Error
Error Code:
1485
MariaDB Error 1485: Subpartition Count Mismatch
Description
This error indicates an inconsistency in the number of subpartitions defined for a MariaDB table. It occurs when a `CREATE TABLE` or `ALTER TABLE` statement specifies a subpartition count that conflicts with an existing definition or internal expectations.
Error Message
Wrong number of subpartitions defined, mismatch with previous setting
Known Causes
4 known causesInconsistent ALTER TABLE Statement
Modifying a partitioned table where the `ALTER TABLE` statement's subpartition specification conflicts with the table's current or intended subpartition count.
Incorrect CREATE TABLE Subpartition Definition
Defining a new partitioned table with `SUBPARTITIONS` where the specified count for subpartitions is inconsistent across partitions or with the overall table definition.
Schema Discrepancy During Import/Replication
Importing a schema or replicating data where the subpartitioning scheme of a table on the source does not match the target environment's expectations.
Metadata Corruption
Rare instances where internal MariaDB metadata regarding table partitioning becomes corrupted, leading to an incorrect interpretation of subpartition counts.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service