3337
MariaDBWARNINGNotableInnoDB / SchemaHIGH confidence
Native table structure is wrong; repair required
Production Risk
Medium — affected system functionality may be degraded until repaired.
How to reproduce
trigger — this will error
trigger — this will error
-- Detected at startup or during mysql_upgrade.
expected output
Warning 3337: Incorrect definition of table mysql.schema_table; expected column 'col' at position N.
Fix
Run upgrade procedure
Run upgrade procedure
-- Execute: mysqlcheck --all-databases --auto-repair
Why this works
mysqlcheck detects and repairs structural mismatches in native tables.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3337 ER_WARN_WRONG_NATIVE_TABLE_STRUCTURE
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