Error
Error Code:
1740
MariaDB Error 1740: Foreign Key Exchange Conflict
Description
This error occurs when attempting to perform an `ALTER TABLE ... EXCHANGE PARTITION` operation, but the table or partition involved has active foreign key constraints. MariaDB prevents this operation to ensure referential integrity and avoid data inconsistency.
Error Message
Table to exchange with partition has foreign key references: '%s'
Known Causes
3 known causesForeign Keys on Target Table
The table designated for exchange with a partition, or the partition's underlying table, contains one or more foreign key constraints.
Table is a Parent in FK Relationship
The table involved in the partition exchange operation is referenced by foreign keys from other tables, making it a parent in a referential integrity relationship.
Incorrect Exchange Procedure
The `ALTER TABLE ... EXCHANGE PARTITION` statement was executed without first addressing or managing existing foreign key constraints on the participating tables.
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