EC
1946
MariaDBERRORNotableViewHIGH confidence

View '%s'.'%s' has no definer information in the view file

Production Risk

High — the view is inaccessible until recreated.

What this means

The .frm file for a view is missing the DEFINER information, typically because the view was created by an older MySQL version or the file was manually edited.

Why it happens
  1. 1View was created by MySQL < 5.0 before DEFINER support was added.
  2. 2The view .frm file was manually modified and the definer line was removed.
  3. 3Incomplete import or migration of view definitions.
How to reproduce
trigger — this will error
trigger — this will error
SELECT * FROM old_view; -- triggers error when view definer is missing

expected output

ERROR 1946 (HY000): View 'db'.'old_view' has no definer information in the view file.

Fix

Recreate the view with an explicit DEFINER

Recreate the view with an explicit DEFINER
DROP VIEW IF EXISTS old_view;
CREATE DEFINER='app_user'@'%' VIEW old_view AS SELECT ...;

Why this works

Recreating the view populates the DEFINER metadata correctly in the data dictionary.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 1946 ER_VIEW_FRM_NO_USER

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