1599
MariaDBERRORCriticalSystem TablesHIGH confidence
Column count mismatch in system table — run mysql_upgrade
Production Risk
High — many MySQL operations may fail until the system tables are upgraded.
What this means
The column count of a MySQL system table does not match what the server expects; mysql_upgrade needs to be run.
Why it happens
- 1Upgrading MySQL without running mysql_upgrade afterward.
- 2The server was upgraded but the system tables were not migrated to the new schema.
How to reproduce
trigger — this will error
trigger — this will error
-- Surfaces automatically when MySQL accesses an outdated system table.
expected output
ERROR 1599 (HY000): Column count of <table> is wrong. Expected <N>, found <M>. The table is probably corrupted
Fix
Run mysql_upgrade
Run mysql_upgrade
mysql_upgrade -u root -p
Why this works
mysql_upgrade updates system tables to match the current server version schema.
What not to do
✕
Version notes
Sources
Official documentation ↗
MySQL 8.0 — 1599 ER_COL_COUNT_DOESNT_MATCH_PLEASE_UPDATE
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