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  36         id 1QHjae-0006tU-JQ; Wed, 04 May 2011 17:26:36 -0400\r
  37 Date: Wed, 4 May 2011 17:26:36 -0400\r
  38 From: Austin Clements <amdragon@MIT.EDU>\r
  39 To: Felipe Contreras <felipe.contreras@gmail.com>\r
  40 Subject: Re: [PATCH v2] test/search: add check for slightly trick search\r
  41 Message-ID: <20110504212636.GP29861@mit.edu>\r
  42 References: <1304540796-8865-1-git-send-email-felipe.contreras@gmail.com>\r
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  79 \r
  80 Quoth Felipe Contreras on May 04 at 11:54 pm:\r
  81 > On Wed, May 4, 2011 at 11:46 PM, Austin Clements <amdragon@mit.edu> wrote:\r
  82 > > On Wed, May 4, 2011 at 4:26 PM, Felipe Contreras\r
  83 > > <felipe.contreras@gmail.com> wrote:\r
  84 > >> +output=$(notmuch search from:'search-by-from@' | notmuch_search_sanitize)\r
  85 > >\r
  86 > > I don't think this does what you think it does.  Xapian only\r
  87 > > understands double quotes around phrases, not single quotes.\r
  88 > > Furthermore, a single quote after a prefix prevents that token from\r
  89 > > acting as a prefix, so you search is finding messages containing the\r
  90 > > *word* "from" and the phrase "search by from" *anywhere* (which is a\r
  91 > > phrase not because of the quotes, but because of the hyphens).\r
  92 > >\r
  93 > > The test results happen to be the same if you use single quotes or\r
  94 > > double quotes, but for very different reasons.\r
  95 > \r
  96 > Ok, how about:\r
  97 > search from:search-by-from@\r
  98 > \r
  99 > Would that be better?\r
 100 \r
 101 from:"search-by-from@" would be the fail-safe, since that's clearly a\r
 102 prefixed phrase query in Xapian syntax.  from:search-by-from@ depends\r
 103 on the parsing of @, which is precisely what I think you're proposing\r
 104 should be changed (though your commit message talks about hyphens, not\r
 105 @), so in some sense from:search-by-from@ is up to you.  It probably\r
 106 *should* work, given that @ happens to be classified the same way as\r
 107 hyphen by the Xapian parser (or, in the custom query parser, because @\r
 108 isn't whitespace).\r