[PATCH] Modify SamDB default to NO_CREATE_DB prep for LMDB backend

[Andrew Bartlett]

On Thu, 2018-02-08 at 10:09 +1300, Gary Lockyer via samba-technical
wrote:
> Patch modifying the default file creation behaviour of SamDB. This patch
> changes the default from create if missing to do not create. This stops
> TDB from overwriting any existing non TDB format file with a new TDB.
> 
> This forms part of the work Gaming and I are doing implementing an lmdb
> backend for ldb based on the work done by Jakub Hrozek.
> 
> The initial plan is to add lmdb support as an experimental feature, with
> the following limitations:
>  - keys limited to 511 bytes
>  - only the partition files will be in lmdb format.
> 
> Review and possible push appreciated.
> 
> Gary

Reviewed-by: Andrew Bartlett <abartlet at samba.org>

This helps complete the great work metze did to make ldbsearch not
create spurious databases.

I'll push it shortly.

Thanks!

Andrew Bartlett

-- 
Andrew Bartlett
https://samba.org/~abartlet/
Authentication Developer, Samba Team         https://samba.org
Samba Development and Support, Catalyst IT   
https://catalyst.net.nz/services/samba