Why Does "PARTITION BY HASH MONTH(date_column) PARTITIONS 12" Put December Dates into Partition `p0` ? (Doc ID 2958688.1)

Last updated on JULY 01, 2023

Applies to:

MySQL Server - Version 8.0 and later
Information in this document applies to any platform.

The partition number is picked by doing a MODULUS operation on the MONTH. Hence for December, 12 MOD 12 is 0, so p0 is chosen.

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