Warning
Error Code:
1647
MariaDB Error 1647: Condition Item Data Truncation
Description
Error 1647, "Data truncated for condition item '%s'", indicates that a value used in a conditional expression (e.g., a WHERE clause, JOIN condition, or function argument) was too long for the target data type or column. MariaDB truncated the value to fit, which can lead to unexpected query results or incorrect data comparisons, often appearing as a warning.
Error Message
Data truncated for condition item '%s'
Known Causes
3 known causesMismatched Data Types or Lengths
A literal value, variable, or expression used in a condition is longer than the column or data type it's being compared against, causing truncation.
Implicit Type Conversion Issues
During an implicit type conversion performed by MariaDB in a condition, the source data exceeds the capacity of the target data type, resulting in truncation.
Overly Long String Literals
A string literal provided directly within a query's conditional statement is longer than the maximum length allowed for the corresponding column or expression.
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