Error
Error Code:
1482
MariaDB Error 1482: Invalid Subpartition Type
Description
MariaDB Error 1482 occurs when attempting to define subpartitions using a method other than HASH or KEY. MariaDB enforces a strict rule that subpartitions can only be of type HASH or KEY, regardless of the primary partitioning method. This error typically manifests during CREATE TABLE or ALTER TABLE statements when defining a partitioned table with subpartitions.
Error Message
Subpartitions can only be hash partitions and by key
Known Causes
3 known causesUsing Unsupported Subpartition Type
Attempting to define subpartitions using RANGE or LIST partitioning, which are not permitted for subpartitions in MariaDB.
Incorrect Subpartition Syntax
Even when attempting to use HASH or KEY, a syntax error in the subpartition definition can lead to misinterpretation and trigger this error.
Misunderstanding Partitioning Rules
Lack of awareness or misunderstanding of MariaDB's specific limitations and requirements for subpartitioning, which strictly mandate HASH or KEY types.
Solutions
Coming SoonGeneral 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