Aikesheng Open Source Community

Nov 6, 2025 · Databases

Why MySQL Crashes on TempTable Index Scans and How MySQL 8.0.30 Fixed It

A customer on MySQL 8.0.28 experienced a crash when a complex query used an internal temporary table, exposing a bug in the TempTable storage engine that caused a null pointer dereference during index initialization, a problem that was resolved in MySQL 8.0.30 with additional safety checks.