Unexpected search results
David Bremner
david at tethera.net
Mon Jan 27 15:44:20 PST 2014
Paul Melis <paul.melis at surfsara.nl> writes:
> Hi,
>
> How exactly does the search function work when it comes to things like
> searching in the from or subject field? See the below queries and (lack
> of) results:
>
> paulmlocal at sara11006:/data$ notmuch search from:dem
> paulmlocal at sara11006:/data$ notmuch search from:demi
> paulmlocal at sara11006:/data$ notmuch search from:demiu
> paulmlocal at sara11006:/data$ notmuch search from:demiur
> paulmlocal at sara11006:/data$ notmuch search from:demiurg
> thread:0000000000012d53 January 18 [1/5] Demiurg HG| Paul Melis, XXXXX
> thread:0000000000011b82 November 14 [3/6] Demiurg HG| Paul Melis; XXXXX
>
> Only the last queries returns the mails I was looking for, while
> prefixes of the query don't return anything. Even stranger is that the
> actual from e-mail address is demiurghg at ...., so why does "from:demiurg"
> match (which is also a prefix of the mail address), but all the other
> don't match?
I guess it has to do with the mysteries of stemming. There is some
information at
http://notmuchmail.org/searching/
In your case, it would probably help to try
notmuch search from:"demi*"
Note that the * only works at the end.
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