Author: francois
Date: 2010-05-05 11:36:46 +0200 (Wed, 05 May 2010)
New Revision: 29352
Modified:
plugins/sfPropel15Plugin/trunk/doc/schema.txt
Log:
[sfPropel15Plugin] Documented the isCrossRef table attributes for the YAML
schema
Modified: plugins/sfPropel15Plugin/trunk/doc/schema.txt
===================================================================
--- plugins/sfPropel15Plugin/trunk/doc/schema.txt 2010-05-04 23:24:33 UTC
(rev 29351)
+++ plugins/sfPropel15Plugin/trunk/doc/schema.txt 2010-05-05 09:36:46 UTC
(rev 29352)
@@ -205,6 +205,34 @@
The alternative syntax is useful only for indexes built on more than one
column.
+Many-to-Many relationships
+--------------------------
+
+Cross-reference tables, used for many-to-many relationships, must declare with
an `isCrossRef` attribute set to `true`:
+
+ [yml]
+ propel:
+ blog_article:
+ # columns definition
+
+ blog_author:
+ # columns definition
+
+ blog_article_author:
+ _attributes: { phpName: ArticleAuthor, isCrossRef: true }
+ article_id: { type: integer, foreignTable: blog_article,
foreignReference: id, onDelete: cascade }
+ author_id: { type: integer, foreignTable: blog_author,
foreignReference: id, onDelete: cascade }
+
+Declaring a table as a cross reference table leads Propel to generate more
methods in the Model and Query classes, including:
+
+ [php]
+ Article::getAuthors()
+ Article::countAuthors()
+ ArticleQuery::filterByAuthor($author)
+ Author::getArticles()
+ Author::countArticles()
+ AuthorQuery::filterByArticle($article)
+
I18n Tables
-----------
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