'Test altering columns'

def test_alter_columns(self):

    db.create_table('test_alterc', [('spam', models.BooleanField(default=False)), ('eggs', models.IntegerField())])
    db.execute_deferred_sql()
    db.alter_column('test_alterc', 'eggs', models.FloatField())
    db.execute_deferred_sql()
    db.delete_table('test_alterc')
    db.execute_deferred_sql()
