Common errors in ldb use

[Andrew Bartlett]

I've been thinking about common mistakes I have been making with the LDB
APIs:

The first issue is transactions:  We need to have a generic way to
automatically cancel a transaction from talloc
 
However, the issue that prompts this mail is that of mismatches between
the attributes asked for in a search, and those we enquire of in a
result.  

That is, when we do not include (for example) "msDS-KeyVersionNumber" in
the search attributes, but then enquire of it's value.  This happens
frequently.

I was wondering if we should add a new member to struct ldb_message, to
contain the list of attributes requested.  If (in calling
ldb_msg_find_element()) we ask for an attribute not in that list (and we
didn't ask for all attributes), we should abort().  

Comments?

Andrew Bartlett
-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Student Network Administrator, Hawker College  http://hawkerc.net
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