MySQL 1252: Partition does not exist.

What is MySQL 1252: Partition does not exist.

Verify the existence of the partition:

SELECT PARTITIONNAME FROM INFORMATIONSCHEMA.PARTITIONS WHERE TABLESCHEMA = 'yourdatabasename' AND TABLENAME = 'yourtablename';

Check the table's partitioning scheme:

SHOW CREATE TABLE yourtablename\G

If the partition supposed to exist, try to reorganize partitions if applicable or adjust your query to target existing partitions. If attempting reorganization, ensure you have a backup:

ALTER TABLE yourtablename REORGANIZE PARTITION existingpartition INTO (PARTITION newpartition VALUES LESS THAN (...));

If the partition is missing and needs to be created:

ALTER TABLE yourtablename ADD PARTITION (PARTITION partition_name VALUES LESS THAN (...));

Verify that the partition was added successfully:

SELECT PARTITIONNAME FROM INFORMATIONSCHEMA.PARTITIONS WHERE TABLESCHEMA = 'yourdatabasename' AND TABLENAME = 'yourtablename';