[PATCH] This patch is a little finger excercise for working with git. I found a piece...
[notmuch-archives.git] / 2e / 2fb7725da36de7a9bc05f1b5ed744204ffda3b
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37 Date: Tue, 31 Jan 2012 11:25:06 -0500\r
38 From: Austin Clements <amdragon@MIT.EDU>\r
39 To: Mark Walters <markwalters1009@gmail.com>\r
40 Subject: Re: [PATCH 3/7] lib: Make notmuch_query_search_messages set the\r
41         exclude flag\r
42 Message-ID: <20120131162506.GE10898@mit.edu>\r
43 References: <8762fu4aqt.fsf@qmul.ac.uk>\r
44         <1327862394-14334-3-git-send-email-markwalters1009@gmail.com>\r
45         <20120131044352.GZ17991@mit.edu> <87y5soccyi.fsf@qmul.ac.uk>\r
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79 \r
80 Quoth Mark Walters on Jan 31 at 11:45 am:\r
81 > On Mon, 30 Jan 2012 23:43:52 -0500, Austin Clements <amdragon@MIT.EDU> wrote:\r
82 > > Quoth Mark Walters on Jan 29 at  6:39 pm:\r
83 > > >      notmuch_message_node_t *iterator;\r
84 > > >  };\r
85 > > >  \r
86 > > > diff --git a/lib/notmuch.h b/lib/notmuch.h\r
87 > > > index 7929fe7..740d005 100644\r
88 > > > --- a/lib/notmuch.h\r
89 > > > +++ b/lib/notmuch.h\r
90 > > > @@ -449,6 +449,11 @@ typedef enum {\r
91 > > >  const char *\r
92 > > >  notmuch_query_get_query_string (notmuch_query_t *query);\r
93 > > >  \r
94 > > > +/* specify whether to results should omit the excluded results rather\r
95 > > > + * than just marking them excluded */\r
96 > > > +void\r
97 > > > +notmuch_query_set_omit_excluded_messages (notmuch_query_t *query, notmuch_bool_t omit);\r
98 > > > +\r
99 > > \r
100 > > I don't think we should add this API.  The library behavior will not\r
101 > > change for library users that don't use excludes and library users\r
102 > > that do use excludes should by aware of the excluded flag and do the\r
103 > > appropriate thing.\r
104 > > \r
105 > > I can see why this is handy in some cases, but I don't think it\r
106 > > provides enough utility to warrant becoming part of the permanent and\r
107 > > minimal library interface.\r
108\r
109 > This is really a performance improvement: suppose that there are lots of\r
110 > threads that only match in excluded messages. Then without this flag we\r
111 > will spend lots of time constructing the thread only for it to be\r
112 > ignored. (In contrived situations this could be arbitrarily slower.)\r
113 \r
114 I would prefer to keep the public API minimal and only introduce\r
115 something like this if people actually experience performance\r
116 problems.\r