3265
MySQLERRORNotablePartitioningHIGH confidence
Partition to reorganize before does not exist
Production Risk
Low — DDL fails without data modification.
How to reproduce
trigger — this will error
trigger — this will error
ALTER TABLE orders REORGANIZE PARTITION p_nonexistent INTO (PARTITION p_new VALUES LESS THAN (2025));
expected output
ERROR 3265 (HY000): Partition 'p_nonexistent' doesn't exist.
Fix
Check existing partitions
Check existing partitions
SHOW CREATE TABLE orders;
Why this works
Lists all partition names and definitions so you can use the correct name.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3265 ER_REORG_PARTITION_BEFORE_NOT_EXIST
Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev