1921
MariaDBERRORNotableDDLHIGH confidence
Error during compilation of event's body
Production Risk
Low — event is not created; no runtime impact.
What this means
MySQL failed to compile the body of an event. The event body contains a SQL syntax error or references an object that does not exist at creation time.
Why it happens
- 1Syntax error in the DO clause of a CREATE EVENT or ALTER EVENT statement.
- 2Reference to a stored procedure or table that does not exist.
- 3Use of disallowed statements inside an event body.
How to reproduce
trigger — this will error
trigger — this will error
CREATE EVENT bad_event ON SCHEDULE EVERY 1 HOUR DO SELEKT 1; -- typo
expected output
ERROR 1921 (HY000): Error during compilation of event's body.
Fix
Correct the syntax in the event body
Correct the syntax in the event body
CREATE EVENT good_event ON SCHEDULE EVERY 1 HOUR DO SELECT 1;
Why this works
Fix any SQL syntax errors inside the DO clause before creating the event.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 1921 ER_EVENT_COMPILE_ERROR2
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