iter_fetchmany

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def iter_fetchmany(cursor, size=100): 
    """ 
    Handles the awkwardness of iterating using fetchmany, and exposes all records as a (generated) iterable. 
 
    Assumes django.db is the connection for the given cursor.  FIXME for multi-db support. 
    """ 
    from django.db import connection 
    rowset_iter = iter((lambda: cursor.fetchmany(size)), 
            connection.features.empty_fetchmany_value) 
    for rows in rowset_iter: 
        for row in rows: 
            yield row

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