1578
MariaDBERRORNotableEventsHIGH confidence
Event recursion is forbidden
Production Risk
Low — the nested CREATE/ALTER EVENT is refused.
What this means
An event attempted to create or alter another event, which is forbidden to prevent recursion.
Why it happens
- 1An event body contains a CREATE EVENT or ALTER EVENT statement.
How to reproduce
trigger — this will error
trigger — this will error
-- Inside an event: CREATE EVENT nested_event ON SCHEDULE EVERY 1 HOUR DO SELECT 1;
expected output
ERROR 1578 (HY000): Recursion of EVENT DDL statements is forbidden when body is present
Fix
Move event management outside of events
Move event management outside of events
-- Create/alter events from application code or scheduled jobs, not from within other events.
Why this works
MySQL prohibits recursive event DDL to prevent infinite scheduling chains.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 1578 ER_EVENT_RECURSION_FORBIDDEN
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