EC
1311
MariaDBerrorstored-procedureshigh confidence

Undefined CONDITION

Production Risk

Low — compile-time error; routine not created.

What this means

A DECLARE ... HANDLER FOR references a named condition that was not declared in the current routine.

Why it happens
  1. 1Typo in the condition name
  2. 2Condition declared in a different BEGIN...END block scope
How to reproduce
trigger — this will error
trigger — this will error
CREATE PROCEDURE p() BEGIN DECLARE CONTINUE HANDLER FOR undeclared_cond SELECT 1; END;

expected output

ERROR 1311 (42000): Undefined CONDITION: undeclared_cond

Fix

Declare the condition first

Declare the condition first
DECLARE cond_name CONDITION FOR SQLSTATE '45000';

Why this works

Named conditions must be declared before handlers reference them.

Sources
Official documentation ↗

MySQL 8.0 — 1311 ER_SP_COND_MISMATCH

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