EC
1569
MariaDBERRORCommonPartitioningHIGH confidence

Wrong partition name

Production Risk

Low — the DDL fails; the table is unchanged.

What this means

The specified partition name is invalid or does not exist on the table.

Why it happens
  1. 1Referencing a partition name that does not exist.
  2. 2Using a reserved word or invalid identifier as a partition name.
How to reproduce
trigger — this will error
trigger — this will error
ALTER TABLE t DROP PARTITION nonexistent_partition;

expected output

ERROR 1569 (HY000): Wrong partition name or partition list

Fix

Verify partition names

Verify partition names
SELECT PARTITION_NAME FROM information_schema.PARTITIONS
WHERE TABLE_NAME = 't';

Why this works

List all existing partition names before referencing them in DDL statements.

Sources
Official documentation ↗

MySQL 8.0 — 1569 ER_WRONG_PARTITION_NAME

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