1584
MySQLERRORCommonSQL SyntaxHIGH confidence
Wrong parameter count to native function
Production Risk
Low — the query fails; no data is modified.
What this means
The wrong number of arguments was passed to a native (built-in) MySQL function.
Why it happens
- 1Calling a built-in function with too many or too few arguments.
How to reproduce
trigger — this will error
trigger — this will error
SELECT CONCAT(); -- CONCAT requires at least one argument
expected output
ERROR 1584 (HY000): Incorrect parameter count in the call to native function 'CONCAT'
Fix
Check the function signature in the documentation
Check the function signature in the documentation
SELECT CONCAT('a', 'b'); -- correct usageWhy this works
Consult the MySQL function reference to verify the required number and types of arguments.
Sources
Official documentation ↗
MySQL 8.0 — 1584 ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev