Changes between Version 3 and Version 4 of FAQ

Timestamp:

12/15/07 11:10:09 (5 years ago)

Author:

ged (IP: 213.219.164.51)

Comment:

--

FAQ

@@ -8 +8 @@
 #!python
 class Person(Entity):
-    id = Field(Integer, primary_key=True)
+    person_id = Field(Integer, primary_key=True)
     firstname = Field(Unicode(30))
     surname = Field(Unicode(30))
 }}}
 
+This also works if your primary key is composed of several fields:
+
+{{{
+#!python
+class Person(Entity):
+    firstname = Field(Unicode(30), primary_key=True)
+    surname = Field(Unicode(30), primary_key=True)
+}}}
+
+
 === Is there a way to declare uniqueness constraints? ===
         
-Yes, you can use the `using_table_options` statement.  Here is an example:
+Yes, you can use the `using_table_options` statement in combination with SQLAlchemy's `UniqueConstraint`.  Here is an example:
 {{{
 #!python
+from sqlalchemy import UniqueConstraint
+
 class Person(Entity):
     firstname = Field(Unicode(30))