Error
Error Code:
22016
PostgreSQL Error 22016: Invalid NTH_VALUE Argument
Description
Error 22016, 'invalid argument for nth value function', occurs when the `NTH_VALUE` window function receives an argument that does not meet its data type or value constraints. This typically indicates an issue with the integer 'N' specifying which row to retrieve from a window frame.
Error Message
invalid argument for nth value function
Known Causes
4 known causesNon-Integer 'N' Value
The 'N' argument, which specifies the Nth row, is provided as a non-integer data type (e.g., text, float) instead of an integer.
Non-Positive 'N' Value
The 'N' argument is supplied as zero or a negative integer, but it must be a positive integer (greater than zero).
NULL 'N' Value
A NULL value is passed as the 'N' argument to the `NTH_VALUE` function where a positive integer is expected.
Incorrect Function Signature
Misunderstanding the required arguments or their order, leading to an argument being passed to 'N' that is not intended for it or is of the wrong type.
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