EC
3192
MySQLERRORNotableWindow FunctionsHIGH confidence

Named window misplaced or not found

Production Risk

Low — parse-time error.

Why it happens
  1. 1Referencing a named window in OVER() that is not defined in the WINDOW clause.
  2. 2Defining a WINDOW clause in an unsupported query position.
How to reproduce
trigger — this will error
trigger — this will error
SELECT SUM(val) OVER (undefined_window) FROM t1;

expected output

ERROR 3192 (HY000): Named window not found.

Fix

Define the named window in a WINDOW clause

Define the named window in a WINDOW clause
SELECT SUM(val) OVER (w) FROM t1 WINDOW w AS (ORDER BY id);

Why this works

All named windows must be declared in the WINDOW clause of the same SELECT.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3192 ER_WINDOW_MISPLACED_NAMED_WINDOW

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