Error
Error Code:
2202G
PostgreSQL Error 2202G: Invalid TABLESAMPLE Repeat Seed
Description
This error indicates an issue with the `REPEATABLE` clause used within a `TABLESAMPLE` query in PostgreSQL. It typically occurs when the provided seed value for repeatable sampling is invalid, malformed, or of an inappropriate data type, preventing the database from generating a consistent sample.
Error Message
invalid tablesample repeat
Known Causes
3 known causesInvalid Seed Value Provided
The integer value supplied to the `REPEATABLE (seed)` clause is outside the acceptable range for a seed or is not a valid positive integer.
Incorrect Seed Data Type
The expression used as the seed for `REPEATABLE` sampling does not evaluate to an integer type, which is strictly required by PostgreSQL.
Misapplication of REPEATABLE Clause
The `REPEATABLE` clause might be incorrectly applied in a context or with a sampling method where it is not supported or makes no logical sense.
Solutions
Coming SoonGeneral 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