you should use
PARTITION BY KEY
because it can accept varchar, whereas HASH needs an expression that return an integer. RANGE partitioning is meaningless since you are using hash values for the key.
Frage
i got an mySQL Table with an uniqueID in MD5 (varchar32). What would be the best way to use Partition on this?
Thanks Advance
Lösung
you should use
PARTITION BY KEY
because it can accept varchar, whereas HASH needs an expression that return an integer. RANGE partitioning is meaningless since you are using hash values for the key.