... that data manually or by other scripts easier.
As a migration-path let's create new columns for the json-data then and create a migration-script.
- Subject changed from Move from tasks from serialized data to JSON to Move scheduler tasks from serialized data to JSON
- Related to Task #84717: Reconsider serialized array for Linkvalidator added
This feature would also solve the issue, that it is not possible to migrate scheduler task with plain SQL commands -> see #55548
- Related to Bug #55548: Scheduler: Invalid task uid after Database duplication added
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