In [1]: from forum.models import Post

In [2]: from forum.search_indexes import PostIndex

In [3]: for post in Post.objects.filter(content__icontains=u"spa"): print post.id, post.content
3 Spam Ham Eggs
4 spam ham eggs
5 spammer gonna hate
6 spa aplication is the future of web
7 SPA aplication is the future of web
60 Python eats spaghetti

In [4]: for post in PostIndex.objects.filter(content__contains=u"spa"): print post.id, post.content
forum.post.7 SPA aplication is the future of web
forum.post.6 spa aplication is the future of web

In [5]: for post in PostIndex.objects.autocomplete(content__contains=u"spa"): print post.id, post.content
forum.post.7 SPA aplication is the future of web
forum.post.6 spa aplication is the future of web

In [6]: for post in PostIndex.objects.autocomplete(text__contains=u"spa"): print post.id, post.content
forum.post.7 SPA aplication is the future of web
forum.post.6 spa aplication is the future of web

In [7]: for post in PostIndex.objects.filter(text__contains=u"spa"): print post.id, post.content
forum.post.7 SPA aplication is the future of web
forum.post.6 spa aplication is the future of web

In [8]: for post in PostIndex.objects.filter(text__contains=u"spam"): print post.id, post.content
forum.post.3 Spam Ham Eggs
forum.post.4 spam ham eggs