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48 Date: Thu, 4 Oct 2012 09:17:59 +0100
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51 <CANBHLUjqa67roFmQBMuO_5vpmWPD-j7XR7X5jMhc1UDnC3aEHw@mail.gmail.com>
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52 Subject: Re: How to index arbitrary headers?
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53 From: Dmitrijs Ledkovs <xnox@debian.org>
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54 To: Petri Savolainen <petri@koodaamo.fi>
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73 On 3 October 2012 19:32, Petri Savolainen <petri@koodaamo.fi> wrote:
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76 > thanks for your response. I am evaluating notmuch / xapian for building an
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77 > application for analyzing in various ways a fairly large number of emails
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78 > accumulated over several years. I am afraid the number of headers that would
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79 > ultimately need to be indexed is therefore quite a lot larger than what
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80 > notmuch currently indexes.
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84 > 2012/10/1 Austin Clements <amdragon@mit.edu>
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86 >> Quoth Petri Savolainen on Oct 01 at 3:39 pm:
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88 >> > I could not find information anywhere in notmuch docs about what is
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89 >> > actually indexed - specifically, what email headers are indexed and
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90 >> > searchable? If a header is not indexed, does searching for its value
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92 >> > result in a search hit?
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93 >> > It would be nice if one could just provide the list of headers to be
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94 >> > indexed in some configuration file or something.
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98 >> notmuch doesn't currently implement this, though it is an
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99 >> oft-requested feature. One (not insurmountable) difficulty is that
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100 >> the database would have to be rebuilt if a user-configured list of
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101 >> headers changed and there are technical limitations that prevent us
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102 >> from simply indexing all headers. Out of curiosity, what headers are
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103 >> you interested in indexing?
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105 >> The currently indexed headers are described in man
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106 >> notmuch-search-terms.
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109 Use mapreduce instead: hadoop or discoproject or haddop with dumbo
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