Aikesheng Open Source Community
Jul 16, 2024 · Databases
How to Resolve MySQL "Index column size too large" (Error 1709) After Upgrading to 8.0.21
This article analyzes the MySQL 1709/1071 index‑column‑size‑too‑large error that appears after upgrading from 5.6 to 8.0.21, explains its relation to compact/redundant row formats, references the underlying bug, and provides practical steps and SQL queries to detect and fix affected tables before or after the upgrade.
Database upgradeDynamicError 1709
0 likes · 12 min read