Différences

Ci-dessous, les différences entre deux révisions de la page.

--- dev:python:flask:flask-sqlalchemy:relation_composition [2024/12/08 12:44] – yoann
+++ dev:python:flask:flask-sqlalchemy:relation_composition [2025/08/03 19:49] (Version actuelle) – yoann
@@ Ligne 26: / Ligne 26: @@
 <code python>
 </code>
+===== Cascader les suppressions =====
+:TODO_DOCUPDATE:
+In order to clarify this a little.. ondelete="CASCADE" instructs the DB itself to create cascade deletes on the foreign keys. cascade="all,delete" is an instruction for sqlalchemy to manage the cascading.
 ===== Références =====
-  *
   * https://medium.com/@thinesh12/unlocking-the-power-of-composite-primary-keys-in-sqlalchemy-b378fb975e9b
   * https://www.devgem.io/posts/how-to-correctly-define-a-primary-key-in-sqlalchemy-with-sqlite-backend

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