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[Noboru Arai <arai@xxxxxxxxxxxxxxxxx>]

Public bug reported:

environment:
  Openstack deployed by devstack.


Steps to reproduce:
  1. Check "image" tables.

  2. Request glance API whith "changes-since" parameter, whose
    value is the same as "update_at" of an image in "images" table.

  3.filters out images whose "update_at" is the same of "changes-since"
    parameter.

Expected result:
  in step3, images are'nt filtered out.

Remark:
  this is simillar to https://review.openstack.org/#/c/60157/.

example)
  -execution:
    $mysql -u root glance
    $select * from images;

    +--------------------------------------+---+---------------------+
    | id                                   |***| updated_at          |
    +--------------------------------------+---+---------------------+
    | 1d88c716-ecd8-4ca1-9fc5-3bda1cf5affc |***| 2014-01-24 17:18:23 |
    | b7bc3608-f19e-4eb1-a178-f3c59af2ba22 |***| 2014-01-24 17:18:24 |
    | ca15b4d7-6c8b-4d7e-a4bd-a6186373e4d9 |***| 2014-01-24 17:18:25 |
    +--------------------------------------+---+---------------------+

    $curl *** http://192.168.0.10:9292/v1/images/detail?changes-since=2014-01-24T17:18:25
    HTTP/1.1 200 OK
    ***
    {"images": []}

  -Expected result:
      image whose id is "ca15b4d7-6c8b-4d7e-a4bd-a6186373e4d9" is filter out.
      this image should'nt be filtered out from the viewpoint of its name
       which includes "since".

** Affects: glance
     Importance: Undecided
     Assignee: Noboru Arai (arai-h)
         Status: In Progress

** Attachment added: "teraterm.log"
   https://bugs.launchpad.net/bugs/1273171/+attachment/3958810/+files/teraterm.log

** Changed in: glance
     Assignee: (unassigned) => Noboru Arai (arai-h)

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https://bugs.launchpad.net/bugs/1273171

Title:
  On Glance API, "changes-since" parameter filters out images which have
  been update at the same date as the specified timestamp

Status in OpenStack Image Registry and Delivery Service (Glance):
  In Progress

Bug description:
  environment:
    Openstack deployed by devstack.

  
  Steps to reproduce:
    1. Check "image" tables.

    2. Request glance API whith "changes-since" parameter, whose
      value is the same as "update_at" of an image in "images" table.

    3.filters out images whose "update_at" is the same of "changes-since"
      parameter.

  Expected result:
    in step3, images are'nt filtered out.

  Remark:
    this is simillar to https://review.openstack.org/#/c/60157/.

  example)
    -execution:
      $mysql -u root glance
      $select * from images;

      +--------------------------------------+---+---------------------+
      | id                                   |***| updated_at          |
      +--------------------------------------+---+---------------------+
      | 1d88c716-ecd8-4ca1-9fc5-3bda1cf5affc |***| 2014-01-24 17:18:23 |
      | b7bc3608-f19e-4eb1-a178-f3c59af2ba22 |***| 2014-01-24 17:18:24 |
      | ca15b4d7-6c8b-4d7e-a4bd-a6186373e4d9 |***| 2014-01-24 17:18:25 |
      +--------------------------------------+---+---------------------+

      $curl *** http://192.168.0.10:9292/v1/images/detail?changes-since=2014-01-24T17:18:25
      HTTP/1.1 200 OK
      ***
      {"images": []}

    -Expected result:
        image whose id is "ca15b4d7-6c8b-4d7e-a4bd-a6186373e4d9" is filter out.
        this image should'nt be filtered out from the viewpoint of its name
         which includes "since".

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