From: Jonathan Ellis <jbellis@gmail.com>
Date: Sun, 30 Jul 2006 04:04:26 +0000 (+0000)
Subject: add mappedtable.delete support
X-Git-Tag: rel_0_2_7~46
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0774a9f220bcc36c3ee96286d5049b60ef7f188d;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

add mappedtable.delete support
---

diff --git a/lib/sqlalchemy/ext/sqlsoup.py b/lib/sqlalchemy/ext/sqlsoup.py
index 0ff0d39fd4..2a0fd84c91 100644
--- a/lib/sqlalchemy/ext/sqlsoup.py
+++ b/lib/sqlalchemy/ext/sqlsoup.py
@@ -65,7 +65,8 @@ statement when you flush.)
 
 
 To finish covering the basics, let's insert a new loan, then delete it:
-    >>> db.loans.insert(book_id=db.books.selectfirst(db.books.c.title=='Regional Variation in Moss').id, user_name=user.name)
+    >>> book_id = db.books.selectfirst(db.books.c.title=='Regional Variation in Moss').id
+    >>> db.loans.insert(book_id=book_id, user_name=user.name)
     MappedLoans(book_id=2,user_name='Bhargan Basepair',loan_date=None)
     >>> db.flush()
 
@@ -73,6 +74,15 @@ To finish covering the basics, let's insert a new loan, then delete it:
     >>> db.delete(loan)
     >>> db.flush()
 
+You can also delete rows that have not been loaded as objects.  Let's do our insert/delete cycle once more,
+this time using the loans table's delete method:
+    >>> db.loans.insert(book_id=book_id, user_name=user.name)
+    MappedLoans(book_id=2,user_name='Bhargan Basepair',loan_date=None)
+    >>> db.flush()
+
+    >>> db.loans.delete(db.loans.c.book_id==2).execute() # doctest: +ELLIPSIS
+    <...>
+
 
 Joins
 =====
@@ -190,6 +200,8 @@ class TableClassType(type):
         if attr == '_mapper':
             # called during mapper init
             raise AttributeError()
+        if attr in ['delete']:
+            return getattr(cls._table, attr)
         return getattr(cls._mapper, attr)