EC
1363
MariaDBerrorddlhigh confidence

Failed to drop event

Production Risk

Low — statement fails; no data affected.

What this means

DROP EVENT failed because the event does not exist or the user lacks privileges.

Why it happens
  1. 1Event does not exist in the specified database
  2. 2User lacks EVENT privilege
How to reproduce
trigger — this will error
trigger — this will error
DROP EVENT my_event;

expected output

ERROR 1363 (HY000): Failed to drop event 'my_event'

Fix

Use DROP EVENT IF EXISTS

Use DROP EVENT IF EXISTS
DROP EVENT IF EXISTS my_event;

Why this works

Prevents the error if the event does not exist.

Sources
Official documentation ↗

MySQL 8.0 — 1363 ER_EVENT_DROP_FAILED

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