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22 Mon, 17 Sep 2012 18:35:59 +0300 (EEST)
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23 From: Tomi Ollila <tomi.ollila@iki.fi>
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24 To: Michal Nazarewicz <mina86@mina86.com>, David Bremner <david@tethera.net>,
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25 Jani Nikula <jani@nikula.org>, notmuch@notmuchmail.org
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26 Subject: Re: [PATCH v3 6/9] lib: add date range query support
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27 In-Reply-To: <xa1tipbczo68.fsf@mina86.com>
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28 References: <cover.1347484177.git.jani@nikula.org>
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29 <532340d05ea748518c021048900bb83149e04e88.1347484177.git.jani@nikula.org>
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30 <xa1tsjamdvj6.fsf@mina86.com> <878vce5cip.fsf@zancas.localnet>
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31 <xa1tipbczo68.fsf@mina86.com>
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37 Date: Mon, 17 Sep 2012 18:35:58 +0300
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56 On Mon, Sep 17 2012, Michal Nazarewicz wrote:
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58 >> Michal Nazarewicz <mina86@mina86.com> writes:
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59 >>> IMO this is totally unintuitive and not how the range should work.
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60 >>> date:foo..bar should return messages whose date >=3D foo and < bar. So
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61 >>> for instance date:november..yesterday should return messages whose date
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62 >>> is > 2012/11/01 00:00:00 and < 2012/09/12 00:00:00. So to get
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63 >>> yesterdays messages one would do: date:yesterday..today.
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65 > On Thu, Sep 13 2012, David Bremner wrote:
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66 >> I don't find ranges being half-open by default to be very
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67 >> intuitive. Perhaps I don't program in python enough.
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69 > Perhaps C than: =E2=80=9Cfor (i =3D 0; i < 10; ++i)=E2=80=9D is the stand=
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71 > end range is open.
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73 > Let's take a look at:
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75 > date:2012/01/01..2012/01/01 + 1 day
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77 > in my opinion, that should give results from the first of January only,
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78 > since =E2=80=9C+ 1 day=E2=80=9D indicates in a way how long user want the=
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81 > I think it's also easier to pragmatically create ranges. For instance,
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82 > let's say you want to create ranges for each week, you'd end up with:
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84 > date:2012/01/02..2012/01/09 ## 2012w01
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85 > date:2012/01/09..2012/01/16 ## 2012w02
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86 > date:2012/01/16..2012/01/23 ## 2012w03
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88 Ok, these matches with ISO Week...
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90 > Notice how the opening date of a range matches the closing date of
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91 > the previous date.
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93 2012/01/02 is monday
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94 2012/01/09 is monday.
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97 date:2012/01/02..2012/01/08 ## 2012w01
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99 would be more intuitive in this context.
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102 for (i =3D 0; i < 10; ++i) loops through 0 - 9.
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104 for (i =3D 1; i <=3D 10; ++i) loops through 1 - 10.
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106 python -c 'for f in range(5): print f' prints 0 - 4
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108 perl -le 'for (1..5) { print $_ }' prints 1 - 5
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111 ... these does not clarify, but confuses these intuitions :D
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115 > Best regards, _ _
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117 > ..o | Computer Science, Micha=C5=82 =E2=80=9Cmina86=E2=80=9D Nazarewicz =
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