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http://www.exim.org/bugzilla/show_bug.cgi?id=459

Summary: Generic variable containing the item looked for in a
(query-style) lookup
Product: Exim
Version: N/A
Platform: Other
OS/Version: Linux
Status: NEW
Keywords: work:small
Severity: bug
Priority: medium
Component: List matching
AssignedTo: ph10@hermes.cam.ac.uk
ReportedBy: holmgren@lysator.liu.se
QAContact: exim-dev@exim.org
OtherBugsDependingO 211
nThis:


When using a query-style lookup in e.g. a domains or local_parts condition you
can and have to use the relevant variable ($domain, $local_part) in the query,
meaning that you can't recycle the query in a named list or macro if the key
isn't the same in all places. It also means that you can say silly things like

local_parts = mysql;SELECT 1 FROM domains WHERE domain = '$domain';

i.e. it doesn't matter which precondition the query is used in, modulo the
order in which the preconditions are evaluated.

It's not a huge problem, but it is limiting in some cases.

I think there should be a variable that is set to the relevant lookup key
before a router or ACL condition is checked. It can be used for the purpose of
bug 211 too.

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