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When encountering the error 1246: Cannot merge partition in MySQL DB, follow these actions:
SHOW TABLE STATUS LIKE 'your
table
name';
SELECT PARTITION
NAME, TABLE
NAME, PARTITION
ORDINAL
POSITION, TABLE_SCHEMA
FROM information_schema.partitions
WHERE tablename='your
table
name' AND TABLE
SCHEMA='your
database
name';
SELECT * FROM information
schema.KEY
COLUMN
USAGE WHERE TABLE
NAME = 'your
table
name' AND CONSTRAINT
SCHEMA = 'your
database_name';
SHOW FULL COLUMNS FROM your
table
name;
SHOW VARIABLES LIKE 'log_error';
ALTER TABLE your
table
name REBUILD PARTITION partition_name;
Or optimize it with:ALTER TABLE your
table
name OPTIMIZE PARTITION partition_name;
Perform these actions step by step to diagnose and potentially resolve the "Cannot merge partition" error in MySQL.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)
Get Instant Solutions for Kubernetes, Databases, Docker and more
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(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)