Changes between Version 19 and Version 20 of TutorialDivingIn

Timestamp:

10/15/09 16:27:28 (4 years ago)

Author:

guest (IP: 82.227.168.179)

Comment:

added some update/delete docs

TutorialDivingIn

@@ -121 +121 @@
 }}}
 
-Not many, but exactly what we expected. Close the interpreter now and delete the database file (`movies.sqlite`)^4^, we will recreate and populate it in the next step.
-
-So far you've seen how to declare simple entities, create objects, store them
+Not many, but exactly what we expected. This can be used to access your objects:
+
+{{{
+#!python
+>>> movie = Movie.query.all()[0]
+>>> movie.year = 1983
+>>> movie = Movie.query.all()
+[<Movie "Blade Runner" (1983)>]
+}}}
+
+Or even delete it:
+
+{{{
+#!python
+>>> Movie.delete(movie)
+}}}
+
+There should not be any movie left in the database now !
+
+{{{
+#!python
+>>> Movie.query.all()
+[]
+}}}
+
+Close the interpreter now and delete the database file (`movies.sqlite`)^4^, we will recreate and populate it in the next step.
+
+So far you've seen how to declare simple entities, create objects, store them, modify them, or even delete them,
 to the database and retrieve them again. Not too much magic, but a lot more 
 pleasant to the eye compared to calling lowlevel SQL-statements.