4121
MariaDBERRORCriticalHIGH confidence
Wrong object type for this operation
Production Risk
Low — The operation fails; no data is modified.
Why it happens
- 1A VIEW operation was attempted on a base table.
- 2A stored procedure was called with syntax meant for a function.
- 3An object of the wrong type was referenced in a DDL or DML statement.
Fix
Verify the object type before the operation
Verify the object type before the operation
SELECT TABLE_TYPE FROM information_schema.TABLES WHERE TABLE_NAME = 'obj_name';
Why this works
Confirms whether the named object is a BASE TABLE, VIEW, or other type.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 4121 ER_WRONG_OBJECT2
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