Error
Error Code:
22026
PostgreSQL Error 22026: String Data Length Mismatch
Description
This error signifies that a string value's length is incompatible with its intended use, often exceeding a column's defined capacity or violating a data type constraint. It typically occurs during data insertion, updates, or when processing string functions with unexpected input lengths.
Error Message
string data length mismatch
Known Causes
3 known causesExceeding Column Length
Attempting to store a string value that is longer than the maximum length defined for the target database column (e.g., VARCHAR(N) or CHAR(N)).
Character Encoding Mismatch
Differences in character set encoding between the client application and the database can lead to miscalculation of string lengths, especially with multi-byte characters.
String Function Misuse
Applying string manipulation functions (e.g., LPAD, RPAD, SUBSTRING) incorrectly, resulting in an output string length that violates subsequent constraints.
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