How do I produce a cursor with NDB map

Question

According to the documentation, the map function supports all query option keywords. I am, however, unable to produce the cursor and the has_more values, using map. How do you do that? If I use fetch to produce result, cursor and has_more I can no longer use map since it does not work on simple lists.

Answer 1

You can't get a cursor out of map() -- the only way to get a cursor is to use a QueryIterator, or to call fetch_page() (which uses a QueryIterator internally). The has_more flag is only accessible by using fetch_page().

If you have a simple list, use Python's built-in map() function:

map(<function>, <list-of-entries>)

But perhaps you could tell us more about what you are trying to do?