3283
MariaDBERRORNotablePrepared StatementsHIGH confidence
Unsupported parameter type in prepared statement
Production Risk
Medium — prepared statement execution fails for affected parameter types.
How to reproduce
trigger — this will error
trigger — this will error
-- Triggered by a client driver sending an unsupported COM_STMT_EXECUTE type byte.
expected output
ERROR 3283 (HY000): Unsupported parameter type.
Fix
Update the MySQL driver
Update the MySQL driver
-- Upgrade the MySQL Connector/J, Connector/Python, or relevant driver to the latest version.
Why this works
Updated drivers use correct type codes for all supported parameter types.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 3283 ER_UNSUPPORTED_PS_PARAM_TYPE
Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev