dns_server: Do the exact match query first, then do the wildcard lookup
The wildcard lookup is SCOPE_ONELEVEL combined with an index on the name
attribute. This is not as efficient as a base DN lookup, so we try for
that first.
A not-found and wildcard response will still fall back to the ONELEVEL
index.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13191
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
(cherry picked from commit
3efc879d98ba136d4d70e0e2d77fac9614186ab3)