MySQL Error 1694: SQL Log Bin Transaction Conflict

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Description

This error occurs when an attempt is made to modify the `@@session.sql_log_bin` system variable while an active transaction is running. MySQL strictly prohibits changing this setting during a transaction to maintain data integrity, ensure proper replication, and prevent inconsistencies in the binary log.

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Error Message

Cannot modify @@session.sql_log_bin inside a transaction

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Known Causes

3 known causes

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Explicit Session Variable Change

A `SET @@session.sql_log_bin` statement is executed directly within the scope of an active database transaction.

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Automated Routine Conflict

A stored procedure, function, or trigger, invoked as part of a transaction, attempts to alter the `sql_log_bin` setting.

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ORM/Framework Behavior

An application framework or ORM inadvertently issues a command to change `sql_log_bin` while an implicit or explicit transaction is already in progress.

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Solutions

Coming Soon

Detailed 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

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Related Errors

5 related errors