(ITS#7670) mdb_cursor_del() behaviour improvement

[spam@markandruth.co.uk]

Full_Name: Mark Zealey
Version: git
OS: linux
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (88.253.191.53)


As per email thread with Howard, mdb_cursor_del() has a somewhat strange
behaviour when you reach the end of a page. To my mind it should skip to the
next entry. This should also be documented as at the moment there is no sign in
the docs of what happens to the cursor after a delete.

Mark Zealey wrote:
> On 23/08/13 00:07, Howard Chu wrote:
>> ... as I said already, it does exactly what you said. When you've
>> deleted the last item on the page the cursor no longer points at a
>> valid node, so GET_CURRENT returns EINVAL.
>
> OK I think that's a pretty big gotcha - it would be great to either make
> the cursor behaviour consistent (ie automatically skip to next record at
> end of a page) or to very clearly document this! It's pretty different
> from kyoto/bdb interfaces in that (to my mind at least) it requires a
> bit too much knowledge from the developer about the underlying structure
> of the database which should be abstracted by the interface.

Yeah, this should probably be changed. Could you submit an ITS for this? Thanks.